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Efficient Synthesis of New Thieno[2,3- d ]pyrimidin-4(3 H )-one Derivatives for Evaluation as Anticancer Agents

✍ Scribed by Hu, Yang-Gen; Zheng, Ai-Hua; Li, Gao-Jun; Dong, Meng-Zhu; Ye, Fang; Sun, Feng; Liu, Zheng-Yun; Li, Wen

Book ID
121801002
Publisher
Journal of Heterocyclic Chemistry
Year
2014
Tongue
English
Weight
561 KB
Volume
51
Category
Article
ISSN
0022-152X

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An efficient synthesis of new pyrido[4′,
An efficient synthesis of new pyrido[4′,3′:4,5]thieno[2,3-d]-pyrimidin-4(3H)-one derivatives
✍ Yang-Gen Hu; Ming-Wu Ding; Guo-Ping Zeng 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 211 KB 👁 1 views

## Abstract magnified image The carbodiimides **5**, obtained from reactions of iminophosphorane **4** with aromatic isocyanates, reacted with amines, phenols or ROH to give 2‐substituted 5,6,7,8‐tetrahydropyrido[4′,3′:4,5]thieno[2,3‐__d__]‐pyrimidin‐4(3__H__)‐one 7 in the presence of catalytic am

Synthesis and Structure of 2-Substituted
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✍ Jian-Chao Liu; Hong-Wu He; Ming-Wu Ding 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 German ⚖ 96 KB 👁 1 views

## Abstract A series of new 2‐substituted 3‐(4‐chlorophenyl)‐5,8,9‐trimethylthieno[3′,2′: 5,6]pyrido[4,3‐__d__]pyrimidin‐4(3__H__)‐ones **8** were synthesized __via__ an aza‐__Wittig__ reaction. Phosphoranylideneamino derivatives **6a** or **6b** reacted with 4‐chlorophenyl isocyanate to give carbo