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Paper | Special issue | Vol 39, No. 1, 1994, pp.185-203
Published online, 1st January, 1970
DOI: 10.3987/COM-93-S(B)14
Synthesis of 1,3-Dithietane-2,4-diylidenebis(cyanomethylphosphonates) and -phenyl-phosphinates and Their Reaction with Carboxylic Acid Hydrazides

Richard Neidlein,* Monica Jochheim, Claus Krieger, and Walter Kramer

*Pharmazeutisch-Chemishces Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, D-69120 Heidelberg, Germany


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.