74481-09-7Relevant articles and documents
Preparation of 6α-Monosubstituted and 6,6-Disubstituted Penicillanates from 6-Diazopenicillanates: Reactions of 6-Diazopenicillanates with Alcohols, Thiols, Phenylseleninyl Compounds, and Allylic Sulphides, and their Analogues
Giddings, Peter J.,John, D. Ivor,Thomas, Eric J.
, p. 2757 - 2766 (2007/10/02)
Reactions of 6-diazapenicillanates (1) and (2) with a range of compounds, in some cases catalysed by BF3-Et2O or Cu(acac)2, have been investigated, and found to be useful for the synthesis of 6α-monosubstituted and 6,6-disubstituted penicillanates.Thus th