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Metal chelates of dithiocarbazic acid and its derivatives. VIII. Metal ion induced rearrangement of some 1,3,4-thiadiazoline-2-thiones derived from dithiocarbazic acid

Authors
Journal
Inorganica Chimica Acta
0020-1693
Publisher
Elsevier
Publication Date
Volume
7
Identifiers
DOI: 10.1016/s0020-1693(00)94883-7

Abstract

Abstract In the presence of certain metal salts 3,3,5-trimethyl-1,3,4-thiadiazolidine-2-thione, 5,5-dimethyl-1,3,4-thiadiazolidine-2-thione, and 5-(2-pyridyl)-1,3,4-thiadiazolidine-2-thione undergo rearrangement to yield neutral metal chelates of the tautomeric Schiff bases, respectively, α-N-methyl-β-N-isopropylidentithiocarbazate (N-Me-Sh) isopropylidentithiocarbazate (N-Sh), and β-N-(2-pyridyl)methylendithiocarbazate (N-N-SH). The compounds isolated were M(NMe-S) 2 (M = Ni, Cu, Pd), M(N-S) 2 (M = Ni, Pd), Co(N-S) 3. H 2O, and Ni(N-N-S).

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