Regio - and stereoselective photocycloadditions of heterocyclic 2,3- diones - Evidence for an unexpected 1,2-aroyl migration

DOI: 10.1016/S0040-4020(99)00078-2

Source and publish data:

Tetrahedron p. 2973 - 2984 (1999)

Update date:2022-08-04

Topics:

Authors:

Kollenz Kollenz

Terpetschnig

Sterk Sterk

Peters Peters

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Article abstract of DOI:10.1016/S0040-4020(99)00078-2

Photocyclization of the heterocyclic 2,3-diones 1a-d with electron rich alkenes affords regio- and stereoselectively the 2+2 adducts 2, from 1b with benzophenone as photosensitizer also the Paterno-Buchi adduct 3 is obtained. Similarly, with phenylethyne

Full text of DOI:10.1016/S0040-4020(99)00078-2

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