HOFFMAN, ROBERT V.;KIM, HWA-OK, TETRAHEDRON LETT., 31,(1990) N1, C. 2953-2956
作者:HOFFMAN, ROBERT V.、KIM, HWA-OK
DOI:——
日期:——
The preparation of 2-hydrazinyl esters in high optical purity from 2-sulfonyloxy esters
作者:Robert V Hoffman、Kim Hwa-Ok
DOI:10.1016/s0040-4039(00)88996-0
日期:——
chiral 2-hydroxy esters, react enantiospecifically wilh BocNHNH2 to produce optically pure 2-hydrazinyl ester derivatives in high yields. The reaction of 2-nosyloxy esters with BocNHNH2 gives 2-(Bochydrazinyl) esters, thus providing an efficient (albeit slow) method for the conversion of esters to 2-hydrazinyl ester derivatives.