An eco-friendly approach for one-pot synthesis of tetrahydrobenzo[b]pyran derivatives using CrCl3.6H2O as catalyst

CrCI3.6H2O as an efficient, mild andeconomical catalyst for one-pot three-component synthesis of tetrahydrobenbzo (b) pyran derivatives reaction between aldehyde derivvatives, malononittile and dimedone with good yields and short reaction times is reportted. the most benefits of this synthetic are including efficient,eco-friendly,inexpensive an non- toxic catalyst and environmentally benign nature.

کلیدواژه ها:

CrCl3.6H2O ، Tetrahydrobenzo[b]pyrans ، Simple work-up ، Multi-component reaction.