ES327392A1 - Procedure for the preparation of 2-ethylamino-4-phenyl-6-chloro-4h-3-1-benzoxazine. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of 2-ethylamino-4-phenyl-6-chloro-4h-3-1-benzoxazine. (Machine-translation by Google Translate, not legally binding)
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Hoechst AG
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Farbwerke Hoechst AG
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Publication of ES327392A1publicationCriticalpatent/ES327392A1/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Abstract
Process for the preparation of 2-ethylamino-4-phenyl-6-chloro-4H-3,1-benzoxazine, of the formula ** (See formula) ** characterized in that 5-chloro-2-aminobenzhydrol is reacted with ethyl isocyanate and the N-ethyl-N '- [4-chloro-2- (alpha-hydroxybenzyl)] -phenylurea obtained is treated with acids. (Machine-translation by Google Translate, not legally binding)
ES0327392A1965-06-031966-05-31Procedure for the preparation of 2-ethylamino-4-phenyl-6-chloro-4h-3-1-benzoxazine. (Machine-translation by Google Translate, not legally binding)
ExpiredES327392A1
(en)
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