112828-53-2Relevant academic research and scientific papers
Photocycloaddition of Quinoxalin-2-ones and Benzoxazin-2-ones to Aryl Alkenes
Nishio, Takehiko,Omote, Yoshimori
, p. 2611 - 2616 (2007/10/02)
Photocycloadditions of quinoxazolin-2-ones and benzoxazin-2-ones to arylalkenes are examined.Irradiation of quinoxazolin-2-ones (1) in the presence of arylalkenes (3) such as 1,1-diphenylethylene, styrene, 2- or 4-vinylpyridine, etc, gave the azetidines (4)-(22) via cycloaddition of the carbon-nitrogen double bond of (1) to the alkene.This photoreaction occurs from the excited triplet state of (1).Benzoxazin-2-ones (2) also added photochemically to arylalkenes to yield the corresponding azetidines (23)-(28).
