Ultrasound mediated efficient ring opening of epoxides by in situ generated dithiocarbamates in green reaction media |
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Authors: | Najmadin Azizi Elham Gholibeglo Mahboobe Maryami Sanaz Dehghan Nayeri Seyed Mohammad Bolourtchian |
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Institution: | Chemistry & Chemical Engineering Research Center of Iran, P.O. Box 14335-186 Tehran, Iran |
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Abstract: | Ultrasound accelerated a safe, clean and environmentally benign one-pot, three-component synthesis of 2-hydroxy dithiocarbamate, from amine, carbon disulfide and epoxide in good to excellent yields and short reaction time with excellent chemo-, regio-, and stereoselectivities in green reaction media (water, deep eutectic solvent DES] and polyethylene glycol PEG]). The one-pot, three-component condensation of primary and secondary amine with carbon disulfide and epoxides under ultrasonic irradiation was developed as a green and fast protocol for the rapid high-yielding preparation of 2-hydroxy dithiocarbamate in green reaction media without organic solvent and tedious workup. |
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