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Communication | Special issue | Vol 30, No. 2, 1990, pp.749-752
Published online, 1st January, 1970
DOI: 10.3987/COM-89-S53
Synthesis of 2-Phenyl-2,3,4,5-tetrshydro-1-benzoxepin-5-ones

Toshio Tatsuoka,* Kayoko Imao, Kenji Suzuki, Makoto Shibata, Fumio Satoh, Seiji Miyano, and Kunihiro Sumoto

*Suntory Institute for Biochemical Research, Suntory Co. Ltd., 1-1-1, Wakayamadai, Shimamotocho, Mishimagun, Osaka 618-0024, Japan

Abstract

A series of 2-phenyl-1-2,3,4,5-tetrahydro-1-benzoxepin-5-ones were synthesized by 2 steps from flavones through 3,4-benzo-5-oxo-2-oxabicyclo[4.1.0]heptanes.