Boron trifluoride catalysed reactions of 2,2,2-trichloroethyl 6-diazopenicillanate with aromatic aldehydes: rearrangements via penam c(5)-c(6) bond cleavage.
作者:Vincent J. Jephcote、D.Ivor John、Peter D. Edwards、Kong Luk、David J. Williams
DOI:10.1016/s0040-4039(01)81325-3
日期:1984.1
The BF3·Et2O catalysed reactions of diazopenicillanate 1 with aromatic aldehydes provide 2,3-dihydrothiazolo[2,3-b][1,3]oxazin-5-ones 4 C(5)-C(6) cleavage of 6-formyl-penicillanates 8.