Organic and Biomolecular Chemistry 2005-Feb
Biosynthesis of irregular diterpenes in Anisotome lyallii by head-to-head coupling of geranyl diphosphate.
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Keywords
Abstract
Anisotomenes, bicyclic irregular diterpenes found in the genus Anisotome(family Apiaceae), are shown to be products of a unique biosynthetic pathway, involving head-to-head coupling of two geranyl diphosphate units. (13)C labelling studies with [1-(13)C]-glucose on plantlets of A. lyallii also revealed that the isoprene subunits were formed via the MEP pathway. The in vitro-cultured plant material also yielded a new irregular, linear diterpene alcohol, that shares the same biosynthetic pathway.