Lekha Gupta, Ph.D.
Affiliations: | 2010 | Cornell University, Ithaca, NY, United States |
Area:
organolithium reagentsGoogle:
"Lekha Gupta"Mean distance: 8.67 | S | N | B | C | P |
Parents
Sign in to add mentor| David B. Collum | grad student | 2010 | Cornell | |
| (Rate studies of organolithium-mediated reactions: Reaction of lithium diisopropylamide with fluoropyridines and reaction of lithium diethylamide with an alkyl bromide and an alkyl sulfonate.) | ||||
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Publications
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| Algera RF, Gupta L, Hoepker AC, et al. (2017) Lithium Diisopropylamide: Nonequilibrium Kinetics and Lessons Learned about Rate Limitation. The Journal of Organic Chemistry |
| Liang J, Hoepker AC, Bruneau AM, et al. (2014) Lithium diisopropylamide-mediated lithiation of 1,4-difluorobenzene under nonequilibrium conditions: role of monomer-, dimer-, and tetramer-based intermediates and lessons about rate limitation. The Journal of Organic Chemistry. 79: 11885-902 |
| Gupta L, Hoepker AC, Ma Y, et al. (2013) Lithium diisopropylamide-mediated ortholithiation of 2-fluoropyridines: rates, mechanisms, and the role of autocatalysis. The Journal of Organic Chemistry. 78: 4214-30 |
| Hoepker AC, Gupta L, Ma Y, et al. (2011) Regioselective lithium diisopropylamide-mediated ortholithiation of 1-chloro-3-(trifluoromethyl)benzene: role of autocatalysis, lithium chloride catalysis, and reversibility. Journal of the American Chemical Society. 133: 7135-51 |
| Gupta L, Ramírez A, Collum DB. (2010) Reaction of lithium diethylamide with an alkyl bromide and alkyl benzenesulfonate: origins of alkylation, elimination, and sulfonation. The Journal of Organic Chemistry. 75: 8392-9 |
| Ma Y, Hoepker AC, Gupta L, et al. (2010) 1,4-addition of lithium diisopropylamide to unsaturated esters: role of rate-limiting deaggregation, autocatalysis, lithium chloride catalysis, and other mixed aggregation effects. Journal of the American Chemical Society. 132: 15610-23 |
| Viciu MS, Gupta L, Collum DB. (2010) Mechanism of lithium diisopropylamide-mediated substitution of 2,6-difluoropyridine. Journal of the American Chemical Society. 132: 6361-5 |
| Gupta L, Hoepker AC, Singh KJ, et al. (2009) Lithium diisopropylamide-mediated ortholithiations: lithium chloride catalysis. The Journal of Organic Chemistry. 74: 2231-3 |
| Chadwick ST, Ramirez A, Gupta L, et al. (2007) n-Butyllithium/N,N,N',N'-tetramethylethylenediamine-mediated ortholithiations of aryl oxazolines: substrate-dependent mechanisms. Journal of the American Chemical Society. 129: 2259-68 |