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An expedient synthesis of 3-acyltetramic acids of the melophlin family from α-aminoesters and immobilized Ph3PCCO

✍ Scribed by Rainer Schobert; Carsten Jagusch


Book ID
108282874
Publisher
Elsevier Science
Year
2005
Tongue
French
Weight
268 KB
Volume
61
Category
Article
ISSN
0040-4020

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β-Oxy-α-diazo-carbonyl compounds. Part 5
✍ Francisco Sarabia; Fidel Jorge López-Herrera 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 79 KB

Reactions of ethyl 2-diazoacetate with aldehydo sugars and monosaccharide derivatives in their hemiacetal form are reported. The use of diethyl zinc led to an improvement of yields and shorter reaction times compared with neutral conditions as previously described. The resulting products represent p