Boron trifluoride catalysed reactions of 2,2,2-trichloroethyl-6-diazopenicillanate with ketones: preparation of novel 6β-acyl-6α-alkyl(aryl) penicillanates.
作者:V.J. Jephcote、D.I. John
DOI:10.1016/s0040-4039(01)81326-5
日期:1984.1
The BF3·Et2O catalysed reactions of the diazopenicillanate 1 with ketones provide novel 6-acyl-6-alkyl(aryl)penicillanates 2, together with thiazolooxazinones 6 formed via penam C(5)-C(6) cleavage reactions.