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Diastereoselective aldol reaction with imidazolidinone derivatives of N,N-dibenzylglycine: e) S. Caddick, N. J. Parr, M. C. Pritchard, Tetrahedron 2001, 57, 6615-6626, and references therein.
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k) G. H. Hakimelahi, P.-C. Li, A. A. Moosavi-Movahedi, J. Chamani, G. A. Khodarahmi, T. W. Ly, F. Valiyev, M. K. Leong, S. Hakimelahi, K.-S. Shia, I. Chao, Org. Biomol. Chem. 2003, 1, 2461-2467;
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40
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Pioneering work on aldol reactions with thiazolidin-2-thiones and tin enolates: a Y. Nagao, W.-M. Dai, M. Ochiai, S. Tsukagochi, E. Fujita, J. Am. Chem. Soc. 1988, 110, 289-291;
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41
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53549114583
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4 bottle should be used as traces of HCl gave rise to deacylation of the N-acyl-thiazolidin-2- thione (1) during enolization. Caution should also be taken during hydrolysis and extraction which should be realized quickly with cold solutions to avoid partial hydrolysis of the aldol products. Products should also be used as soon as possible in subsequent reactions, preferably without purifications, and should not be kept on the bench at room temperature (see the supporting information).
-
4 bottle should be used as traces of HCl gave rise to deacylation of the N-acyl-thiazolidin-2- thione (1) during enolization. Caution should also be taken during hydrolysis and extraction which should be realized quickly with cold solutions to avoid partial hydrolysis of the aldol products. Products should also be used as soon as possible in subsequent reactions, preferably without purifications, and should not be kept on the bench at room temperature (see the supporting information).
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33746385828
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