Tetrahedron

New benzoxazine and benzothiazine dyes

F Chioccara, G Prota, RH Thomson

Index: Chioccara,F. et al. Tetrahedron, 1976 , vol. 32, p. 1407 - 1409

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Citation Number: 15

Abstract

2H-1, 4-benzoxazine can be generated in situ from 1-(o-aminophenoxy)-2, 2′- dimethoxyethane in trifluoroacetic acid whence further reaction leads to the benzoxazine bye 7. The benzothiazine dye 9 can be derived in similar fashion from 1-(o-aminophenylthio)- 2, 2-diethoxyethane.