한빛사 논문
Abstract
Lizhu Gao1, Byung Chul Kang1, Prof. Dr. Geum-Sook Hwang2,*, Prof. Dr. Do Hyun Ryu1,*
1Department of Chemistry, Sungkyunkwan University, 300 Cheoncheon-Dong, Jangan-gu, Suwon, Gyeoneggi, 440-746 (Korea)
2Korea Basic Science Institute and Graduate School of Analytical Science and Technology, Chungnam National University, Seoul, 136-713 (Korea)
*Korea Basic Science Institute and Graduate School of Analytical Science and Technology, Chungnam National University, Seoul, 136-713 (Korea)
*Department of Chemistry, Sungkyunkwan University, 300 Cheoncheon-Dong, Jangan-gu, Suwon, Gyeoneggi, 440-746 (Korea)
†This work was supported by grants NRF-2011-0031392 (Priority Research Centers Program), NRF-2011-0029186 (Midcareer Researcher Program) and the Korea Basic Science Institute (T32409).
Keywords:asymmetric synthesis;boron;diazo compounds;homogeneous catalysis;synthetic methods
Breaking kamp: A catalytic route toward chiral α-alkyl-β-ketoesters using the title reaction of α-alkyl diazoester with aldehydes has been developed (see scheme). The reaction proceeds with high to excellent enantioselectivities and this methodology was applied to a concise two-step synthesis of the natural pheromone sitophilate.
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