Cu-Catalyzed alkylation–cyanation type difunctionalization of styrenes with aliphatic aldehydes and TMSCN <i>via</i> decarbonylation
作者:Yu-Ling Zhou、Jun-Jia Chen、Jing Cheng、Luo Yang
DOI:10.1039/d1ob02376d
日期:——
A copper-catalyzed decarbonylative alkylation–cyanation of styrene derivatives with aliphatic aldehydes and trimethylsilyl cyanide to provide chain elongated nitriles is reported. Using TBHP as an oxidant and free radical initiator, the reaction can smoothly convert abundant α-di-substituted, α-mono-substituted and linear aliphatic aldehydes into the corresponding 3°, 2° and 1° alkyl radicals to initiate
Myocardium-protecting pyridine derivatives having an anti-arrhythmic
申请人:C.M. Industries
公开号:US04356177A1
公开(公告)日:1982-10-26
The present invention relates to new pyridine derivatives of formula: ##STR1## wherein R.sub.1 is an alkyl or an alicyclic group, R.sub.2 and R.sub.3 are alkyls or alicyclic groups or form an heterocycle with the atom of nitrogen to which they are bonded; the invention also relates to a process for the preparation of said derivatives and the medicines containing at least one of the said derivatives.