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A Convenient Synthesis of Certain Benzo and Dibenzoxanthones and Chromones
Author(s) -
Van Allan J. A.,
Stenberg J. F.,
Reynolds G. A.
Publication year - 1979
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570160833
Subject(s) - chemistry , organic chemistry , combinatorial chemistry
Certain chromones and benzoxanthones were prepared by heating at 300–325° a mixture of 1‐or 2‐naphthol with either phenyl o ‐hydroxybenzoate or o ‐hydroxynaphthoate or a β‐ketoester. The yields and purity of the products are superior to those obtained by the published procedures.