Isolation of a 1,8a-dihydronaphthalene derivative in the photocyclisation of 3,3′-diphenyl-2,2′-bi-(1-oxoindenyl)
Abstract
In the photocyclisation of 3,3′-diphenyl-2,2′-bi-(1-oxoindenyl)(2), the 1,8a-dihydronaphthalene intermediate (3) was isolated.