Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/16460
Title: Selective methylation of coumarins and naphthoquinones using dimethyl sulfoxide
Authors: Thapliyal, Prakash Chander
Issue Date: Jun-1999
Publisher: NISCAIR-CSIR, India
Abstract: On UV irradiation, coumarins 1-6 and 1,4-naphthoquinones 7-11 with dimethyl sulfoxide in tertiary butyl alcohol under nitrogen atmosphere give corresponding 4-methylcoumarins 12-17 and 2- methyl-1,4-naphthoquinones 18-22 selectively in a single step facile reaction with good yields.
Page(s): 726-727
URI: http://hdl.handle.net/123456789/16460
Appears in Collections:IJC-B Vol.38B(06) [June 1999]

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