An unexpected inversion of enantioselectivity in the proline catalyzed intramolecular Baylis–Hillman reaction
摘要:
A highly enantioselective proline catalyzed intramolecular Baylis-Hillman reaction of hept-2-enedial is reported. Addition of imidazole to the mixture results in art unusual inversion of enantioselectivity. (c) 2005 Elsevier Ltd. All rights reserved.
The intramolecular Baylis–Hillman reaction: easy preparation of versatile substrates, facile reactions, and synthetic applications
作者:Jung Eun Yeo、Xiuling Yang、Hee Jin Kim、Sangho Koo
DOI:10.1039/b311951c
日期:——
We have developed a general and highly efficient method for the preparation of diverse [small omega]-formyl-[small alpha],[small beta]-unsaturated carbonyl compounds and optimized the conditions for the intramolecular Baylis-Hillman reactions of these compounds to provide various biologically important polycyclic compounds.
A highly enantioselective proline catalyzed intramolecular Baylis-Hillman reaction of hept-2-enedial is reported. Addition of imidazole to the mixture results in art unusual inversion of enantioselectivity. (c) 2005 Elsevier Ltd. All rights reserved.
Mathais,H. et al., Angewandte Chemie, 1968, vol. 80, p. 1033 - 1034