A simple synthesis of novel 6,7,8,9-tetrahydro-2-thia-3,5,6,9-tetraazabenz[cd]azulenes

Authors
Tumkevicius, S Kaminskas, A Kulbokaite, J
Citation
S. Tumkevicius et al., A simple synthesis of novel 6,7,8,9-tetrahydro-2-thia-3,5,6,9-tetraazabenz[cd]azulenes, J CHEM R-S, (6), 2000, pp. 287-289
Citations number
23
Categorie Soggetti
Chemistry
Journal title
JOURNAL OF CHEMICAL RESEARCH-S
ISSN journal
03082342 → ACNP
Issue
6
Year of publication
2000
Pages
287 - 289
Database
ISI
SICI code
0308-2342(200006):6<287:ASSON6>2.0.ZU;2-B
Abstract
A convenient method for the synthesis of ethyl 6-substituted 6,7,8,9-tetrah ydro-2-thia-3,5,6,9-tetraazabenz[cd]azulene-1-carboxylates - representing a new heterosystem - from the corresponding ethyl 4,5-diaminothienol[2,3-d]p yrimidine-6-carboxylates, by a two-step protocol is described.