Microwave Irradiated Synthesis of Benzo phenoxazine Derivatives in Solid State

Abstract

Abstract: Anew methodology quickly leading to benzo phenoxazine derivatives is reported. The mixture of N,N-dialkyl-4-nitrosoaniline hydrochloride and 2-naphthol derivatives was irradiated in domestic microwave oven in the absence of solvent to afford benzoa[a] phenoxazonium chlorides 3a_3f with a high yield and the results were compared with the conditions reacted in supporters, oilbath or solvent. Moreover, a new laser dye 9-dimethylamino-6-carbethoxy-5H-benzo phenoxazin-5-one was prepared.

Key words: Microwave irradiation, Solid state synthesis, Benzo phenoxazonium chloride, Laser dyes, 5-HB-enzo phenoxazin₅one

CLC Number:

O626.21

TrendMD:

LONG Jiang, JIN Jin, WANG Yong-Mei, MENG Ji-Ben . Microwave Irradiated Synthesis of Benzo phenoxazine Derivatives in Solid State[J]. Chem. J. Chinese Universities, 1999, 20(4): 573.

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Microwave Irradiated Synthesis of Benzo phenoxazine Derivatives in Solid State

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