Unusual transformations of 7-imino-6-oxabicyclo[3.2.1]oct-3-ene-1,8,8-tricarbonitriles in acidic media
作者:Mikhail Yu. Ievlev、Oleg V. Ershov、Konstantin V. Lipin、Mikhail Yu. Belikov、Viktor A. Tafeenko
DOI:10.1016/j.tetlet.2017.06.090
日期:2017.8
The transformations of 7-imino-6-oxabicyclo[3.2.1]oct-3-ene-1,8,8-tricarbonitrile derivatives in various hydrochloric acid media were studied. It was found that, depending on the reaction conditions, either hydrolysis of the imino group and isolation of the corresponding 7-oxo-6-oxabicyclo[3.2.1]oct-3-ene-1,8,8-tricarbonitriles occured or a cascade transformation takes place to form 2-chloro-1,6,6
研究了7-亚氨基-6-氧杂双环[3.2.1]辛-3-烯-1,8,8-三腈衍生物在各种盐酸介质中的转化。发现根据反应条件,亚氨基的水解和相应的7-氧代-6-氧杂双环[3.2.1] oct-3-ene-1,8,8-三碳腈的发生或发生了。进行级联转化以形成2-氯-1,6,6-三氰基环己基-3-烯-1-羧酰胺。