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Direct polyesterification with diphenyl chlorophosphate in the presence of carboxamides in pyridine

✍ Scribed by Fujuki Higashi; Yukiharu Yamada

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
248 KB
Volume
26
Category
Article
ISSN
0887-624X

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πŸ“œ SIMILAR VOLUMES

Direct polycondensations of hydroxybenzo
Direct polycondensations of hydroxybenzoic acids by use of diphenyl chlorophosphate in the presence of N,N-dimethylformamide
✍ Higashi, Fukuji ;Yamada, Yukiharu ;Hoshio, Atsushi πŸ“‚ Article πŸ“… 1984 πŸ› John Wiley and Sons βš– 361 KB

## Abstract Direct polycondensation reaction of hydroxybenzoic acids with diphenyl chlorophosphate (DPCP) in pyridine was largely improved by carrying out the reaction in the presence of a formamide. Among the formamides examined, __N__,__N__‐dimethylformamide (DMF), __N__,__N__‐dimethylformamide,