Syntheses of novel (E)-N-methyl-2-styryl-4-quinolones.

[摘要]：Two new synthetic routes for (E)-N-methyl-2-styryl-4-quinolones were established, both starting from (E)-2-(cinnamoylamino)acetophenones. In the first, (E)-2-(cinnamoylamino)acetophenones are cyclized and then methylated, while in the second they are methylated followed by in-situ cyclization.

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