1,1-Aminoalcohols startg

Startg. aminoalcohol stirred overnight at room temp, with 1.05 moles SOClg and ca. 2.1 moles triethylamine in hexane -> 3-/erf-butyl-5,5-diphenyl-l,2,3-oxathiazo-lidine S-oxide. Y 97%. F. e., also in benzene, and stereoisomers, s. J. A. Deyrup and C. L. Moyer, J. Org. Chem. 34, 175 (1969). 

Indoline allowed to react 2 hrs. at 0° with N-methyl-N-tosylpyrrolidinium per-dilorate in methylene chloride N-tosylindoline. Y 96.7%. - Similarly selective N-tosylation Startg. aminoalcohol -> N-tosyl deriv. Y 80%. F. e. s. T. Oishi et al., Chem. Commun. 1972, 1148. 

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