| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5218581 | Tetrahedron | 2013 | 7 Pages |
Abstract
2H-Chromen-3-yl-methylenemalononitriles/cyanoacrylates/cyanoacrylamides with variant structural features have been serendipitously formed during an endeavour to prepare 5H-chromeno[3,4-c]pyridine using CuI/(NH4)2HPO4 catalyzed reaction of O-propargyl salicylaldehyde with malononitrile/ethyl cyanoacetate/cyanoacrylamide. The process is convenient, speedy and high yielding, and the products formed have been finally characterized by X-ray diffraction analysis.
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