Synthesis of 1,3-Dithietane-2,4-diylidenebis(cyanomethylphosphonates) and -phenyl-phosphinates and Their Reaction with Carboxylic Acid Hydrazides
作者:Richard Neidlein、Monica Jochheim、Claus Krieger、Walter Kramer
DOI:10.3987/com-93-s(b)14
日期:——
1,3-Dithietane-2,4-diylidenebis(cyanomethylphosphonates) and -phenylphosphinates react with carboxylic acid hydrazides to yield tautomeric derivatives of 1,3,4-oxadiazoles. One of the starting materials as well as one of the reaction products is examined by X-ray crystal structure analysis.