반응 #1796495

반응 방정식

3-cyano-4-phenyl-2-furanone

cyclopentanone

4-dicyanomethylene-2,6-dimethyl-4H-pyran

pyridine

→

6-(N,N-Diethylamino)-2-formylbenzo[b]furan

반응 조건

실험 절차

The new dyes of this invention are prepared by condensation of the new intermediates of Examples 1 and 2 in pyridine with an active methylene compound such as 3-cyano-4-phenyl-2-furanone, cyclopentanone, 4-dicyanomethylene-2,6-dimethyl-4H-pyran, 3-acetyl-7-(N,N-dialkylamino)coumarins and the like.

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