Biosynthesis of illudin sesquiterpenoids from [1,2-13C2]acetate
Abstract
The coupling pattern of illudin M and S, derived from [1,2-13C2]acetate, and the induced coupling from [1-13C]acetate, support their biosynthesis from farnesyl pyrophosphate; the illudin M–isoilludin M rearrangement has been shown to be a 1 : 2 methyl shift rather than a pinacolic rearrangement.