Year |
Citation |
Score |
1996 |
Valenta Z, MaGee DI, Setiadji S. Direct alkylation of α-substituted aldehydes Journal of Organic Chemistry. 61: 9076-9077. DOI: 10.1021/Jo9614710 |
0.628 |
|
1991 |
Darvesh S, Grant AS, MaGee DI, Valenta Z. Synthetic studies towards bruceantin. Part 1. Establishment of the carbon network Canadian Journal of Chemistry. 69: 712-722. DOI: 10.1139/V91-902 |
0.647 |
|
1991 |
Darvesh S, Grant AS, MaGee DI, Valenta Z. Synthetic studies towards bruceantin. Part 2. The synthesis of a pentacyclic intermediate Canadian Journal of Chemistry. 69: 723-731. DOI: 10.1139/V91-107 |
0.683 |
|
1990 |
Woodward RB, Ayer WA, Beaton JM, Bickelhaupt F, Bonnett R, Buchschacher P, Closs GL, Dutler H, Hannah J, Hauck FP, It? S, Langemann A, Le Goff E, Leimgruber W, Lwowski W, ... ... Valenta Z, et al. The total synthesis of chlorophyll a Tetrahedron. 46: 7599-7659. DOI: 10.1016/0040-4020(90)80003-Z |
0.707 |
|
1990 |
Burns Woodward R, Ayer WA, Beaton JM, Bickelhaupt F, Bonnett R, Buchschacher P, Closs GL, Dutler H, Hannah J, Hauck FP, Ito S, Langemann A, Le Goff E, Leimgruber W, Lwowski W, ... ... Valenta Z, et al. The total synthesis of chlorophyll a Tetrahedron. 46: i-xiii+7599-7659). |
0.344 |
|
1989 |
Darvesh S, Grant AS, MaGee DI, Valenta Z. An approach to the synthesis of bruceantin. The synthesis of tetracyclic intermediate Canadian Journal of Chemistry. 67: 2237-2242. DOI: 10.1139/V89-348 |
0.689 |
|
1987 |
Northcott CJ, Valenta Z. A study of chiral induction in some diene additions catalyzed by chiral alkoxyaluminum dichlorides Canadian Journal of Chemistry. 65: 1917-1923. DOI: 10.1139/V87-320 |
0.327 |
|
1984 |
Das J, Dickinson RA, Kakushima M, Kingston GM, Reid GR, Sato Y, Valenta Z. Total synthesis of steroids. Part 2. Preparation of C-10 methylated steroids. Regio- and stereocontrol in a diene addition to methyl Z-2-methyl-4-oxo-2-pentenoate Canadian Journal of Chemistry. 62: 1103-1111. DOI: 10.1139/V84-182 |
0.376 |
|
1984 |
Das J, Valenta Z, Liu H, Ngooi TK. On the structure of the adduct from the aluminium chloride catalyzed Diels–Alder reaction of 2-methyl-2-cyclohexenone with isoprene Canadian Journal of Chemistry. 62: 481-483. DOI: 10.1139/V84-080 |
0.353 |
|
1984 |
Das J, Kakushima M, Valenta Z, Jankowski K, Luce R. On catalyzed additions of trans-piperylene to 2-cyclohexenones. A short route to potential precursors of eremophilane sesquiterpenoids Canadian Journal of Chemistry. 62: 411-416. DOI: 10.1139/V84-072 |
0.353 |
|
1984 |
Daniewski AR, Valenta Z, White PS. Total Synthesis of 14β-Hydroxy-4,9(11)-androstadiene-3,17-dione and Related Compounds. Cheminform. 15. DOI: 10.1002/Chin.198444310 |
0.344 |
|
1980 |
Kakushima M, Das J, Reid GR, White PS, Valenta Z. Total Synthesis Of Androstanes Cheminform. 11. DOI: 10.1002/Chin.198023312 |
0.456 |
|
1980 |
Kakushima M, Allain L, Dickinson RA, White PS, Valenta Z. TOTAL SYNTHESIS OF (.+-.)-5.BETA-,8α-ANDROST-9(11)-ENE-3,17-DIONE Cheminform. 11. DOI: 10.1002/Chin.198023311 |
0.304 |
|
1980 |
Das J, Kubela R, Macalpine GA, Stojanac Z, Valenta Z. Total Synthesis Of Steroids. Part 1. Ring A Aromatic Compounds. Regiocontrol Ol In Diene Additions With 6-Methoxy-1-Vinyl-3,4-Dihydronaphthalene Cheminform. 11. DOI: 10.1002/Chin.198022303 |
0.421 |
|
1979 |
Kakushima M, Das J, Reid GR, White PS, Valenta Z. Total synthesis of androstanes Canadian Journal of Chemistry. 57: 3356-3358. DOI: 10.1139/V79-549 |
0.421 |
|
1979 |
Kakushima M, Allain L, Dickinson RA, White PS, Valenta Z. Total synthesis of (±)-5β,8α- androst-9(11)-ene-3,17-dione Canadian Journal of Chemistry. 57: 3354-3356. DOI: 10.1139/V79-548 |
0.372 |
|
1979 |
Das J, Kubela R, MacAlpine GA, Stojanac Ž, Valenta Z. Total synthesis of steroids. Part 1. Ring A aromatic compounds. Regiocontrol in diene additions with 6-methoxy-1-vinyl-3,4-dihydronaphthalene Canadian Journal of Chemistry. 57: 3308-3319. DOI: 10.1139/V79-541 |
0.444 |
|
1979 |
Daniewski AR, White PS, Valenta Z. Total synthesis of 14β-hydroxy-4,9(11)- androstadiene-3,17-dione Canadian Journal of Chemistry. 57: 1397-1398. DOI: 10.1139/V79-227 |
0.423 |
|
1979 |
Stojanac N, Stojanac Z, White PS, Valenta Z. A synthetic approach to quassin. Synthesis of a ring A seco derivative Canadian Journal of Chemistry. 57: 3346-3348. DOI: 10.1002/Chin.198022304 |
0.423 |
|
1979 |
Daniewski AR, White PS, Valenta Z. TOTAL SYNTHESIS OF 14β-HYDROXY-4,9(11)-ANDROSTADIENE-3,17-DIONE Cheminform. 10. DOI: 10.1002/Chin.197942343 |
0.325 |
|
1978 |
Cohen N, Valenta Z, Banner BL, Dickinson RA, Eichel WF. An asymmetric total synthesis of D-homo steroids involving a lewis acid directed diels-alder reaction Synthetic Communications. 8: 427-436. DOI: 10.1002/Chin.197903302 |
0.405 |
|
1977 |
Strunz GM, Ren WY, Stillwell MA, Valenta Z. Structure and synthesis of a new cyclopentenone derivative from Trichoderma album Canadian Journal of Chemistry. 55: 2610-2612. DOI: 10.1139/V77-360 |
0.422 |
|
1976 |
Kakushima M, Espinosa J, Valenta Z. Catalysed Diels–Alder reactions. The realization of orientation control with a bifunctional aliphatic dienophile Canadian Journal of Chemistry. 54: 3304-3306. DOI: 10.1139/V76-473 |
0.321 |
|
1976 |
Liu H, Sato Y, Valenta Z, Wilson JS, Yu TT. Ormosia alkaloids. VII. Total synthesis of ormosanine, piptanthine, 18-epiormosanine, and d,l-panamine Canadian Journal of Chemistry. 54: 97-109. DOI: 10.1139/V76-017 |
0.387 |
|
1976 |
Liu H, Sato Y, Valenta Z, Wilson JS, Yu TT. Ormosia Alkaloids. Vii. Total Synthesis Or Ormosanine, Piptanthine, 18-Epiormosanine, And D,L-Panamine Cheminform. 7. DOI: 10.1002/Chin.197622325 |
0.317 |
|
1975 |
Stojanac N, Sood A, Stojanac Ž, Valenta Z. A Synthetic Approach to Quassin. Introduction of Functionality and Stereochemistry by a Diels–Alder Reaction Canadian Journal of Chemistry. 53: 619-621. DOI: 10.1139/V75-087 |
0.367 |
|
1975 |
Stojanac Ž, Dickinson RA, Stojanac N, Woznow RJ, Valenta Z. Catalyzed Orientation Reversals in Diels–Alder Reactions Canadian Journal of Chemistry. 53: 616-618. DOI: 10.1139/V75-086 |
0.303 |
|
1975 |
STOJANAC N, SOOD A, STOJANAC Z, VALENTA Z. ChemInform Abstract: A SYNTHETIC APPROACH TO QUASSIN, INTRODUCTION OF FUNCTIONALITY AND STEREOCHEMISTRY BY A DIELS-ALDER REACTION Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197522249 |
0.3 |
|
1972 |
Dickinson RA, Kubela R, MacAlpine GA, Stojanac Z, Valenta Z. A Stereospecific Synthesis of Ring A-aromatic Steroids Canadian Journal of Chemistry. 50: 2377-2380. DOI: 10.1139/V72-379 |
0.452 |
|
1972 |
DICKINSON RA, KUBELA R, MACALPINE GA, STOJANAC Z, VALENTA Z. ChemInform Abstract: STEREOSPEZIFISCHE SYNTH. VON STEROIDEN MIT AROMATISCHEM RING A Chemischer Informationsdienst. 3: no-no. DOI: 10.1002/Chin.197247474 |
0.316 |
|
1970 |
Wiesner K, Komlossy ZI, Philipp A, Valenta Z. The total synthesis of optically active veatchine. Experientia. 26: 471. PMID 5444813 DOI: 10.1007/Bf01898446 |
0.714 |
|
1970 |
Liu HJ, Valenta Z, Yu TTJ. Total synthesis of the ormosia alkaloids ormosanine, piptanthine, and panamine Journal of the Chemical Society D: Chemical Communications. 1116. DOI: 10.1039/C29700001116 |
0.369 |
|
1970 |
LIU HJ, VALENTA Z, YU TTJ. ChemInform Abstract: TOTALSYNTHESE DER ORMOSIA-ALKALOIDE ORMOSANIN, PIPTANTHIN UND PANAMIN Chemischer Informationsdienst. Organische Chemie. 1: no-no. DOI: 10.1002/Chin.197048398 |
0.309 |
|
1970 |
Wiesner K, Komlossy ZI, Philipp A, Valenta Z. Totalsynth. Des Optisch Aktiven Veatchins Cheminform. 1. DOI: 10.1002/Chin.197032398 |
0.671 |
|
1968 |
Wiesner K, Uyeo S, Philipp A, Valenta Z. Synthesis in the series of diterpene alkaloids. IX. A new simple synthesis of veatchine. Tetrahedron Letters. 6279-82. PMID 5701075 DOI: 10.1016/S0040-4039(00)75452-9 |
0.765 |
|
1968 |
Wiesner K, Valenta Z, Orr DE, Liede V, Kohan G. Structure of pithecolobine. III. The synthesis of the 1,5- and 1,3-desoxypithecolobines Canadian Journal of Chemistry. 46: 3617-3624. DOI: 10.1139/V68-600 |
0.326 |
|
1967 |
Dugas H, Hazenberg ME, Valenta Z, Wiesner K. Synthesis in the series of lycopodium alkaloids. VII. The synthesis of 12-epi-lycopodine. Tetrahedron Letters. 49: 4931-6. PMID 6062697 DOI: 10.1016/S0040-4039(01)89940-8 |
0.77 |
|
1967 |
Wiesner K, Valenta Z, Findlay JA. The structure of ryanodine Tetrahedron Letters. 8: 221-223. DOI: 10.1016/S0040-4039(00)90521-5 |
0.706 |
|
1966 |
Deslongchamps P, Valenta Z, Wilson JS. ORMOSIA ALKALOIDS: IV. STEREOCHEMISTRY OF ORMOJANINE; STRUCTURE AND STEREOCHEMISTRY OF PIPTANTHINE, DASYCARPINE, AND ORMOSININE Canadian Journal of Chemistry. 44: 2539-2551. DOI: 10.1139/V66-381 |
0.581 |
|
1966 |
Valenta Z, Deslongchamps P, Rashid MH, Wightman RH, Wilson JS. ORMOSIA ALKALOIDS: III. CHEMISTRY OF ORMOSANINE AND ORMOJANINE; DEHYDROGENATION TO 3,6,8-TRIALKYLATED QUINOLINES Canadian Journal of Chemistry. 44: 2525-2538. DOI: 10.1139/V66-380 |
0.531 |
|
1966 |
Guthrie RW, Henry WA, Immer H, Wong CM, Valenta Z, Wiesner K. The total synthesis of the Garrya veatchii alkaloids Collection of Czechoslovak Chemical Communications. 31: 602-621. DOI: 10.1135/Cccc19660602 |
0.471 |
|
1966 |
Guthrie RW, Valenta Z, Wiesner K. Synthesis in the series of diterpene alkaloids VI. A simple synthesis of atisine Tetrahedron Letters. 7: 4645-4654. DOI: 10.1016/S0040-4039(00)70092-X |
0.77 |
|
1965 |
Babin DR, Bögri T, Findlay JA, Reinshagen H, Valenta Z, Wiesner K. The complete structure of ryanodine. Experientia. 21: 425-30. PMID 5870896 DOI: 10.1007/Bf02150794 |
0.692 |
|
1965 |
Dugas H, Ellison RA, Valenta Z, Wiesner K, Wong CM. Synthesis of Lycopodium alkaloids. II. Development of stereospecific synthetic methods. Tetrahedron Letters. 1279-86. PMID 5844743 DOI: 10.1016/S0040-4039(00)77196-6 |
0.729 |
|
1965 |
Böhme EH, Valenta Z, Wiesner K. Syntheses in the series of lycopodium alkaloids. 3. A novel system active in photochemical additions. Tetrahedron Letters. 2441-4. PMID 5843624 DOI: 10.1016/S0040-4039(01)84003-X |
0.721 |
|
1965 |
Guthrie RW, Philipp A, Valenta Z, Wiesner K. Synthesis in the diterpene alkaloid series. 3. A novel synthesis of a keto lactam. A photochemical approach to the C,D-ring system of atisine. Tetrahedron Letters. 2945-50. PMID 5828041 DOI: 10.1016/S0040-4039(01)89239-X |
0.754 |
|
1964 |
Deslongchamps P, Wilson JS, Valenta Z. The structure of piptanthine a catalytic epimerization of Ormosia alkaloids Tetrahedron Letters. 5: 3893-3898. DOI: 10.1016/S0040-4039(01)93312-X |
0.554 |
|
1964 |
Valenta Z, Wiesner K, Wong CM. Synthesis in the diterpene alkaloid series - II. A total synthesis of the garrya alkaloids Tetrahedron Letters. 5: 2437-2442. DOI: 10.1016/S0040-4039(00)70405-9 |
0.762 |
|
1964 |
Anet FAL, Haq MZ, Khan NH, Ayer WA, Hayatsu R, Valverde-Lopez S, Deslongchamps P, Riess W, Ternbah M, Valenta Z, Wiesner K. The structure of lyconnotine: A novel lycopodium alkaloid Tetrahedron Letters. 5: 751-757. DOI: 10.1016/0040-4039(64)83031-8 |
0.759 |
|
1964 |
Valenta Z, Deslongchamps P, Ellison RA, Wiesner K. Synthesis of Lycopodium alkaloids. I. A synthetic proof for the structure of lyconnotine [18] Journal of the American Chemical Society. 86: 2533-2534. |
0.604 |
|
1963 |
Valenta Z, Deslongchamps P, Rashid MH, Wightman RH, Wilson JS. Ormosia alkaloids, Part I: structure of ormojanine and ormosanine Tetrahedron Letters. 4: 1559-1567. DOI: 10.1016/S0040-4039(01)90871-8 |
0.545 |
|
1962 |
VALENTA Z, WIESNER K, BABIN DR, BOGRI T, FORREST TP, FRIED F, REINSHAGEN H. On the structure of ryanodol. Experientia. 18: 111-3. PMID 13924329 DOI: 10.1007/Bf02153842 |
0.693 |
|
1962 |
Findlay JA, Henry WA, Jain TC, Valenta Z, Wiesner K, Wong CM. Synthesis in the diterpene alkaloid series - I the stereospecific synthesis of an intermediate and its identification with a natural degradation product Tetrahedron Letters. 3: 869-872. DOI: 10.1016/S0040-4039(00)71737-0 |
0.759 |
|
1962 |
Wiesner K, Valenta Z, Humber LG. On the hofmann degradation of hetisine Tetrahedron Letters. 3: 621-625. DOI: 10.1016/S0040-4039(00)70919-1 |
0.672 |
|
1962 |
Valenta Z, Gray AH, Orr DE, Papadopoulos S, Podešva C. The stereochemistry of quassin Tetrahedron. 18: 1433-1441. DOI: 10.1016/S0040-4020(01)99298-1 |
0.35 |
|
1962 |
Babin DR, Forrest TP, Valenta Z, Wiesner K. The complete structure and relative and absolute configuration of anhydroryanodine Experientia. 18: 549-550. DOI: 10.1007/Bf02172168 |
0.358 |
|
1961 |
Wiesner K, Francis JE, Findlay JA, Valenta Z. The configuration of annotinine and some rearrangements Tetrahedron Letters. 2: 187-196. DOI: 10.1016/S0040-4039(01)84063-6 |
0.706 |
|
1960 |
Valenta Z, Gray AH, Papadopoulos S, Podešva C. The structure of quassin Tetrahedron Letters. 1: 25-33. DOI: 10.1016/S0040-4039(01)99360-8 |
0.323 |
|
1960 |
Yoshimura H, Valenta Z, Wiesner K. A rigorous proof of the selegaine structure Tetrahedron Letters. 1: 14-17. DOI: 10.1016/S0040-4039(01)99306-2 |
0.325 |
|
1960 |
Valenta Z, Yoshimura H, Rogers EF, Ternbah M, Wiesner K. The structure of selagine Tetrahedron Letters. 1: 26-33. DOI: 10.1016/S0040-4039(01)99300-1 |
0.323 |
|
1960 |
Woodward RB, Closs GL, Le Goff E, Ayer WA, Dutler H, Leimgruber W, Beaton JM, Hannah J, Lwowski W, Bickelhaupt F, Hauck FP, Sauer J, Bonnett R, Itô S, Valenta Z, et al. The total synthesis of chlorophyll [18] Journal of the American Chemical Society. 82: 3800-3802. |
0.58 |
|
1959 |
Valenta Z, Khaleque A. The structure of castoramine Tetrahedron Letters. 1: 1-5. DOI: 10.1016/S0040-4039(01)99432-8 |
0.323 |
|
1958 |
WIESNER K, VALENTA Z. Recent progress in the chemistry of the aconitegarrya alkaloids. Fortschritte Der Chemie Organischer Naturstoffe = Progress in the Chemistry of Organic Natural Products. ProgrèS Dans La Chimie Des Substances Organiques Naturelles. 16: 26-89. PMID 13640068 |
0.681 |
|
1955 |
Wiesner K, Valenta Z, Manson AJ, Stonner FW. Synthesis of dimethylapoerysopine and an approach to the total synthesis of the unrearranged erythrina bases Journal of the American Chemical Society. 77: 675-683. |
0.32 |
|
1952 |
Wiesner K, MacDonald DM, Valenta Z, Armstrong R. PITHECOLOBINE, THE ALKALOID OF PITHECOLOBIUMSAMAN BENTH. I Canadian Journal of Chemistry. 30: 761-772. DOI: 10.1139/v52-091 |
0.676 |
|
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