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KMID : 0370219870310060370
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Yakhak Hoeji
1987 Volume.31 No. 6 p.370 ~ p.375
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Cyclization Reaction of 2(2’’,2’’-Diethoxyethyl)Aminobenzamide
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서명은/Suh ME
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Abstract
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1,4-Benzodiazepin 5-one was prepared from 2-aminobenzamide derivatives by acid catalyzed intermolecular cyclization. N-Alkylation of 2-aminobenzamide with alpha-bromo acetaldehyde diethylacetal to 2(2’’,2’’-diethoxyethyl)aminobenzamide (I) and subsequent treatment of I with acid gave 1,4-benzdiazepin 5-one, where as the acetyl derivatives of I did not react to 1,4-benzodiazepin 5-one but to methyl 4-quinazolone (IV).
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