Different structures for two very similar 2-benzoylpyridine azacyclothiosemicarbazones

Author:

Valdés-Martínez J.,Hernández-Ortega S.,West D. X.,Ives J. S.,Bain G. A.

Abstract

Abstract 2-Benzoylpyridine piperidinyl- and hexamethyleneiminylthiosemicarbazones, HBzpip and HBzhexim, respectively, crystallize in a hydrogen bonded Z isomeric conformation with respect to the C7–N2 bond. The intramolecular hydrogen bond is between N3–H…N1, but the S atom is E to the azomethine nitrogen, N2, for HBzpip and Z for HBzhexim. HBzpip is the second ZE isomer known, but the first that does not have a formal hydrogen bond to N2.

Publisher

Walter de Gruyter GmbH

Subject

Inorganic Chemistry,Condensed Matter Physics,General Materials Science

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