in dichloromethane T=-78°C;

in dichloromethane T=-78°C;

in dichloromethane T=-78°C;

in tetrahydrofuran T=-78°C; Title compound not separated from byproducts.;

L-menthyl (S)-p-tolylsulfinate

in dichloromethane T=-78°C;

1: benzyl (2R,4S,5R)-4-methyl-5-phenyl-1,2,3-oxathiazolidine-2-oxide-3-carboxilate; 2,4,6-trimethylphenylmagnesium bromide in dichloromethane T=-78°C; 2: With tetrafluoroboric acid in dichloromethane 0.0833333 h; 3: methylmagnesium bromide in dichloromethane

1: methylmagnesium bromide; benzyl (2R,4S,5R)-4-methyl-5-phenyl-1,2,3-oxathiazolidine-2-oxide-3-carboxilate in dichloromethane T=-78°C; 2: With tetrafluoroboric acid in dichloromethane T=-20°C; 0.0833333 h; 3: 2,4,6-trimethylphenylmagnesium bromide in dichloromethane T=-20°C; Further stages. Title compound not separated from byproducts.;

1: Bromure de phenyl magnesium; benzyl (2R,4S,5R)-4-methyl-5-phenyl-1,2,3-oxathiazolidine-2-oxide-3-carboxilate in dichloromethane T=-78°C; 2: With tetrafluoroboric acid in dichloromethane T=-78°C; 0.0833333 h; 3: vinyl magnesium halide in dichloromethane T=-78°C; Further stages. Title compound not separated from byproducts.;