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Phosphorylation of 2-phenyl-1,3,4-oxadiazole with phosphorus (III) halides

✍ Scribed by A. A. Tolmachev; E. V. Zarudnitskii; A. A. Yurchenko; A. M. Pinchuk

Book ID
105513973
Publisher
Springer US
Year
1999
Tongue
English
Weight
151 KB
Volume
35
Category
Article
ISSN
0009-3122

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## Abstract 2‐(3‐Methyl‐1,3‐diazabuten‐1‐yl)‐3‐ethoxycarbonylthiophenes are phosphorylated with phosphorus(III) halides in basic media at position 5 of the thiophene ring. Up to three heteroaromatic substituents can be introduced one by one at the same phosphorus atom. On this basis, mono‐, bis‐, a