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Pyrimidines. 65. Synthesis of 6-substituted thieno[2,3-d]pyrimidine-2,4(1H,3H)-diones

โœ Scribed by Kosaku Hirota; Mitsuomi Shirahashi; Shigeo Senda; Motoi Yogo


Book ID
112129588
Publisher
Journal of Heterocyclic Chemistry
Year
1990
Tongue
English
Weight
346 KB
Volume
27
Category
Article
ISSN
0022-152X

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A facile synthesis of 2-substituted thie
โœ Jian-Chao Liu; Hong-Wu He; Qing-Yun Ren; Ming-Wu Ding ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 217 KB ๐Ÿ‘ 1 views

## Abstract magnified image The thienopyridine derivative **2**, obtained from reaction of acetoacetic ester with **1** in the presence of tin tetrachloride, was treated with triphenylphosphine in hexachloroethane and Et~3~N to give iminophosphorane **3**. Iminophosphorane **3** reacted with pheny