Ruthenium(II) catalysed rearrangement of the natural cyclic peroxide G3; X-ray crystallographic structure determination of a butenolide derivative
Abstract
The natural cyclic peroxide G3 is rearranged in the presence of a RuII–tertiary phosphine complex, to an ene pentadione and to a bicyclic hemiacetal butenolide; the structures have been respectively assigned by CPG–MS analysis and X-ray studies.