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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

New diterpenoids from Sapium discolor.

Hong-Bing Liu¹, Hua Zhang¹, Jin-Hai Yu¹

¹a State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai 201203 , China.

Journal of Asian Natural Products Research

|January 5, 2016

Summary

This summary is machine-generated.

Researchers isolated four new macrocyclic diterpenoids, sapidisins A-D, and a seco ent-kaurane diterpenoid from Sapium discolor. This discovery offers insights into the biogenetic evolution of tigliane-type diterpenoids in Sapium species.

Keywords:

Macrocyclic diterpenoid Sapium discolor casbane cembrane ent-kaurane

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Area of Science:

Natural Product Chemistry
Phytochemistry
Organic Chemistry

Background:

Sapium species are known to produce diverse diterpenoids.
Macrocyclic diterpenoids, particularly tigliane-type, are widely distributed in Sapium.
Understanding the chemical diversity and biogenesis of these compounds is of scientific interest.

Purpose of the Study:

To isolate and characterize novel compounds from Sapium discolor.
To investigate the chemical constituents of the ethanolic extract of Sapium discolor twigs and leaves.
To explore the structural diversity of diterpenoids in the Sapium genus.

Main Methods:

Chemical fractionation of the ethanolic extract from Sapium discolor.
Isolation and purification of compounds using chromatographic techniques.
Structure elucidation using comprehensive spectroscopic analyses, including 1D NMR (1H-1H couplings) and 2D NMR ROESY data.

Main Results:

Four new macrocyclic diterpenoids, sapidisins A-C (casbane family) and sapidisin D (cembrane analog), were isolated.
A new 3,4-seco ent-kaurane diterpenoid was identified.
Eighteen known phenolic compounds were also isolated and identified.
Structures were confirmed through detailed spectroscopic analysis.

Conclusions:

The isolation of novel diterpenoids from Sapium discolor expands the known chemical diversity of this species.
The findings provide valuable clues for studying the biogenetic evolution of tigliane-type diterpenoids in Sapium.
This research contributes to the understanding of natural product chemistry and the potential of Sapium as a source of bioactive compounds.