ハロゲン化芳香族化合物の光化学的脱ハロゲン化(3) : ハロゲン化N-置換フタロンイミド類の光化学的脱ハロゲン化

Abstract

Photochemical dehalogenation of halogenated N-substituted phthalonimides in degassed solutions was investigated. Photochemical reactions of N-(chlorophenyl)phthalonimides in degassed 2-propanol gave 4-hydroxy-2-(chlorophenyl)-homophthalimides and 2-(chlorophenyl)homophthalimides together with N-(chlorophenyl)phthalimides. On the other hand, photochemical reactions of N-(bromophenyl)phthalommides in degassed 2-propanol afforded 4-hydroxy-2-(bromophenyl)homophthalimides and 2-(bromophenyl)homophthalimides. In the case of bromo substituted 2-phenyl-phthalonimides afforded also debrominated photoproducts, N-phenylhomophthalimides and N-phenyl-phthalonimdes as a minor products.