A barley diterpene synthase (HvKSL4) was found to produce (14)-cleistantha-8,12-diene (). Formation of the nearly planar cyclohexa-1,4-diene configuration leaves the ring poised for aromatization, but necessitates a deceptively complicated series of rearrangements steered through a complex energetic landscape, as elucidated here through quantum chemical calculations and labeling studies.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9040526 | PMC |
http://dx.doi.org/10.1021/acs.orglett.2c00680 | DOI Listing |
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