Diterpenoids from isodon eriocalyx
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Updated: Oct 20, 2026

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
1Shanghai Institute of Materia Medica, Academia Sinica, Shanghai 200031, People's Republic of China, Laboratory of Phytochemistry, Kunming Institute of Botany, Academia Sinica, Kunming 650204, People's Republic of China, and Department of.
Abstract:
Three new diterpenoids, eriocalyxins C-E (1-3), were isolated from Isodon eriocalyx. Their structures were elucidated as 6beta-hydroxy-15beta-acetoxy-3alpha,20-epoxy-16beta, 17-epoxy-ent-kaur-1,7-dione (1), 1alpha,7beta-dihydroxy-6beta, 15beta-diacetoxy-7,20-epoxy-ent-kaur-16-ene (2), and 15beta-acetoxy-1,6-dioxo-6,7-seco-ent-kaur-2,16-dien-7,20-olide (3), respectively, by means of spectroscopic methods, including one- and two-dimensional NMR techniques.
