Stereochemical studies of 2-hydroxychromanones by 1H NMR spectroscopy

J Borbély, V Szabó, PL Sohár

文献索引：Szabo, Vince; Borbely, Janos; Theisz, Edit; Borda, Jeno; Janzso, Geza Tetrahedron, 1984 , vol. 40, # 2 p. 413 - 417

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被引用次数: 10

摘要

2-Hydroxychromanones (2a–2f) were synthesized by ring closing of 2- hydroxyacetophenones (1a, b) and 2-hyroxypropiophenones (1c–1f). In the case of 2- hydroxy-3-methyl-chromanones (2c–2f) a mixture of cis and trans isomers was obtained.