The Journal of Organic Chemistry

Quinone chemistry. Reaction of 2, 3-dichloro-1, 4-naphthoquinone with 2-aminophenols in pyridine

NL Agarwal, W Schaefer

Index: Agarwal, Nand L.; Schaefer, Wolfram Journal of Organic Chemistry, 1980 , vol. 45, # 25 p. 5144 - 5149

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Citation Number: 23

Abstract

The reaction of 2, 3-dichloro-l, 4-naphthoquinone (1) and 2-aminophenols (2) in pyridine furnished substituted 6-chloro-5H-benzo [a] phenoxazin-5-one (lo), 5H-benzo [a] phenoxazin-5-one (8), 5H-benzo [a] phenoxazin-5-one-6-pyridiniun chloride (6), 2-(2- hydroxyanilino)-1, 4-naphthoquinone-3-pyridinium chloride (5), and 12H-benzo [b] phenoxazine-6, ll-dione (7). It was observed that the nature and yields of the reaction ...