| Year |
Citation |
Score |
| 2010 |
Viersen FJ, Challa G, Reedijk J. Mechanistic studies of the oxidative-coupling polymerization of 2,6-dimethylphenol. Part II. Specificity of the reaction and formation of diphenoquinone†‡ Recueil Des Travaux Chimiques Des Pays-Bas. 109: 97-102. DOI: 10.1002/Recl.19901090213 |
0.44 |
|
| 2010 |
Viersen FJ, Challa G, Reedijk J. Mechanistic studies of the oxidative‐coupling polymerization of 2,6‐dimethylphenol. Part V: Effect of different copper counter‐ions on the structure of the copper complex, its catalytic activity and specificity for polymer formation Recueil Des Travaux Chimiques Des Pays-Bas. 108: 247-255. DOI: 10.1002/Recl.19891080702 |
0.443 |
|
| 2007 |
Gupta S, van Dijk JAPP, Gamez P, Challa G, Reedijk J. Mechanistic studies for the polymerization of 2,6-dimethylphenol to poly(2,6-dimethyl-1,4-phenylene ether): LC-MS analyses showing rearrangement and redistribution products Applied Catalysis a: General. 319: 163-170. DOI: 10.1016/J.Apcata.2006.11.030 |
0.305 |
|
| 2001 |
Gamez P, Simons C, Aromí G, Driessen WL, Challa G, Reedijk J. Small heterocyclic ligands improve the copper-catalyzed oxidative coupling of 2,6-dimethylphenol to poly(2,6-dimethyl-1,4-phenylene ether) Applied Catalysis a: General. 214: 187-192. DOI: 10.1016/S0926-860X(01)00484-7 |
0.332 |
|
| 1999 |
Baesjou PJ, Driessen WL, Challa G, Reedijk J. The Course of the Copper-Catalyzed Oxidative Polymerization of 2,6-Dimethylphenol. Analysis of Oligomeric Phenols during the Coupling Reaction Macromolecules. 32: 270-276. DOI: 10.1021/Ma9813744 |
0.403 |
|
| 1999 |
Baesjou PJ, Driessen WL, Challa G, Reedijk J. Kinetics and selectivity of the copper-catalysed oxidative coupling of 4-(2',6'-dimethylphenoxy)-2,6-dimethylphenol Journal of Molecular Catalysis a: Chemical. 140: 241-253. DOI: 10.1016/S1381-1169(98)00240-4 |
0.42 |
|
| 1998 |
Baesjou PJ, Driessen WL, Challa G, Reedijk J. A kinetic study of the copper-catalysed oxidative coupling of 2,6-dimethylphenol. The role of copper, base and phenol concentrations Journal of Molecular Catalysis a: Chemical. 135: 273-283. DOI: 10.1016/S1381-1169(98)00007-7 |
0.394 |
|
| 1997 |
Baesjou PJ, Driessen WL, Challa G, Reedijk J. Ab initio calculations on 2,6-dimethylphenol and 4-(2,6- dimethylphenoxy)-2,6-dimethylphenol. Evidence of an important role for the phenoxonium cation in the copper-catalyzed oxidative phenol coupling reaction Journal of the American Chemical Society. 119: 12590-12594. DOI: 10.1021/Ja971612V |
0.303 |
|
| 1996 |
Haitjema HJ, Buruma R, Alberda Van Ekenstein GOR, Tan YY, Challa G. New photoresponsive (meth)acrylate (co)polymers containing azobenzene pendant sidegroups with carboxylic and dimethylamino substituents - II. Synthesis and characterization of polymers and copolymers European Polymer Journal. 32: 1447-1455. DOI: 10.1016/S0014-3057(97)80004-3 |
0.45 |
|
| 1996 |
Baesjou PJ, Driessen WL, Challa G, Reedijk J. A kinetic and spectroscopic study on the copper catalyzed oxidative coupling polymerization of 2,6-dimethylphenol. X-ray structure of the catalyst precursor tetrakis(N-methylimidazole)bis(nitrato)copper(II) Journal of Molecular Catalysis a: Chemical. 110: 195-210. DOI: 10.1016/1381-1169(96)00065-9 |
0.45 |
|
| 1996 |
Challa G, Reedijk J, Leeuwen PWNMv. Macromolecular metal complexes as catalysts with improved stability Polymers For Advanced Technologies. 7: 625-633. DOI: 10.1002/(Sici)1099-1581(199608)7:8<625::Aid-Pat554>3.0.Co;2-B |
0.479 |
|
| 1995 |
Haitjema HJ, Tan YY, Challa G. Thermal isomerization of azobenzene-based acrylic monomers and (co)polymers with dimethylamino substituents in solution. Influence of addition of (poly)acid, copolymer composition, spacer length, and solvent type Macromolecules. 28: 2867-2873. DOI: 10.1021/Ma00112A036 |
0.425 |
|
| 1995 |
Deuring H, Van Ekenstein GORA, Challa G, Mason JP, Hogen-Esch TE. Stereocomplex formation in blends of block copolymers of syndiotactic poly(methyl methacrylate) (PMMA)-poly(dimethylsiloxane) (PDMS) and isotactic PMMA. Differential Scanning Calorimetry (DSC) and Dynamic Mechanical Thermal Analysis (DMTA) Macromolecules. 28: 1952-1958. DOI: 10.1021/Ma00110A032 |
0.387 |
|
| 1995 |
Viersen FJ, Wilson JC, Challa G, Reedijk J. One‐step multi‐electron transfer mechanism of polynuclear copper complexes for molecular conversions Polymers For Advanced Technologies. 6: 144-154. DOI: 10.1002/Pat.1995.220060308 |
0.42 |
|
| 1994 |
Kurimura Y, Abe T, Usui Y, Tsuchida E, Nishide H, Challa G. Characteristic behaviour of the complexation of copper(II) with polymer-bound vinylimidazole ligands Journal of the Chemical Society, Faraday Transactions. 90: 3563-3566. DOI: 10.1039/Ft9949003563 |
0.319 |
|
| 1994 |
Haitjema HJ, Von Morgen GL, Tan YY, Challa G. Photoresponsive behavior of azobenzene-based (meth)acrylic (co)polymers in thin films Macromolecules. 27: 6201-6206. DOI: 10.1021/Ma00099A040 |
0.378 |
|
| 1994 |
Kimkes P, de Jong A, Oostergetel GT, Schouten AJ, Challa G. Monolayers and Langmuir-Blodgett multilayer films of a conjugated azo polymer Thin Solid Films. 244: 705-709. DOI: 10.1016/0040-6090(94)90554-1 |
0.616 |
|
| 1994 |
Vanleeuwen P, Jongsma T, Challa G. Polymer-bound bulky-phosphite modified rhodium hydroformylation catalysts Macromolecular Symposia. 80: 241-256. DOI: 10.1002/Masy.19940800117 |
0.455 |
|
| 1993 |
Jongsma T, van Aert H, Fossen M, Challa G, van Leeuwen PWNM. Stable silica-grafted polymer-bound bulky-phosphite modified rhodium hydroformylation catalysts Journal of Molecular Catalysis. 83: 37-50. DOI: 10.1016/0304-5102(93)87005-S |
0.454 |
|
| 1993 |
Jongsma T, Fossen M, Challa G, van Leeuwen PWNM. Fine tuning of bulky-phosphite modified rhodium catalysts by binding them to copolymers Journal of Molecular Catalysis. 83: 17-35. DOI: 10.1016/0304-5102(93)87004-R |
0.429 |
|
| 1993 |
Challa G. Polymer chain effects in polymeric catalysis Journal of Molecular Catalysis. 21: 1-16. DOI: 10.1016/0304-5102(93)80107-6 |
0.405 |
|
| 1992 |
Schoo HFM, Challa G. Flavin-containing polyanions: Synthesis, activity, and immobilization in polyelectrolyte complexes Macromolecules. 25: 1633-1638. DOI: 10.1021/Ma00032A002 |
0.412 |
|
| 1992 |
Van De Grampel HT, Tuin G, Tan YY, Challa G. Template polymerization of N-vinylimidazole along poly(methacrylic acid) in water. 5. Influence of template tacticity Macromolecules. 25: 1049-1056. DOI: 10.1021/Ma00029A006 |
0.411 |
|
| 1992 |
Van De Grampel HT, Tan YY, Challa G. Template polymerization of N-vinylimidazole along poly(methacrylic acid) in water. 4. Complex formation between PVIm and PMAA Macromolecules. 25: 1041-1048. DOI: 10.1021/Ma00029A005 |
0.407 |
|
| 1992 |
Schoo HFM, Challa G, Rowatt B, Sherrington DC. Immobilization of flavin on highly porous polymeric disks: Three routes to a catalytically active membrane Reactive Polymers. 16: 125-136. DOI: 10.1016/0923-1137(92)90020-3 |
0.39 |
|
| 1992 |
Boven G, Brinkhuis RHG, Vorenkamp EJ, Challa G, Schouten AJ. Interdiffusion of free and grafted poly(methylmethacrylate) with polyvinylchloride, studied by infrared spectroscopy Polymer. 33: 1150-1155. DOI: 10.1016/0032-3861(92)90758-O |
0.603 |
|
| 1992 |
Jongsma T, Kimkes P, Challa G, van Leeuwen PWNM. A new type of highly active polymer-bound rhodium hydroformylation catalyst Polymer. 33: 161-165. DOI: 10.1016/0032-3861(92)90577-J |
0.465 |
|
| 1992 |
Boven G, Folkersma R, Challa G, Schouten AJ, Bosma M. Polymer-filler interactions in poly(vinyl chloride) filled with glass beads: effect of grafted poly(methyl methacrylate) Polymer. 33: 83-88. DOI: 10.1016/0032-3861(92)90563-C |
0.607 |
|
| 1992 |
Viersen FJ, Renkema J, Challa G, Reedijk J. Mechanistic studies of the oxidative coupling polymerization of phenols. VI. Comparison of reactivities of DMP, PPO-dimer, and -trimer in the copper-catalyzed oxidative coupling polymerization Journal of Polymer Science, Part a: Polymer Chemistry. 30: 901-911. DOI: 10.1002/Pola.1992.080300522 |
0.45 |
|
| 1992 |
Van De Grampel HT, Santing AGM, Tan YY, Challa G. Template polymerization of N-vinylimidazole along poly(methacrylic acid) in water. VI. Crosslinked PMAA as template Journal of Polymer Science, Part a: Polymer Chemistry. 30: 787-796. DOI: 10.1002/Pola.1992.080300508 |
0.388 |
|
| 1991 |
Chen W, Boven G, Challa G. Studies on immobilized polymer-bound imidazole-copper(II) complexes as catalysts. 3. Immobilization of copper(II) complexes of poly(styrene-co-N-vinylimidazole) by grafting on silica and their catalysis of oxidative coupling of 2,6-disubstituted phenols Macromolecules. 24: 3982-3987. DOI: 10.1021/Ma00014A002 |
0.446 |
|
| 1991 |
Van De Grampel HT, Tan YY, Challa G. Template polymerization of N-vinylimidazole along poly(methacrylic acid) in water. 3. Molecular weights of the formed polymers Macromolecules. 24: 3773-3778. DOI: 10.1021/Ma00013A006 |
0.403 |
|
| 1991 |
Van De Grampel HT, Tan YY, Challa G. Template polymerization of N-vinylimidazole along poly(methacrylic acid) in water. 2. Kinetics of the template polymerization Macromolecules. 24: 3767-3772. DOI: 10.1021/Ma00013A005 |
0.422 |
|
| 1991 |
Chen W, Challa G. Studies on immobilized polymer-bound imidazole copper(II) complexes as catalysts. Part II. immobilization of copper(II) complexes of poly(styrene-co-n-vinylimidazole) by quaternization or adsorption on silica and their catalyses of oxidative coupling of 2,6-disubstituted phenols Reactive Polymers. 14: 63-73. DOI: 10.1016/0923-1137(91)90248-M |
0.501 |
|
| 1991 |
Broer DJ, Mol GN, Challa G. Temperature effects on the kinetics of photoinitiated polymerization of dimethacrylates Polymer. 32: 690-695. DOI: 10.1016/0032-3861(91)90482-X |
0.303 |
|
| 1991 |
Jongsma T, Challa G, van Leeuwen PWNM. A mechanistic study of rhodium tri(o-t-butylphenyl)phosphite complexes as hydroformylation catalysts Journal of Organometallic Chemistry. 421: 121-128. DOI: 10.1016/0022-328X(91)86436-T |
0.382 |
|
| 1991 |
Chen W, Challa G. Immobilization of copper(II) complexes of poly(styrene-co-N-vinyl-imidazole) as catalysts and a possible mechanism of oxidative coupling of 2,6-dimethylphenol American Chemical Society, Polymer Preprints, Division of Polymer Chemistry. 32: 361-362. |
0.333 |
|
| 1990 |
Boven G, Oosterling MLCM, Challa G, Jan Schouten A. Grafting kinetics of poly(methyl methacrylate) on microparticulate silica Polymer. 31: 2377-2383. DOI: 10.1016/0032-3861(90)90327-U |
0.36 |
|
| 1990 |
Viersen FJ, Challa G, Reedijk J. Mechanistic studies of the oxidative coupling polymerization of 2,6-dimethylphenol: 4. Mechanism of polymer formation catalysed by a copper(II)-tmed complex Polymer. 31: 1368-1373. DOI: 10.1016/0032-3861(90)90232-N |
0.373 |
|
| 1990 |
Viersen FJ, Challa G, Reedijk J. Mechanistic studies of the oxidative coupling polymerization of 2,6-dimethylphenol: 1. Kinetics of polymerization catalysed by a copper(II)-tmed complex Polymer. 31: 1361-1367. DOI: 10.1016/0032-3861(90)90231-M |
0.473 |
|
| 1990 |
Schoo HFM, Challa G. Catalysis by flavin-containing polycations, immobilized in polyelectrolyte complexes with poly(methacrylic acid) Polymer. 31: 1559-1563. DOI: 10.1016/0032-3861(90)90165-U |
0.409 |
|
| 1990 |
Chen W, Challa G. Studies on immobilized polymer-bound imidazole-copper(ii) complexes as catalysts: 1. Oxidative coupling polymerization of 2,6-dimethylphenol catalysed by copper(ii) complexes of poly(styrene-co-N-vinylimidazole) Polymer. 31: 2171-2177. DOI: 10.1016/0032-3861(90)90092-D |
0.467 |
|
| 1990 |
Chen W, Challa G. Oxidative coupling polymerization of 2,6-dimethylphenol catalysed by copper(II) complexes of n-methylimidazole European Polymer Journal. 26: 1211-1216. DOI: 10.1016/0014-3057(90)90030-8 |
0.447 |
|
| 1989 |
Schomaker E, Challa G. Complexation of stereoregular poly(methyl methacrylates). 14. The basic structure of the stereocomplex of isotactic and syndiotactic poly(methyl methacrylate) Macromolecules. 22: 3337-3341. DOI: 10.1021/Ma00198A025 |
0.305 |
|
| 1989 |
van den Berg HJ, Challa G, Pandit UK. Polymer-bound thiamine models. V. On the stability of a macroporous polystyrene-bound thiazolium salt in the (semi)-continuous production of benzoin Reactive Polymers. 11: 127-134. DOI: 10.1016/0923-1137(89)90094-8 |
0.38 |
|
| 1989 |
Faber MC, van den Berg HJ, Challa G, Pandit UK. Polymer-bound thiamine models. IV. A simple synthetic route to immobilize a thiazolium salt to macroreticular polystyrene resins via a dimethylene spacer Reactive Polymers. 11: 117-126. DOI: 10.1016/0923-1137(89)90093-6 |
0.438 |
|
| 1989 |
van den Berg HJ, Challa G, Pandit UK. Polymer-bound thiamine models. III. Influence of site isolation on the catalytic activity of polystyrene-bound thiazolium salts Reactive Polymers. 11: 101-116. DOI: 10.1016/0923-1137(89)90092-4 |
0.448 |
|
| 1989 |
Challa G, van den Berg HJ, Schoo HFM, Blokzijl W, Pandit UK. Catalysis by polymer-bound coenzyme models Reactive Polymers. 10: 219-230. DOI: 10.1016/0923-1137(89)90029-8 |
0.386 |
|
| 1989 |
Van Den Berg HJ, Challa G, Pandit UK. Polymer-bound thiamine models. Part II. Polymer effects on the catalytic activity of a macroreticular polystyrene-bound thiazolium salt in the benzoin condensation reaction Journal of Molecular Catalysis. 51: 13-27. DOI: 10.1016/0304-5102(89)87004-X |
0.468 |
|
| 1989 |
Van Den Berg HJ, Challa G, Pandit UK. Polymer-bound thiamine models. Part I. The kinetics of thiazolium salt catalyzed benzoin formation Journal of Molecular Catalysis. 51: 1-12. DOI: 10.1016/0304-5102(89)87003-8 |
0.403 |
|
| 1989 |
Viersen FJ, Challa G, Reedijk J. Mechanistic Studies Of The Oxidative-Coupling Polymerization Of 2,6-Dimethylphenol .3. Spectroscopic Study Of Copper(Ii)-N,N,N',N'-Tetramethylethylenediamine (Tmed) Complexes Under Catalytic Conditions Recueil Des Travaux Chimiques Des Pays-Bas. 108: 167-171. DOI: 10.1002/Recl.19891080502 |
0.327 |
|
| 1988 |
Schomaker E, Challa G. Complexation of stereoregular poly(methyl methacrylates). 13. Influence of chain length on the process of complexation in dilute solution Macromolecules. 21: 3506-3510. DOI: 10.1021/Ma00190A028 |
0.372 |
|
| 1988 |
Schomaker E, Hoppen H, Challa G. Complexation of stereoregular poly(methyl methacrylates). 12. Complexation process in dilute solution Macromolecules. 21: 2203-2209. DOI: 10.1021/Ma00185A054 |
0.374 |
|
| 1988 |
Schomaker E, Challa G. Complexation of stereoregular poly(methyl methacrylates). 11. A mechanistic model for stereocomplexation in the bulk Macromolecules. 21: 2195-2203. DOI: 10.1021/Ma00185A053 |
0.37 |
|
| 1988 |
Koning CE, Viersen FJ, Challa G, Reedijk J. A mechanistic study on the oxidation of 2,6-dimethyl-phenol by DMAP1 1 4-(N,N-dimethylamino)pyridine.- and polystyrene-bound DMAP2 2 Poly[styrene-co-4(N-methyl-N-p-vinylbenzylamino)pyridine]-based copper catalysts Journal of Molecular Catalysis. 44: 245-257. DOI: 10.1016/0304-5102(88)80035-X |
0.463 |
|
| 1988 |
Koning CE, Jongsma T, Brinkhuis R, Challa G. Copper(II) complexes of "polystyrene-bound DMAP": Effect of chain loading on the catalytic activity in the oxidative coupling of 2,6-dimethylphenol Reactive Polymers, Ion Exchangers, Sorbents. 8: 255-266. DOI: 10.1016/0167-6989(88)90301-7 |
0.422 |
|
| 1988 |
Bosma M, Vorenkamp EJ, ten Brinke G, Challa G. Influence of the degree of hydrolysis of poly(styrene-alt-maleic anhydride) on miscibility with poly(vinyl acetate) Polymer. 29: 1694-1698. DOI: 10.1016/0032-3861(88)90285-6 |
0.358 |
|
| 1988 |
Vorenkamp EJ, Challa G. Influence of chlorination of poly(vinyl chloride) on miscibility with poly(methyl methacrylate) Polymer. 29: 86-92. DOI: 10.1016/0032-3861(88)90204-2 |
0.353 |
|
| 1987 |
Koning CE, Brinkhuis R, Wevers R, Challa G. Catalytic activity of copper(II)complexes of immobilized 'polystyrene-bound 4-(N,N-dimethylamino)pyridine' for the oxidative coupling of 2,6-disubstituted phenols Polymer. 28: 2310-2316. DOI: 10.1016/0032-3861(87)90392-2 |
0.422 |
|
| 1987 |
Tan YY, Challa G. Template Polymerization By Free-Radical Mechanisms Macromolecular Symposia. 10: 215-233. DOI: 10.1002/Masy.19870100112 |
0.409 |
|
| 1986 |
Schomaker E, Challa G. Complexation of stereoregular poly(methyl methacrylates). 10. Influence of polydispersity in matrix-oligomer systems Macromolecules. 19: 2841-2846. DOI: 10.1021/Ma00165A029 |
0.318 |
|
| 1986 |
Koning CE, Challa G, Hulsbergen FB, Reedijk J. Structure of copper 4-(n,n- dimethylamino)pyridine complexes and their catalytic activity in the oxidative coupling of 2,6-dimethylphenol Journal of Molecular Catalysis. 34: 355-379. DOI: 10.1016/0304-5102(86)87014-6 |
0.413 |
|
| 1986 |
Koning CE, Eshuis JJW, Viersen FJ, Challa G. Copper(II) complexes of "polystyrene-bound DMAP": Synthesis, structure and catalytic activity in the oxidative coupling of 2,6-dimethylphenol Reactive Polymers, Ion Exchangers, Sorbents. 4: 293-309. DOI: 10.1016/0167-6989(86)90030-9 |
0.482 |
|
| 1986 |
Schomaker E, Vorenkamp EJ, Challa G. Stereocomplexation of stereoregular poly(methyl methacrylate)s: 9. Temperature and time dependence of the process of complexation Polymer. 27: 256-260. DOI: 10.1016/0032-3861(86)90336-8 |
0.364 |
|
| 1985 |
Schomaker E, Ten Brinke G, Challa G. Complexation of stereoregular poly(methyl methacrylates). 8. Calorimetric investigations Macromolecules. 18: 1930-1937. DOI: 10.1021/Ma00152A022 |
0.435 |
|
| 1985 |
Ten Brinke G, Schomaker E, Challa G. Complexation of stereoregular poly(methyl methacrylates). 7. Theoretical aspects Macromolecules. 18: 1925-1930. DOI: 10.1021/Ma00152A021 |
0.369 |
|
| 1985 |
Koning CE, Hiemstera BL, Challa G, Van De Velde M, Goethals EJ. Investigation and immobilization of the copper complex of poly [N-(2-Ethoxycarbonylethyl)iminotrimethylene] as a catalyst for the oxidative couplin Journal of Molecular Catalysis. 32: 309-324. DOI: 10.1016/0304-5102(85)85083-5 |
0.4 |
|
| 1985 |
Bootsma JPC, Challa G, Müller F. Polymer-bound flavin. Part 6.1 1 Part 5: Polymer, 26 (1984) 951. On the performance of some polystyrene resins with pendant flavin groups as redox-catalysts in water/2-propanol mixtures Journal of Molecular Catalysis. 33: 327-339. DOI: 10.1016/0304-5102(85)85005-7 |
0.444 |
|
| 1985 |
Vorenkamp EJ, ten Brinke G, Meijer JG, Jager H, Challa G. Influence of the tacticity of poly(methyl methacrylate) on the miscibility with poly(vinyl chloride) Polymer. 26: 1725-1732. DOI: 10.1016/0032-3861(85)90293-9 |
0.36 |
|
| 1985 |
Bootsma JPC, Challa G, Visser AJWG, Müller F. Polymer-bound flavins: 5. Characterization by static and time-resolved fluorescence techniques Polymer. 26: 951-958. DOI: 10.1016/0032-3861(85)90144-2 |
0.374 |
|
| 1985 |
Smid J, Tan YY, Challa G, Hagen WR. Poly(2-vinylpyridine) as a template for the radical polymerization of methacrylic acid-VI. Influence of the solvent European Polymer Journal. 21: 757-763. DOI: 10.1016/0014-3057(85)90148-X |
0.408 |
|
| 1985 |
Smid J, Alberda van Ekenstein GOR, Tan YY, Challa G. Effect of poly(2-vinylpyridine) as a template for the radical polymerization of methacrylic acid-V. Influence of temperature European Polymer Journal. 21: 573-577. DOI: 10.1016/0014-3057(85)90085-0 |
0.342 |
|
| 1985 |
Smid J, Speelman JC, Tan YY, Challa G. Effect of poly(2-vinylpyridine) as a template for the radical polymerization of methacrylic acid-IV. Influence of tacticity of the template European Polymer Journal. 21: 141-145. DOI: 10.1016/0014-3057(85)90044-8 |
0.401 |
|
| 1985 |
Eling B, Challa G, Pandit UK. REGENERABLE IMMOBILIZED NADH; MODEL IV: REDUCTION OF PYRIDINE-2-CARBALDEHYDE BY IMMOBILIZED 1,4-DIHYDRONICOTINAMIDE IN THE PRESENCE OF Mg**2** plus IONS Journal of Polymer Science. Part a-1, Polymer Chemistry. 23: 2165-2175. DOI: 10.1002/Pol.1985.170230808 |
0.415 |
|
| 1984 |
Verlaan JPJ, Alferink PJT, Challa G. Copper complexes of polymer-bound 4-aminopyridine as redox catalysts for the oxidative coupling of 2,6-dimethylphenol Journal of Molecular Catalysis. 24: 235-243. DOI: 10.1016/0304-5102(84)85137-8 |
0.44 |
|
| 1984 |
Bootsma JPC, Eling B, Challa G. On the reaction of pendent vinyl groups during chloromethylation of styrene-divinylbenzene copolymers Reactive Polymers, Ion Exchangers, Sorbents. 3: 17-22. DOI: 10.1016/0167-6989(84)90118-1 |
0.34 |
|
| 1984 |
Bootsma JPC, Wolsink HW, Challa G, Müller F. Polymer-bound flavins: 2. Immobilization of linear flavin-containing polyelectrolytes by adsorption onto silica Polymer. 25: 1327-1332. DOI: 10.1016/0032-3861(84)90385-9 |
0.383 |
|
| 1984 |
Smid J, Tan YY, Challa G. Effects of poly(2-vinylpyridine) as a template for the radical polymerization of methacrylic acid-II. Influence of initiator concentration European Polymer Journal. 20: 887-891. DOI: 10.1016/0014-3057(84)90169-1 |
0.401 |
|
| 1984 |
Smid J, Tan YY, Challa G. Effects of poly(2-vinylpyridine) as a template for the radical polymerization of methacrylic acid-III. Influence of monomer concentration European Polymer Journal. 20: 1095-1099. DOI: 10.1016/0014-3057(84)90135-6 |
0.357 |
|
| 1984 |
Bootsma JPC, Challa G. Macromolecular Effects In Polymer-Supported Catalysis Recueil Des Travaux Chimiques Des Pays-Bas. 103: 177-187. DOI: 10.1002/Recl.19841030601 |
0.397 |
|
| 1984 |
Bootsma JPC, Rupert LAM, Challa G, Müller F. Polymer-bound flavins. 3. Effects of coil dimension and substrate structure on reaction kinetics in water 2-propanol mixtures Journal of Polymer Science Part A. 22: 2169-2180. DOI: 10.1002/Pol.1984.170220918 |
0.394 |
|
| 1984 |
Eling B, Challa G, Pandit UK. A regenerable immobilized NADH model. II. Reduction of α,α,α-trifluoroacetophenone by immobilized 1,4-dihydronicotinamide in aprotic solvent Journal of Polymer Science: Polymer Chemistry Edition. 22: 1945-1962. DOI: 10.1002/Pol.1984.170220901 |
0.314 |
|
| 1984 |
Bootsma JPC, Challa G, Müller F. Polymer-Bound Flavins .1. Influence Of Polarity Of The Polymer-Chain On Properties Of Bound Flavin Journal of Polymer Science Part A. 22: 705-719. DOI: 10.1002/Pol.1984.170220319 |
0.354 |
|
| 1984 |
BOOTSMA JPC, CHALLA G. ChemInform Abstract: MACROMOLECULAR EFFECTS IN POLYMER-SUPPORTED CATALYSIS Chemischer Informationsdienst. 15. DOI: 10.1002/Chin.198440371 |
0.405 |
|
| 1983 |
Verlaan JPJ, Koning CE, Challa G. The influence of chain and surface polarity on the activity of anchored macromolecular copper catalysts for the oxidative coupling of 2,6-di-t-butylphenol Journal of Molecular Catalysis. 20: 203-210. DOI: 10.1016/0304-5102(83)83010-7 |
0.43 |
|
| 1983 |
Verlaan JPJ, Bootsma JPC, Koning CE, Challa G. Anchored macromolecular copper catalysts for oxidative coupling Journal of Molecular Catalysis. 18: 159-167. DOI: 10.1016/0304-5102(83)80115-1 |
0.401 |
|
| 1983 |
Flinterman M, Challa G, Barbucci R, Ferruti P. Oxidative coupling catalyzed by copper complexes of poly(amido-amines) Journal of Molecular Catalysis. 18: 149-157. DOI: 10.1016/0304-5102(83)80114-X |
0.468 |
|
| 1983 |
Verlaan JPJ, Zwiers R, Challa G. Macromolecular imidazole copper complexes as catalysts for the oxidative coupling of phenols Journal of Molecular Catalysis. 19: 223-232. DOI: 10.1016/0304-5102(83)80100-X |
0.475 |
|
| 1983 |
Smid J, Tan YY, Challa G. Effects of poly(2-vinylpyridine) as a template on the radical polymerization of methacrylic acid-I. Influence of atactic poly(2-vinylpyridine) concentration European Polymer Journal. 19: 853-858. DOI: 10.1016/0014-3057(83)90037-X |
0.393 |
|
| 1983 |
Eling B, Challa G, Pandit UK. A regenerable immobilized NADH model. Reduction of α,α,α‐trifluoroacetophenone by 1, 4‐dihydronicotinamide anchored to macroreticular polystyrene Journal of Polymer Science Part A. 21: 1125-1137. DOI: 10.1002/Pol.1983.170210419 |
0.411 |
|
| 1982 |
Verlaan JPJ, Bootsma JPC, Challa G. Immobilization of a homogeneous macromolecular copper catalyst for the oxidative coupling of phenols Journal of Molecular Catalysis. 14: 211-218. DOI: 10.1016/0304-5102(82)80038-2 |
0.454 |
|
| 1982 |
Eshuis A, Roerdink E, Challa G. Multiple melting in blends of poly(vinylidene fluoride) with isotactic poly(ethyl methacrylate) Polymer. 23: 735-739. DOI: 10.1016/0032-3861(82)90060-X |
0.312 |
|
| 1982 |
Challa G, Vorenkamp EJ, Tan YY. COMPLEX FORMATION BETWEEN COMPLEMENTARY STEREOREGULAR POLYMERS American Chemical Society, Polymer Preprints, Division of Polymer Chemistry. 23: 31-32. |
0.321 |
|
| 1981 |
Koetsier DW, Challa G, Tan YY. Formation of polyvinylpyrrolidone-syndiotactic poly(methacrylic acid) complexes in dimethylformamide Polymer. 22: 1709-1715. DOI: 10.1016/0032-3861(81)90391-8 |
0.427 |
|
| 1981 |
Vorenkamp EJ, Challa G. Association of stereoregular poly(methylmethacrylates): 5. Stereo-complex formation in dilute solutions Polymer. 22: 1705-1708. DOI: 10.1016/0032-3861(81)90390-6 |
0.305 |
|
| 1981 |
Bosscher F, Keekstra D, Challa G. The influence of ester groups on the stereocomplex formation between different polyalkylmethacrylates Polymer. 22: 124-126. DOI: 10.1016/0032-3861(81)90086-0 |
0.372 |
|
| 1980 |
Schouten AJ, Challa G, Reedijk J. Oxidative coupling of phenols catalyzed by copper chloride coordinated to aminated polystyrene: a possible model reaction for dioxygen reduction by laccase and tyrosinase Journal of Molecular Catalysis. 9: 41-50. DOI: 10.1016/0304-5102(80)85032-2 |
0.644 |
|
| 1980 |
Breemhaar W, Meinders HC, Challa G. INFLUENCE OF THE POLYMER CHAIN ON THE CATALYTIC BEHAVIOUR OF A POLYMERIC CATALYST - 2. REACTIVITY AND SPECIFICITY OF COPPER COMPLEXES WITH STYRENE/N-VINYLIMIDAZOLE COPOLYMERS Journal of Molecular Catalysis. 10: 33-42. DOI: 10.1016/0304-5102(80)80047-2 |
0.388 |
|
| 1980 |
Meinders HC, Challa G. The influence of the polymer chain on the catalytic behaviour of a polymeric catalyst. Reactivity and specificity of copper complexes with styrene/4-vinylpyridine copolymers Journal of Molecular Catalysis. 7: 321-335. DOI: 10.1016/0304-5102(80)80047-2 |
0.532 |
|
| 1980 |
Roerdink E, Challa G. Computerized infra-red study of the interaction of poly(vinylidene fluoride) with stereoregular poly(methyl methacrylate) Polymer. 21: 509-513. DOI: 10.1016/0032-3861(80)90216-5 |
0.363 |
|
| 1980 |
Koetsier DW, Tan YY, Challa G. RADICAL POLYMERIZATION OF N-VINYLPYRROLIDONE IN THE PRESENCE OF SYNDIOTACTIC POLY(METHACRYLIC ACID) TEMPLATES Journal of Polymer Science. Part a-1, Polymer Chemistry. 18: 1933-1943. DOI: 10.1002/Pol.1980.170180629 |
0.313 |
|
| 1980 |
Challa G, Schouten AJ, Brinke GT, Meinders HC. AMINATED POLYSTYRENE-COPPER COMPLEXES AS OXIDATION CATALYSTS: THE EFFECT OF THE DEGREE OF SUBSTITUTION ON CATALYTIC ACTIVITY Acs Symposium Series. 7-24. |
0.604 |
|
| 1979 |
Meinders HC, Van Bolhuis F, Challa G. The role of μ-hydroxo-ligands in the catalytic properties of binuclear copper-tertiary amine complexes Journal of Molecular Catalysis. 5: 225-233. DOI: 10.1016/0304-5102(79)80058-9 |
0.443 |
|
| 1979 |
Schouten AJ, Noordegraaf D, Jekel AP, Challa G. The oxidative coupling of phenols catalyzed by soluble copper-polymer complexes. The active role of the polymer chain during activation of the substrate-catalyst complexes Journal of Molecular Catalysis. 5: 331-340. DOI: 10.1016/0304-5102(79)80009-7 |
0.695 |
|
| 1979 |
Vorenkamp EJ, Bosscher F, Challa G. Association of stereoregular poly(methyl methacrylates): 4. Further study on the composition of the stereocomplex Polymer. 20: 59-64. DOI: 10.1016/0032-3861(79)90043-0 |
0.327 |
|
| 1979 |
Schouten AI, Wiedijk D, Borkent J, Challa G. Die oxidative Kopplung von 2,6-Xylenol mit polymeren Komplexen von Cu. 2. Mitt. Physikochemische Untersuchung an den Cu(II)-Komplexen mit partiell dimethylaminomethyliertem Polystyrol Colloid and Polymer Science. 257: 222-223. DOI: 10.1007/Bf01638173 |
0.315 |
|
| 1978 |
Lohmeyer JHGM, Tan YY, Lako P, Challa G. Stereoselective association between isotactic poly(methylmethacrylate) and syndiotactic poly(methacrylic acid) Polymer. 19: 1171-1175. DOI: 10.1016/0032-3861(78)90066-6 |
0.381 |
|
| 1978 |
Roerdink E, Challa G. Influence of tacticity of poly(methyl methacrylate) on the compatibility with poly(vinylidene fluoride) Polymer. 19: 173-178. DOI: 10.1016/0032-3861(75)90054-3 |
0.307 |
|
| 1978 |
Schouten AJ, Prak N, Challa G. Die oxydative Kopplung von 2,6-Xylenol durch polymere Cu-Komplexe. 1. Mitt. Kinetische Untersuchung der Katalyse de Cu(II)-Komplexes von partiell aminiertem Polystyrol Colloid and Polymer Science. 256: 713-714. DOI: 10.1007/Bf01784496 |
0.581 |
|
| 1978 |
Gons J, Straatman LJP, Challa G. Radical polymerization of methyl methacrylate in the presence of isotactic poly(methyl methacrylate). VIII. Influence of template concentration Journal of Polymer Science Part A. 16: 427-434. DOI: 10.1002/Pol.1978.170160213 |
0.424 |
|
| 1977 |
Challa G, Meinders HC. Copper-polymer complexes as catalysts for oxidative coupling reactions Journal of Molecular Catalysis. 3: 185-190. DOI: 10.1016/0304-5102(77)80043-6 |
0.469 |
|
| 1977 |
Gons J, Vorenkamp EJ, Challa G. RADICAL POLYMERIZATION OF METHYL METHACRYLATE IN THE PRESENCE OF ISOTACTIC POLY(METHYL METACRYLATE) - 7. DETERMINATION OF THE RATE CONSTANTS FOR TEMPLATE POLYMERIZATION J Polym Sci Polym Chem Ed. 15: 3031-3038. DOI: 10.1002/Pol.1977.170151217 |
0.455 |
|
| 1977 |
Gons J, Slagter WO, Challa G. RADICAL POLYMERIZATION OF METHYL METHACRYLATE IN THE PRESENCE OF STEREOREGULAR POLY(METHYL METHACRYLATE) - 6. KINETIC TEMPLATE EFFECTS AT HIGHER CONVERSION J Polym Sci Polym Chem Ed. 15: 771-779. DOI: 10.1002/Pol.1977.170150401 |
0.367 |
|
| 1977 |
Bartels T, Tann YY, Challa G. SOME ASPECTS ON THE POLYMERIZATION OF N-VINYLPYRROLIDONE IN THE PRESENCE OF POLY(METHACRYLIC ACID) TEMPLATES J Polym Sci Polym Chem Ed. 15: 341-351. DOI: 10.1002/Pol.1977.170150208 |
0.452 |
|
| 1977 |
Schouten AJ, Wiedijk D, Challa G, Borkent J. The Oxidative Coupling of 2,6-Xylenol Catalyzed by Polymeric Complexes of Copper, 2. Physicochemical Study on Copper(II) Complexes of Partially Dimethylaminomethylated Polystyrene Macromolecular Chemistry and Physics. 178: 1341-1349. DOI: 10.1002/Macp.1977.021780511 |
0.674 |
|
| 1977 |
Schouten AJ, Prak N, Challa G. The Oxidative Coupling of 2,6-Xylenol Catalyzed by Polymeric Complexes of Copper, 1. Kinetic Study of the Catalysis by Copper(II)-Complexes of Partially Aminated Polystyrene Macromolecular Chemistry and Physics. 178: 401-410. DOI: 10.1002/Macp.1977.021780212 |
0.674 |
|
| 1976 |
Challa G, Deboer A, Tan Y. Association Of Stereoregular Poly(Methyl Methacrylates) International Journal of Polymeric Materials. 4: 239-249. DOI: 10.1080/00914037608072381 |
0.354 |
|
| 1976 |
de Boer A, Challa G. Association of stereoregular poly(methyl methacrylates): 3. Thermal behaviour and composition of stereocomplex Polymer. 17: 633-637. DOI: 10.1016/0032-3861(76)90283-4 |
0.354 |
|
| 1975 |
de Boer A, van Ekenstein GORA, Challa G. Crystallization of isotactic poly(methyl methacrylate) from the melt Polymer. 16: 930-932. DOI: 10.1016/0032-3861(75)90216-5 |
0.314 |
|
| 1975 |
Feitsma EL, de Boer A, Challa G. Association of stereoregular poly(methyl methacrylates): 2. Formation of stereocomplex in bulk Polymer. 16: 515-519. DOI: 10.1016/0032-3861(75)90010-5 |
0.392 |
|
| 1975 |
Lemstra PJ, Challa G. Crystallization of isotactic polystyrene from dilute solutions Journal of Polymer Science: Polymer Physics Edition. 13: 1809-1817. DOI: 10.1002/Pol.1975.180130913 |
0.304 |
|
| 1975 |
Gons J, Vorenkamp EJ, Challa G. RADICAL POLYMERIZATION OF METHYL METHACRYLATE IN THE PRESENCE OF STEREOREGULAR POLY(METHYL METHACRYLATE) - 5. KINETICS OF INITIAL TEMPLATE POLYMERIZATION J Polym Sci Polym Chem Ed. 13: 1699-1709. DOI: 10.1002/Pol.1975.170130720 |
0.377 |
|
| 1974 |
Lemstra PJ, Postma J, Challa G. Molecular weight dependence of the spherulitic growth rate of isotactic polystyrene Polymer. 15: 757-759. DOI: 10.1016/0032-3861(74)90029-9 |
0.527 |
|
| 1974 |
Schouten AJ, Challa G. Bulk polymerization of methyl methacrylate in the presence of poly(methyl methacrylate). II. Effect of oxygen Journal of Polymer Science Part A. 12: 2145-2147. DOI: 10.1002/Pol.1974.170120934 |
0.351 |
|
| 1973 |
Buter R, Tan YY, Challa G. Radical polymerization of methyl methacrylate in the presence of stereoregular poly(methyl methacrylate). III. Influence of temperature Journal of Polymer Science Part A. 11: 1013-1024. DOI: 10.1002/Pol.1973.170110508 |
0.419 |
|
| 1973 |
Buter R, Tan YY, Challa G. RADICAL POLYMERIZATION OF METHYL METHACRYLATE IN THE PRESENCE OF STEREOREGULAR POLY(METHYL METHACRYLATE) - 2. SYNDIOTACTIC PMMA AS MATRIX J Polym Sci Part a-1 Polym Chem. 11: 1003-1011. DOI: 10.1002/Pol.1973.170110507 |
0.443 |
|
| 1973 |
Buter R, Tan YY, Challa G. STEREOSPECIFIC BULK POLYMERIZATION OF METHYL METHACRYLATE INITIATED BY ITS TACTIC POLYMERS J Polym Sci Part a-1 Polym Chem. 11: 989-1001. DOI: 10.1002/Pol.1973.170110506 |
0.463 |
|
| 1972 |
Lemstra PJ, Schouten AJ, Challa G. Suppression of recrystallization of isotactic polystyrene single crystals by chemical modification Journal of Polymer Science Part a-2: Polymer Physics. 10: 2301-2304. DOI: 10.1002/pol.1972.180101116 |
0.499 |
|
| 1972 |
Buter R, Tan YY, Challa G. Radical polymerization of methyl methacrylate in the presence of isotactic poly(methyl methacrylate) Journal of Polymer Science Part A. 10: 1031-1049. DOI: 10.1002/Pol.1972.150100408 |
0.34 |
|
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