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CoCl2·6H2O or LaCl3·7H2O Catalyzed Biginelli Reaction. One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones

✍ Scribed by Jun Lu; Yin-Juan Bai; Yan-Hong Guo; Zhen-Jun Wang; Huai-Rang Ma

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
548 KB
Volume
20
Category
Article
ISSN
0256-7660

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A One-Pot Biginelli Synthesis of 6-Unsubstituted 5-Aroylpyrimidin-2(1H)-ones and 6-Acetyl-1,2,4-triazin-3(2H)-ones
✍ Elham Sayed Darwish; Ismail Abdelshafy Abdelhamid; Miead Adel Nasra; Fathy Moham 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 German ⚖ 147 KB

## Abstract The three‐component __Biginelli__‐like cyclocondensation reaction of enamines **1**, urea, and aldehydes in dioxane/acetic acid efficiently afforded the corresponding 6‐unsubstituted 3,4‐dihydropyrimidin‐2(1__H__)‐ones **2** in good yields (__Scheme 1, Table__). The corresponding reacti