PHOTOCHEMISTRY OF ETHENOBENZOCYCLOHEPTENONES. A DI-?-METHANE REARRANGEMENT OF β,γ-UNSATURATED ARYL KETONES

DOI: 10.1016/0040-4020(82)85089-8

Source and publish data:

Tetrahedron p. 2539 - 2546 (1982)

Update date:2022-08-03

Topics:

Authors:

Hassner, Alfred

Middlemiss, David

Murray-Rust, Judith

Murray-Rust, Peter

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Article abstract of DOI:10.1016/0040-4020(82)85089-8

Benzotropones 6 react with dienophiles 7 to give endo-adducts 8 as shown by PMR.Unlike similar ketones which usually undergo 1,3-acyl shifts or oxadi-?-methane rearrangements, these ethenobenzocycloheptenones 8, on direct or sensitized irradiation, lead t

Full text of DOI:10.1016/0040-4020(82)85089-8

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