期刊
JOURNAL OF CHEMICAL SCIENCES
卷 126, 期 4, 页码 1081-1089出版社
INDIAN ACAD SCIENCES
DOI: 10.1007/s12039-014-0670-4
关键词
Naphthopyran; propargylic alcohols; naphthol; montmorillonite K-10
资金
- Research Council of University of Mazandaran
A simple and mild procedure for the synthesis of different naphthopyrans providing high yields in a short reaction time was reported. The reaction of propargylic alcohols with alpha- or beta-naphthol and dihydroxy naphthalenes in the presence of montmorillonite K-10 was studied. This reaction afforded high yields of the corresponding naphthopyrans. In addition, a number of new phenylene and biphenylen-linked bisnaphthopyrans were synthesized providing excellent yields via the one-pot reaction of bis-propargyl alcohols with beta-naphthol.
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