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Synthesis and Reactions of 5,6,7,8-Tetrabromo-4(3,4-dimethylphenyl)-1H-2,3-benzoxazin-l-one

A. L. El. Shenawy

Department of Chemistry, Faculty of Science, Benha Unviversity, Benha, Egypt

 

E-mail: refat.elsayed@yahoo.com

Received: 4 November 2002

Abstract: The behaviour of 5,6,7,8-tetrabromo-4-(3,4-dimethylphenyl)-lH-2,3-benzoxazin-1-one towards phosphorus pentasulfide, active methylene compounds, 3,5-dimethylpyrazole under Friedel—Craft's conditions, Grignard reagents, o-phenylenediamine, and hydrazine hydrate has been investigated. Also, reactions of 2-amino-5,6,7,8-tetrabromo-4-(3,4-dimethylphenyl)-2H-phthalazin-1-one with aromatic aldehyde, acetic anhydride, and ethyl acetate are described.

Full paper in Portable Document Format: 583a205.pdf

 

Chemical Papers 58 (3) 205–208 (2004)

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