Multicomponent synthesis of chromene derivatives catalyzed by poly(4-vinylpyridine

Poly(4-vinyl pyridine) is reported as a green, commercial available and efficient basic recyclable catalyst for the synthesis of chromene derivatives. This catalyst can be easily recovered by simple filtration and recycled up to 5 consecutive runs without any loss of its efficiency

کلیدواژه ها:

Poly(4-vinylpyridine) ، chromene ، resorccinole ، malononitrile