ABSTRACT
A new series of 2-aryl-3-cyano-2,3-dihydro-1,5-benzothiazepin-4(5H)-ones were synthesized in moderate to high yield via reductive cyclization of nitrodisulfides with arylmethylidenemalonitriles promoted by SmI2 under mild and neutral conditions.
ACKNOWLEDGMENTS
We are grateful to the National Natural Science Foundation of China (Project No.20072033) and the NSF of Zhejiang province for financial support.