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. 2019 Aug 14;15:1945–1961. doi: 10.3762/bjoc.15.190

Scheme 3.

Scheme 3

Mechanistic rationale for the generation of the sesquiterpene hydrocarbons δ-cadinene (14), α-copaene (7), β-copaene (8), α-cubebene (10) and β-cubebene (11) via (S)-(−)-germacrene D after feeding isolated exocarp of grapes using the stable isotope-labeled precursor [5,5-2H2]-1-deoxy-ᴅ-xylulose (d2-DOX).