Synthesis of Different Chiral Amino γ-Butyrolactones and Amino γ-Butenolides
摘要:
[GRAPHIC]Different transformations of chiral epoxy esters 1 afford two different amino gamma-butyrolactones 2 and 6, and amino gamma-butenolides 8, by different nucleophilic opening-closing processes.
Stereoselective Synthesis of Functionalized γ-Amino Esters: Azetidinium Salts and Epoxy Esters
作者:José M. Concellón、Estela Riego、Pablo L. Bernad
DOI:10.1021/ol025590f
日期:2002.4.1
Addition of several lithium ester enolates to chiral 1-aminoalkyl chloromethyl ketones 1 affords enantiomerically pure 3-hydroxyazetidinium salts 3 or 3-(1'-aminoalkyl)-3,4-epoxy esters 4, depending on the reaction conditions. [reaction: see text]
Synthesis of Different Chiral Amino γ-Butyrolactones and Amino γ-Butenolides
作者:José M. Concellón、Estela Riego、Pablo L. Bernad
DOI:10.1021/ol0255918
日期:2002.4.1
[GRAPHIC]Different transformations of chiral epoxy esters 1 afford two different amino gamma-butyrolactones 2 and 6, and amino gamma-butenolides 8, by different nucleophilic opening-closing processes.