Synthesis
DOI: 10.1055/a-2511-4274
paper
Boryl Radical Chemistry

Synthesis of Trifluoromethyl-Substituted Cyclopentanes through Boron-Radical-Catalyzed Cycloaddition Reaction of Trifluoromethyl-Substituted Alkenes

Lulu Qin
a   Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, P. R. of China
,
Tao Yu
a   Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, P. R. of China
,
Zhengwei Ding
b   Department of Medicinal Chemistry, School of Pharmacy, Xi’an Jiaotong University, Xi’an 710061, P. R. of China
,
Min Zhao
a   Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, P. R. of China
,
Pengfei Li
a   Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, P. R. of China
c   School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, P. R. of China
› Author Affiliations

Financial support was provided by the National Natural Science Foundation of China (No. 22301237), the Natural Science Basic Research Program of Shaanxi Province (No. 2020JC-08), and the Fundamental Research Funds for the Central Universities (Nos. xtr072022003, xzy012022118).


Abstract

A highly efficient protocol for the synthesis of trifluoromethyl-substituted cyclopentanes, a structural motif ubiquitous in bioactive compounds and natural products, via boron-radical-catalyzed (3+2) cycloaddition of aroylcyclopropanes and trifluoromethyl-substituted alkenes was developed. Employing readily available precursors, this modular, atom-economical, metal-free, and operationally simple process was compatible with diverse functional groups, giving the products in generally good to high yields. Trifluoromethyl-substituted bicyclo[2.1.1]hexanes (BCHs) were analogously prepared.

Supporting Information



Publication History

Received: 29 November 2024

Accepted after revision: 07 January 2025

Accepted Manuscript online:
07 January 2025

Article published online:
14 February 2025

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