biostudies-literatureOrtiz-Marciales MNIGMS NIH HHS3447-9https://www.ebi.ac.uk/biostudies/studies/S-EPMC2811074biostudies-literatureUnknown5(19)[reaction: see text] Representative B-butyl- and B-methyl-1,3,2-oxazaborolidines derived from ephedrine and norephedrine were prepared in good yield and excellent purity by one-pot treatment of B-H oxazaborolidines with the corresponding organolithium reagent and subsequent hydrolysis of the cyclic borohydride intermediate with anhydrous ammonium chloride.Organic lettersEfficient synthesis of B-alkylated oxazaborolidines derived from ephedrine and norephedrine.PMC2811074GM59829S06 GM008216-200016R15 GM059829-01GM08216S06 GM008216Gonzalez EMartinez JEspinosa SDe Jesus MFigueroa ROrtiz-Marciales MCorrea WfalseEfficient synthesis of B-alkylated oxazaborolidines derived from ephedrine and norephedrine.[reaction: see text] Representative B-butyl- and B-methyl-1,3,2-oxazaborolidines derived from ephedrine and norephedrine were prepared in good yield and excellent purity by one-pot treatment of B-H oxazaborolidines with the corresponding organolithium reagent and subsequent hydrolysis of the cyclic borohydride intermediate with anhydrous ammonium chloride.2003-01-01T00:00:00Z2003 Sep2025-04-05T11:31:36.083Z2019-03-26T22:30:10ZS-EPMC28110741296729610.1021/ol0352153