Synthesis 2022; 54(03): 535-544
DOI: 10.1055/a-1661-6124
short review

Aerobic Oxidations via Organocatalysis: A Mechanistic Perspective

Yongtao Wang
a   Department of Chemistry and ZJU-NHU United R&D Center, Zhejiang University, 38 Zheda Road, Hangzhou, 310027, P. R. China
b   Center of Chemistry for Frontier Technologies, Zhejiang University, 38 Zheda Road, Hangzhou, P. R. China
,
Jia Yao
a   Department of Chemistry and ZJU-NHU United R&D Center, Zhejiang University, 38 Zheda Road, Hangzhou, 310027, P. R. China
,
Haoran Li
a   Department of Chemistry and ZJU-NHU United R&D Center, Zhejiang University, 38 Zheda Road, Hangzhou, 310027, P. R. China
c   State Key Laboratory of Chemical Engineering and College of Chemical and Biological Engineering, Zhejiang University, 38 Zheda Road, Hangzhou, P. R. China
› Author Affiliations
This work was supported by the Fundamental Research Funds for the Central Universities, and the National Natural Science Foundation of China (No. 22073081).


Abstract

This review focuses on recent advances and mechanistic views of aerobic C(sp3)–H oxidations catalyzed by organocatalysts, where metal catalysis and photocatalysis are not included.

1 Introduction

2 Carbanion Route: TBD-Catalyzed C(sp3)–H Oxygenation

2.1 α-Hydroxylation of Ketones

2.2 Carbonylation of Benzyl C(sp3)–H

3 Radical Route: NHPI-Catalyzed C(sp3)–H Oxidation

3.1 N-Oxyl Radicals and Mechanisms

3.2 Oxygenation of Benzyl C(sp3)–H

3.3 Solvent Effects

4 Hydride-Transfer Route: TEMPO-Catalyzed Oxidations

4.1 Oxoammonium Cation and Mechanisms

4.2 Dehydrogenation of Alcohols

4.3 Oxygenation of Benzyl C(sp3)–H

5 Conclusions and Outlook



Publication History

Received: 02 July 2021

Accepted after revision: 05 October 2021

Accepted Manuscript online:
05 October 2021

Article published online:
30 November 2021

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