Fig. 9

A suggested mechanism for the synthesis of 2-amino-3-cyano 4H-pyran 8a-i derivatives catalyzed by the CS-g-PAN/Fe3O4 nanocomposite (1).

A suggested mechanism for the synthesis of 2-amino-3-cyano 4H-pyran 8a-i derivatives catalyzed by the CS-g-PAN/Fe3O4 nanocomposite (1).