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Reaktionen von 2-Cyan-3-methoxy-maleinimid mit methylenaktiven Verbindungen und Enaminen |
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| Authors: | M. Augustin,J. Frank,M. Kö hler |
| Abstract: | Reactions of 2-Cyano-3-methoxy-maleinimide with Methylene Active Compounds and Enamines The vinylogous ester 1 gives with methylenactive compounds 2 carbamoylmaleinimides 3 , which cyclize to pyridonimides 4 . Reactions of 1 with enamines form cyanomaleinimides 6-8 and aminopyridines 11 . |
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