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Improvements in Methylation of Diospyrol by Solvent-Free Phase Transfer Catalysis

Authors :
Tran Kim Qui Tran Kim Qui
André Loupy
Nguyen Thanh Hong Nguyen Thanh Hong
Ma Tuan Khanh Ma Tuan Khanh
Source :
Synthetic Communications. 26:1305-1308
Publication Year :
1996
Publisher :
Informa UK Limited, 1996.

Abstract

Permethylation of diospyrol was considerably improved in solvent-free PTC conditions. An excellent yield (92%) was obtained in 30 minutes using solid KOH + 5% Aliquat 336 and dimethyl sulfate, to be compared with 40% in acetone in 10 hours.

Details

ISSN :
15322432 and 00397911
Volume :
26
Database :
OpenAIRE
Journal :
Synthetic Communications
Accession number :
edsair.doi...........8592083345fc2f7aa927a931062a29e2