Wang Zhiwei, Li Shaobai, Yan Fulin, Li Yulin, Synth. Commun, 24 (1994) N 21, S 3135-3139
作者:Wang Zhiwei, Li Shaobai, Yan Fulin, Li Yulin
DOI:——
日期:——
Synthesis of (Z)-3-(2-Hydroxybutylidene)phthalide
作者:Zhiwei Wang、Shaobai Li、Fulin Yan、Yulin Li
DOI:10.1080/00397919408011328
日期:1994.11
Abstract The first synthesis of (Z)-3-(2-hydroxybutylidene)phthalide (1) is described, starting from phthalic anhydride (2). The key step in the synthesis is the condensation of the kinetic lithium enolate of butanone with 2.