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Synthesis of cyclohexeno[1′,2′ ∶ 2,3]thieno[4,-5-e]-1,3H-pyrimidin-4-one-2-thione and some of its derivatives

✍ Scribed by S. M. Khripak; A. A. Dobosh; I. V. Smolanka

Book ID: 112326360
Publisher: Springer US
Year: 1973
Tongue: English
Weight: 97 KB
Volume: 9
Category: Article
ISSN: 0009-3122
DOI: 10.1007/bf00471545

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## Abstract magnified image An efficient one‐pot access for the synthesis of the previously unreported tetracyclic fused pyrimido‐[4″,5″:4′,5′]thieno[3′,2′:4,5]thieno[3,2‐__d__]pyrimidine (**3**) and 1,2,3‐triazine[4″,5″:4′,5′]thieno‐[3′,2′:4,5]thieno‐[3,2‐__d__]‐1,2,3‐triazine (**5**) heteroaroma