Novel Strategies in C-H Oxidations for Natural Product Diversification—A Remote Functionalization Application Summary

Frontiers in Chemistry - Tập 9
Junrong Huang1,2, Min Yang1, Chuan Dai1, Yajun Zhou1, Huilong Fang3, Lizhi Zhu3,1, Feng Yin2,4, Zigang Li2,4
1Department of Pharmacy, Shenzhen Second People?s Hospital (Shenzhen Institute of Translational Medicine), The First Affiliated Hospital of Shenzhen University, China
2Shenzhen Bay Laboratory, Pingshan Translational Medicine Center, China
3Department of Pathogenic Biology and Immunology, Xiangnan University, China
4State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, China

Tóm tắt

Selectively activating the distal inactive C-H bond for functionalization is one of the on-going challenge in organic synthetic chemistry. In recent years, benefiting from the development of selective synthesis methods, novel methodologies not only make it possible to break non-traditional chemical bonds and attain more diversity in inactive sites, but also provide more possibilities for the diversification of complex natural products. Direct C-H bond functionalization approaches make it feasible to explore structure-activity relationship (SAR), generate metabolites and derivatives, and prepare biological probes. Among them, direct oxidation of inert C-H bonds is one of the most common methods for natural product diversification. In this review, we focus on the application of remote functionalization of inert C-H bonds for natural products derivatization, including the establishment of oxidation methods, the regulation of reaction sites, and the biological activities of derivatives. We highlight the challenges and opportunities of remote functionalization of inert C-H bonds for natural product diversification through selected and representative examples. We try to show that inert C-H bond oxidation, properly regulated and optimized, can be a powerful and efficient strategy in both synthetic and medicinal chemistry.

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Frontiers in Chemistry

Tập 9

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