SYNTHESIS AND REACTIVITY OF YNHYDRAZINES

被引：0
|
作者：
DECROUTTE, H
JANOUSEK, Z
PONGO, L
MERENYI, R
VIEHE, HG
机构：
[1] UNIV CATHOLIQUE LOUVAIN,CHIM ORGAN LAB,PL L PASTEUR 1,B-1348 LOUVAIN,BELGIUM
[2] LAB EGIS,H-1475 BUDAPEST,HUNGARY
来源：
BULLETIN DE LA SOCIETE CHIMIQUE DE FRANCE | 1990年 / 06期
关键词：
YNHYDRAZINE; RETRO-ENE REACTION; KETENIMINE; HYDRAZIDE;
D O I：
暂无
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The first examples of ynhydrazines are described of which the 1-trimethylhydrazino-2-phenylacetylene 4 is studied in particular. Besides the expected reactivity, analogous but weaker than that of the corresponding ynamine towards phenol, cyanhydric acid, allylic alcool, benzoic anhydride, benzaldehyde and formaldehyde, this ynhydrazine undergoes smooth retro-ene type fragmentation producing N-methyl-phenylketenimine above 100-degrees-C. Another particularity is heterocyclization with phosgene producing a pyrazolone derivative through dechloromethylation.
引用
收藏
页码：745 / 750
页数：6
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