An efficient and green procedure for synthesis of rhodanine derivatives by aldol-thia-Michael protocol using aqueous diethylamine medium
2014
Barakat, Assem | Al-Majid, Abdullah M. | AL-Najjar, Hany J. | Mabkhot, Yahia N. | Ghabbour, Hazem A. | Fun, Hoong-Kun
A simple, economical, and green approach to the synthesis of rhodanine derivatives using a tandem aldol condensation-thia-Michael addition process in aqueous diethylamine medium was described. The experiment protocol features simple operations, and the products were isolated in high to excellent yields (82–96%). As spontaneous precipitation always occurs at the end of the process, this leads to easy separation of the products via a simple filtration.
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