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Polystyrene-supported AICI3: A highly active and reusable heterogeneous catalyst for the one-pot synthesis of dihydropyrimidinones

✍ Scribed by Liang Wang; Chun Cai

Publisher
Journal of Heterocyclic Chemistry
Year
2008
Tongue
English
Weight
170 KB
Volume
45
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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An environmentally benign Biginelli protocol for the one‐pot synthesis of substituted 3,4‐dihydropyrimidin‐2(1__H__)‐ones using polystyrene supported aluminium chloride as catalyst has been achieved. This polymeric catalyst is stable and can be easily recovered and reused without obvious change in their efficiency.

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One-pot synthesis of N-substituted pyrro
One-pot synthesis of N-substituted pyrroles catalyzed by polystyrene-supported aluminum chloride as a reusable heterogeneous lewis acid catalyst
✍ Ali Rahmatpour; Jamal Aalaie 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 136 KB 👁 1 views

## Abstract A convenient and efficient procedure is presented for the one‐pot synthesis of N‐substituted pyrroles by condensation of 2,5‐hexandione and amines or diamines in the presence of cross‐linked polystyrene‐supported aluminum chloride (PS/AlCl~3~) as a highly active and reusable heterogeneo