Bioorganic & Medicinal Chemistry Letters 2001-04-23

An improved method for the rapid preparation of 2-amino-4,4a-dihydro-4a,7-dimethyl-3H-phenoxazine-3-one, a novel antitumor agent.

A Tomoda, S Arai, R Ishida, T Shimamoto, K Ohyashiki

Index: Bioorg. Med. Chem. Lett. 11(8) , 1057-8, (2001)

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Abstract

A simple and rapid preparation method for a novel antitumor agent, 2-amino-4,4a-dihydro-4a,7-dimethyl-3H-phenoxazine-3-one (Phx) was described. The procedure included (1) the reaction of bovine hemolysates with 2-amino-5-methylphenol, (2) one-shot denaturation of hemoglobin and proteins by methanol, and removal of the denatured hemoglobin and proteins, (3) concentration of the reaction products, and (4) purification by a Sephadex column. These procedures yielded Phx in 34% yield.

Related Compounds

  • 6-Amino-m-cresol

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