Synthesis of Some Linear Benzochromanones
- 1 January 1963
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 16 (1) , 101-106
- https://doi.org/10.1071/ch9630101
Abstract
A series of 8-substituted 6,7-benzochromanones has been prepared by cyclization of the corresponding 3-(1-X-2-naphthy1oxy)propionic acids (X = CH3, 0CH3, Br, NO2) with polyphosphoric acid. Direct cyclization of the related 3-(1-X-2-naphthyloxy)propionitriles (X = CH3, OCH3, Br, NO2) with sulphuric acid was successful only with X = Br, NO2. An improved synthesis of 1-methoxy-2-naphthol is reported.Keywords
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