Lewis acid catalyzed rearrangements of structurally related α,β-unsaturated epoxy ketones and oximes. A complementary approach to the synthesis of isomeric 1,4-diketospiro[n,m] alkanes.
作者:Robert D. Bach、Mark W. Tubergen、Russell C. Klix
DOI:10.1016/s0040-4039(00)84850-9
日期:1986.1
Lewis acid catalyzed rearrangement of α,β-epoxy oximes proceeds by oxirane cleavage α to the oxime moiety with an attendant pinacol type alkyl migration to the resonance stabilized carbenium ion at Cα, affording a 1,3-diketo-monoxime.