Chiral apha-thioaldehydes 2–6 undergo chelation or non-chelation controlled addition of silylketene acetal 1, depending on the nature of the Lewis acid catalyst and of the ligands at the stereocenter.
Diastereoselective addition of a silylketeneacetal to chiral alpha-thioaldehydes / R. Annunziata, M. Cinquini, F. Cozzi, P.G. Cozzi. - In: TETRAHEDRON LETTERS. - ISSN 0040-4039. - 31:46(1990), pp. 6733-6736.
Diastereoselective addition of a silylketeneacetal to chiral alpha-thioaldehydes
R. AnnunziataPrimo
;M. CinquiniSecondo
;F. CozziPenultimo
;
1990
Abstract
Chiral apha-thioaldehydes 2–6 undergo chelation or non-chelation controlled addition of silylketene acetal 1, depending on the nature of the Lewis acid catalyst and of the ligands at the stereocenter.
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