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Silica-supported ZnCl 2 — A highly active and reusable heterogeneous catalyst for the one-pot synthesis of dihydropyrimidinones–thiones

✍ Scribed by Gupta, Raman; Gupta, Monika; Paul, Satya; Gupta, Rajive

Book ID
120254713
Publisher
NRC Research Press
Year
2007
Tongue
French
Weight
88 KB
Volume
85
Category
Article
ISSN
0008-4042

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## Abstract magnified image 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 reus