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Communication | Regular issue | Vol 27, No. 4, 1988, pp.881-884
Published online, 1st January, 1970
DOI: 10.3987/COM-87-4466
2-t-Butyl-5-chloro-6-nitrobenzoxazole: A Practical Synthetic Intermediate for 4-Aryloxy-5-nitro-2-aminophenols

Mitsunori Ono,* Katsuyoshi Yamakawa, Hidetoshi Kobayashi, and Isamu Itoh

*Ashigara Research Laboratories, Fiji Photo Film Co., Ltd., 210 Nakanuma, Minamiashigara, Kanagawa 250-0123, Japan

Abstract

On the examination of the anomalous reactivities of several nitrobenzoxazole derivatives 2a-e toward acids and bases it has been found that 2-t-butyl-5-chloro-6-nitrobenzoxazole 2c serves as one of the most convenient and practical synthetic intermediates for 4-aryloxy-5-nitro-2-aminophenols.