Rhodium carbenoid mediated cyclisations. Use of ethyl lithiodiazoacetate in the preparation of ω-hydroxy-,-mercapto-, and -boc-amino-α-diazo-β-keto esters
作者:Christopher J. Moody、Roger J. Taylor
DOI:10.1016/s0040-4039(00)96727-3
日期:1987.1
Reaction of ethyl lithiodiazoacetate with lactones, thiolactones, and lactams (1, 4, 8) gives the diazo-compounds (2, 5, 9), substrates for rhodiumcarbenoidcyclisation reactions.