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Communication | Special issue | Vol 13, No. 1, 1979, pp.297-300
Published online, 1st January, 1970
DOI: 10.3987/S-1979-01-0297
Synthesis of Unsymmetrically Substituted 1,3,4,6-Tetraaza-6a-thia(SIV)pentalenes and Their Alkylation

Yohsuke Yamamoto and Kin-ya Akiba*

*Department of Chemistry, Faculty of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033

Abstract

Unsymmetrically substituted 1,3,4,6-tetraaza-6a-thia (SIV)pentalenes (1) with a methyl group at N(6) were prepared and alkylated with Meerwein reagents to give N(3) [or N(4)] monoalkylated products, i.e., 1,3,4,6-tetraaza-6a-thia(SIV)pentalenium tetrafluoroborates (4).