Synthesis of Optically Active 4-Hydroxyalkanenitriles via an Enzymatic Reaction
作者:Yumiko Takagi、Toshiyuki Itoh
DOI:10.1246/bcsj.66.2949
日期:1993.10
Lipase-catalyzed enantioselective hydrolysis of esters of 4-hydroxyalkanenitriles was demonstrated for the first time. Efficient optical resolution was achieved when (±)-3-cyano-1-phenylpropyl 2-(phenylthio)acetate was hydrolyzed by lipase PS (Pseudomonas sp.).
Efficient Preparation of γ-Hydroxynitriles via Nitrile Enolate-Epoxide Reactions: Scope and Diastereoselectivity
作者:Stephen K. Taylor、Dawn DeYoung、Lloyd J. Simons、James R. Vyvyan ‡、Mary A. Wemple、Noelle K. Wood
DOI:10.1080/00397919808006873
日期:1998.5
The nucleophilic opening of epoxides by nitrile enolates using an efficient, convenient protocol is described The diastereoselectivity of this reaction was explored and found to give syn:anti ratios ranging from 1.1:1.0 to 4.8:1.0.
o-Substituierte Derivate des (+)-Cyanidin-3-ols,Verfahren zu ihrer Herstellung, sowie diese Verbindungen enthaltende pharmazeutische Zusammensetzungen und deren Herstellung