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Updated: Jun 17, 2026

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products

Published on: October 4, 2019

Bis-spirolabdane-type diterpenoids from Leonurus sibiricus.

Hyun Teak Moon¹, Qinglong Jin, Ji Eun Shin

¹College of Pharmacy, Chosun University, Gwangju 501-759, Republic of Korea.

Journal of Natural Products

|January 12, 2010

Summary

Six novel bis-spirolabdane diterpenoids were isolated from Leonurus sibiricus. Structural elucidation was achieved using advanced nuclear magnetic resonance (NMR) spectroscopic techniques.

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Last Updated: Jun 17, 2026

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products

A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products

Published on: October 4, 2019

Area of Science:

Natural Product Chemistry
Organic Chemistry
Phytochemistry

Background:

Leonurus sibiricus is a plant species known for its diverse chemical constituents.
Diterpenoids represent a significant class of natural products with various biological activities.
Previous research has identified various compounds from the Leonurus genus.

Purpose of the Study:

To isolate and characterize new chemical entities from the aerial parts of Leonurus sibiricus.
To elucidate the structures of novel bis-spirolabdane-type diterpenoids.
To contribute to the understanding of the phytochemical diversity of Leonurus sibiricus.

Main Methods:

Extraction of compounds from the aerial parts of Leonurus sibiricus.
Isolation of six new bis-spirolabdane-type diterpenoids.
Structure determination using comprehensive spectroscopic analyses, including 1D and 2D NMR (¹H-¹H COSY, HSQC, HMBC, NOESY).

Main Results:

Six new bis-spirolabdane-type diterpenoids were successfully isolated and identified: leosibirinone A (1), 3α-acetoxyleoheteronone C (2), leosibirinone B (3), 3α-hydroxyleoheteronone A (4), 3α-acetoxyleoheteronone E (5), and 3α-acetoxy-15-epileoheteronone E (6).
The structures were confirmed through detailed analysis of nuclear magnetic resonance (NMR) data.

Conclusions:

The study successfully identified six new bis-spirolabdane-type diterpenoids from Leonurus sibiricus.
The structural elucidation relied on advanced NMR spectroscopic methods.
This discovery expands the known chemical diversity of diterpenoids from this plant species.