反应详情

As directed by D. R. M. Walton and F. Waugh, J. Organomet. Chem. 37, 45 (1972), bis(trimethylsilyl)acetylene is acylated with cyclohexylacetic acid chloride and hydrolysed with aqueous/methanolic borax solution to 1-cyclohexyl-3-butyn-2-one. Reduction with (S)-B-(3-pinanyl)-9-borabicyclo[3.3.1]nonane ((S)-Alpine-Borane®, Aldrich, 88% ee) as directed by M. M Midland et al., Tetrahedron 40, 1371 (1984) yields 1-cyclohexyl-3-butyn-2(S)-ol.