Photochemical formation and some chemical properties of 2,6-diazabicyclo[2.2.0]-hexane-3,5-diones from pyrimidinium-4-olates. A new approach to novel bis(β-lactams)
作者:Hans Gotthardt、Karl-Heinz Schenk
DOI:10.1039/c39860000687
日期:——
The pyrimidinium-4-olates of type (1) or (3) are photochemically isomerized into the novelbis(β-lactams)(2) or (4), respectively, and the bis(β-lactam)(2a) could be further converted into two monocyclic β-lactams.