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Synthesis of 1,3-thiazolidine-2-thiones

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1,3-Thiazolidine-2-thiones can be prepared from β-amino alcohols and potassium ethylxanthate as the starting materials in the presence of ethanol.
Z. Lu, Y.-Q. Yang, W. Xiong, Synlett, 2019, 30, 713-716.


Amidato lanthanide amides were applied in the cycloaddition reactions of aziridines with carbon dioxide (CO2) or carbon disulfide (CS2) under mild conditions to provide the corresponding oxazolidinones and thiazolidine-2-thiones in good yields with good functional group tolerance.
Y. Xie, C. Lu, B. Zhao, Q. Wang, Y. Yao, J. Org. Chem., 2019, 84, 1951-1958.