Structural elucidation of two intricate polycyclic polyprenylated acylphloroglucinols using quantum chemical calculations and their hypoglycemic activities

Review Biochemistry & Molecular Biology

A critical review on the use of DP4+in the structural elucidation of natural products: the good, the bad and the ugly. A practical guide

Maribel O. Marcarino et al.

Summary: This study discusses the use of DP4+ in the elucidation of natural product structures, highlighting both its strengths and weaknesses, and providing recommendations on how to obtain optimal results. Research shows that DP4+ plays a significant role in resolving disputed natural product structures.

NATURAL PRODUCT REPORTS (2022)

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Article Chemistry, Multidisciplinary

Minimizing the risk of deducing wrong natural product structures from NMR data

Darcy C. Burns et al.

Summary: There is a concerning number of inaccuracies in the structural elucidation of natural products due to limited nuclear magnetic resonance training among natural product chemists. This tutorial aims to address these issues, highlight common errors, and provide guidance on avoiding such mistakes to minimize the risk of reporting incorrect structures.

MAGNETIC RESONANCE IN CHEMISTRY (2021)

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Article Plant Sciences

Structural Elucidation of Garcipaucinones A and B From Garcinia paucinervis Using Quantum Chemical Calculations

Xue Tan et al.

Summary: Two novel natural tocotrienol derivatives were isolated from the fruit of Garcinia paucinervis, with their structures and configurations determined. These compounds feature unique structures and exhibit antiproliferative and anti-inflammatory activities.

JOURNAL OF NATURAL PRODUCTS (2021)

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Article Plant Sciences

Reisolation and Structure Revision of Asperspiropene A

Van Anh Cao et al.

Summary: In the course of ongoing research for novel marine natural products, a compound 1 with identical NMR data to asperspiropene was isolated, leading to a revision of the structure of asperspiropene A and determination of its absolute configuration through detailed spectroscopic analysis.

JOURNAL OF NATURAL PRODUCTS (2021)

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Article Food Science & Technology

Structural characterization of polysaccharide from Centipeda minima and its hypoglycemic activity through alleviating insulin resistance of hepatic HepG2 cells

Juncheng Chen et al.

Summary: A novel polysaccharide (CMP-2B) was extracted and purified from Centipeda minima, showing significant antioxidant and hypoglycemic activities.

JOURNAL OF FUNCTIONAL FOODS (2021)

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Review Chemistry, Medicinal