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A new synthesis of thiophenes and thiapyrans

✍ Scribed by Tilak, B. D.


Book ID
113002625
Publisher
Springer-Verlag
Year
1950
Tongue
English
Weight
511 KB
Volume
32
Category
Article
ISSN
0370-0089

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## Abstract New amidino‐benzimidazolyl‐substituted bis‐1,2‐(2‐thienyl)ethenes (**__4, 5__**, and **__6__**) and benzo[1,2‐ b:4,3‐ b′]dithiophenes (**__8, 9__**, and **__10__**) were prepared by the condensation of amidino‐substituted o‐phenylene diamines with corresponding dialdehydes (**__3__** an