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Synthesis of a 1-oxacephem structurally related to clavulanic acid from D-glucuronolactone

✍ Scribed by Bartlomiej Furman; Sergiej Molotov; René Thürmer; Zbigniew Kałuża; Wolfgang Voelter; Marek Chmielewski

Book ID
108374672
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
433 KB
Volume
53
Category
Article
ISSN
0040-4020

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✍ Pier Giovanni Baraldi; Francesca Fruttarolo; Mojgan Aghazadeh Tabrizi; Romeo Rom 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 371 KB

## Abstract magnified image The reaction between 3‐(dimethylamino)/3,3‐bis(methylthio)‐1‐(substituted)prop‐2‐en‐1‐ones and 4‐substituted‐5‐amino‐1__H__‐pyrazoles afforded new pyrazole[1,5‐__a__]pyrimidines structurally related to Zaleplon. The chemical modifications introduced at the 3‐, 5‐, and 7