Preparation of 7,7-Bis(methoxycarbonyl)-2,5-Diaryl-3,4-Diazanorcaradienes
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概要
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5,5-Bis(methoxycarbonyl)-5,6-dihydro-3,7-diaryl-4H-1,2-diazepines (6) were prepared by the condensation of α-bromoacetophenone azines with dimethyl malonate in the presence of sodium methoxide. Halogenation of 6 afforded 7,7-bis(methoxycarbonyl)-2,5-diaryl-3,4-diazanorcaradienes (10) in excellent yields.
- 琉球大学理学部の論文
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