Absolute configuration of an allenic enzyme inactivator
作者:John M. Schwab、Daniel C.T. Lin、Cun-heng He、Jon Clardy
DOI:10.1016/s0040-4039(01)91256-0
日期:1984.1
X-Ray crystallographic analysis of the 4-(4′-bromophenyl)phenacyl ester of (+)-2,3-decadienoic acid has shown that the allenic inhibitor of β-hydroxy-decanoylthioester dehydrase has the configuration.
Rhodium-Catalyzed Highly Enantio- and Diastereoselective Alkenylation of β,γ-Unsaturated Butenolides via Dynamic Kinetic Resolution
作者:Xiaosa Lu、Jie Zhu、Yinhua Huang
DOI:10.1021/acs.orglett.2c03551
日期:2022.12.9
diene ligand, (S,S)-Ph-bod, enables the facile synthesis of chiral butyrolactones in high yields with extremely high enantioselectivities (>99% ee in all cases) and high diastereoselectivities (up to >20:1 dr). The key process of the reaction involves the isomerization of β,γ-unsaturated butenolides to racemic α,β-unsaturated butenolides and the subsequent dynamic kinetic resolution through ligand-controlled
报道了一种铑催化的 β,γ-不饱和丁烯酸内酯的高度对映和非对映选择性烯基化反应。使用手性二烯配体 ( S , S )-Ph-bod,能够以高产率轻松合成手性丁内酯,具有极高的对映选择性(在所有情况下 >99% ee)和高非对映选择性(高达 >20: 1 博士)。反应的关键过程包括 β,γ-不饱和丁烯酸内酯异构化为外消旋 α,β-不饱和丁烯酸内酯,以及随后通过配体控制的动态动力学拆分,通过 1,4 原位生成的烯基铑物质进行对映选择性烯基化- 铑迁移。
HAHN, G.;ZWEIFEL, G., SYNTHESIS, BRD, 1983, N 11, 883-885
作者:HAHN, G.、ZWEIFEL, G.
DOI:——
日期:——
SCHWAB, J. M.;LIN, D. C. T, J. AMER. CHEM. SOC., 1985, 107, N 21, 6046-6052
作者:SCHWAB, J. M.、LIN, D. C. T
DOI:——
日期:——
RAMASWAMY SOWMIANARAYANAN; HUI R. A. H. F.; JONES J. B., J. CHEM. SOC., CHEM. COMMUN.,(1986) N 20, 1545-1546
作者:RAMASWAMY SOWMIANARAYANAN、 HUI R. A. H. F.、 JONES J. B.