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Issue 0, 1968
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Studies of heterocyclic compounds. Part V. A synthesis of thiothiophthenes and related compounds

Abstract

Dimethylthioformamide condenses with 3-methyl(ene)-1,2-dithiolium salts in acetic anhydride to give 3-(2-dimethylaminovinyl)-1,2-dithiolium (Vilsmeier) salts. These salts react with sodium hydrogen sulphide to give thiothiophthenes, and with sodium hydroxide to form 3-acylmethylene-3H-1,2-dithioles. H N.m.r. data for these compounds are discussed. An improved procedure for the synthesis of 1,2-dithiolium salts is described.

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Article information


J. Chem. Soc. C, 1968, 2543-2548
Article type
Paper

Studies of heterocyclic compounds. Part V. A synthesis of thiothiophthenes and related compounds

J. G. Dingwall, S. McKenzie and D. H. Reid, J. Chem. Soc. C, 1968, 2543
DOI: 10.1039/J39680002543

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