Why do ethyl [2-cyano-3-(n-butylamino)acryloyl]carbamate and its analogues stay as Z-isomers only ?

Bibliographic Details
Main Authors: Kuangsen Sung, Robert Sung, Michael Sung, Bo-Ren Zhuang
Format: Article
Language:English
Published: Arkat USA, Inc. 2006-06-01
Series:ARKIVOC
Online Access:https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0007.b13