Oxidation of alkyl aryl and heterocyclic sulphides with ButOOH and a catalytic amount of titanium N-salicylidene-L-amino acids (0.1 mol equiv.) affords the corresponding sulphoxides with an enantiomeric excess (e.e.) up to 21%. The use of other metal complexes with the same ligands led to racemic products.
Asymmetric oxidation of sulphides to sulphoxides catalysed by titanium complexes of N-salicylidene-L-amino acids / S. Colonna, A. Manfredi, M. Spadoni, L. Casella, M. Gullotti. - In: JOURNAL OF THE CHEMICAL SOCIETY. PERKIN TRANSACTIONS. I. - ISSN 0300-922X. - :1(1987), pp. 71-73.
Asymmetric oxidation of sulphides to sulphoxides catalysed by titanium complexes of N-salicylidene-L-amino acids
A. ManfrediSecondo
;
1987
Abstract
Oxidation of alkyl aryl and heterocyclic sulphides with ButOOH and a catalytic amount of titanium N-salicylidene-L-amino acids (0.1 mol equiv.) affords the corresponding sulphoxides with an enantiomeric excess (e.e.) up to 21%. The use of other metal complexes with the same ligands led to racemic products.
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