Novel Photochemical Rearrangement of Styrylfurans

A conrotatory photocyclization, a novel [1,9] hydrogen shift, and a lateral ring opening are involved in the rearrangement of a series of 2‐(4‐alkylstyryl)furans 1 to 5‐(3‐alkylbutadienyl)benzo[b]furans 2 in dichloromethane. These novel photochemical rearrangements occur with good yields of isolated...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 1999-09, Vol.38 (17), p.2558-2560
Main Authors: Ho, Tong-Ing, Wu, Jin-Yi, Wang, Shun-Li
Format: Article
Language:English
Subjects:
Heterocycles
Isomerizations
Photochemistry
Rearrangements
Online Access:Get full text
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Summary:A conrotatory photocyclization, a novel [1,9] hydrogen shift, and a lateral ring opening are involved in the rearrangement of a series of 2‐(4‐alkylstyryl)furans 1 to 5‐(3‐alkylbutadienyl)benzo[b]furans 2 in dichloromethane. These novel photochemical rearrangements occur with good yields of isolated products.
ISSN:1433-7851
1521-3773
DOI:10.1002/(SICI)1521-3773(19990903)38:17<2558::AID-ANIE2558>3.0.CO;2-E