Radical cyclisations onto 2(5H)-furanone and maleate electrophores leading to spiro- and linear-fused γ-lactone ring systems - Harrison, T.; Pattenden, G.; L. Myers, P. (Elsevier)
Radical cyclisations allow facile syntheses of spiro- and linear-fused γ-lactone ring systems found in the ginkgolides (1). | Radical cyclisations involving α-acetal methyl centres and2(5H)-furanone and maleate electrophores allow the facile syntheses of spiro- and linear-fused γ-lactone ring systems e.g. (6), (10), (14) and (19), found in the ginkgolides.
http://linkinghub.elsevier.com/retrieve/pii/S0040-4039(00)82137-1
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