Tetrahedron letters

Oxidative transformation of tryptophan to 3-(2-aminophenyl)-2-pyrrolidone and kynurenine

M Nakagawa, S Kato, H Fukazawa, Y Hasegawa…

Index: Nakagawa; Kato; Fukazawa; et al. Tetrahedron Letters, 1985 , vol. 26, # 48 p. 5871 - 5874

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Citation Number: 13

Abstract

Abstract Oxytryptophans 3, which are readily obtained by dye-sensitized photooxygenation of tryptophan followed by acid treatment, undergo a facile N, N′-transacylation to give the 3- (2-aminophenyl)-2-pyrrolidones 4 in the absence of oxygen, whereas in the presence of oxygen 3a was oxidized to kynurenine.

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