DIRECT SYNTHESIS OF 2-CYANOBENZIMIDAZOLES AND THE GENERATION OF S-2

Authors
RAKITIN OA REES CW VLASOVA OG
Citation
Oa. Rakitin et al., DIRECT SYNTHESIS OF 2-CYANOBENZIMIDAZOLES AND THE GENERATION OF S-2, Tetrahedron letters, 37(26), 1996, pp. 4589-4592
Citations number
14
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
37
Issue
26
Year of publication
1996
Pages
4589 - 4592
Database
ISI
SICI code
0040-4039(1996)37:26<4589:DSO2AT>2.0.ZU;2-Y
Abstract
2-Cyanobenzimidazoles 6 are readily prepared from 1,2-diaminobenzenes 4 and 4,5-dichloro-1,2,3-dithiazolium chloride 1, either directly or t hrough thermal or acid-catalysed rearrangement of the isolated imine i ntermediates 5; thermolysis of the imine 5b at 140-150 degrees C simul taneously generates diatomic sulfur, S-2, as shown by its interception . Copyright (C) 1996 Elsevier Science Ltd