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A Simple Synthesis of Furo[3′,4′:5,6]pyrido[2,3-d]pyrimidine Derivatives Through Multicomponent Reactions in Water.

✍ Scribed by Shu-Jiang Tu; Yan Zhang; Hong Jiang; Bo Jiang; Jun-Yong Zhang; Run-Hong Jia; Feng Shi


Publisher
John Wiley and Sons
Year
2007
Weight
25 KB
Volume
38
Category
Article
ISSN
0931-7597

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A Simple Synthesis of Furo[3′,4′:5,6]pyr
✍ Shu-Jiang Tu; Yan Zhang; Hong Jiang; Bo Jiang; Jun-Yong Zhang; Run-Hong Jia; Fen 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 133 KB

## Abstract A series of furo[3′,4′:5,6]pyrido[2,3‐__d__]pyrimidine and indeno[2′,1′:5,6]pyrido[2,3‐__d__]pyrimidine derivatives were synthesized by three‐component reactions involving an aldehyde, 2,6‐diaminopyrimidine‐4(3__H__)‐one, and either tetronic acid or indane‐1,3‐dione in water, under micr

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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