Abstract
Reactions of malonothioamides with acetylenedicarboxylates proceed as an addition of the sulfur atom at the triple bond with subsequent intramolecular reaction between the ester group and the nitrogen atom, that leads to substituted thiazolidines. Unsubstituted malonodithioamide and N-cyclohexylmalonodithioamide give adducts involving both thioamide fragments, whereas N,N′-bis(4-methoxyphenyl)malonodithioamide forms the 1: 1 adducts.
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Dedicated to Academician V. N. Charushin in honor of his 60th birthday.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 991–993, May, 2011.
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Obydennov, K.L., Kosterina, M.F., Klimareva, E.L. et al. Reactions of malonodithioamides with acetylenedicarboxylic esters. Russ Chem Bull 60, 1016–1018 (2011). https://doi.org/10.1007/s11172-011-0159-y
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DOI: https://doi.org/10.1007/s11172-011-0159-y