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A New Method for the Synthesis of Carboxamides and Peptides Using 1,1′-Carbonyldioxydi[2(1H)-pyridone] (CDOP) in the Absence of Basic Promoters.

✍ Scribed by Isamu Shiina; Yo-ichi Kawakita

Publisher
John Wiley and Sons
Year
2003
Weight
138 KB
Volume
34
Category
Article
ISSN
0931-7597

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A new biginelli reaction procedure using
A new biginelli reaction procedure using potassium hydrogen sulfate as the promoter for an efficient synthesis of 3,4-dihydropyrimidin-2(1H)-one
✍ Shujiang Tu; Fang Fang; Songlei Zhu; Tuanjie Li; Xiaojing Zhang; Qiya Zhuang 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 130 KB

## Abstract Simple and improved conditions have been found to carry out the Biginelli reaction for the synthesis of 3,4‐dihydropyrimidin‐2(1__H__)‐one derivatives. This synthesis was performed using potassium hydrogen sulfate as the promoter in ethylene glycol solution. Compared with the classical