Diastereoselective Synthesis of Enantioenriched Trifluoromethylated Ethylenediamines and Isoindolines Containing Two Stereogenic Carbon Centers by Nucleophilic Trifluoromethylation Using HFC-23
- 19 June 2020
- journal article
- research article
- Published by American Chemical Society (ACS) in The Journal of Organic Chemistry
- Vol. 85 (12), 7976-7985
- https://doi.org/10.1021/acs.joc.0c00796
Abstract
Fluoroform, HFC-23, is an industrial byproduct from the synthesis of polytetrafluoroethylene and is a vastly underused resource; however, its physicochemical properties have hindered progress toward synthetic uses. Herein, we describe the use of HFC-23 as a cheap trifluoromethylating agent in two reactions for the highly diastereoselective synthesis of medicinally attractive chiral amines with two stereogenic carbon centers: a base-dependent, stereodivergent nucleophilic addition to synthesize enantioenriched vicinal diamines and a tandem nucleophilic addition/aza-Michael sequence toward enantioenriched isoindolines.Funding Information
- Asahi Glass Foundation
- Japan Society for the Promotion of Science (JP18H02553, JP18H04401)
- Tosoh Finechem Corporation
This publication has 46 references indexed in Scilit:
- Contribution of Organofluorine Compounds to PharmaceuticalsACS Omega, 2020
- Modern Approaches for Asymmetric Construction of Carbon–Fluorine Quaternary Stereogenic Centers: Synthetic Challenges and Pharmaceutical NeedsChemical Reviews, 2018
- Progress in copper-catalyzed trifluoromethylationBeilstein Journal of Organic Chemistry, 2018
- Applications of Fluorine in Medicinal ChemistryJournal of Medicinal Chemistry, 2015
- Recent Advances in Trifluoromethylation Reactions with Electrophilic Trifluoromethylating ReagentsChemistry – A European Journal, 2014
- Recent progress in transition-metal-catalyzed trifluoromethylation of olefins using electrophilic CF3 reagentsJournal of Fluorine Chemistry, 2014
- Trifluoromethyltrimethylsilane: Nucleophilic Trifluoromethylation and BeyondChemical Reviews, 2014
- Recent advances in transition metal-catalyzed Csp2-monofluoro-, difluoro-, perfluoromethylation and trifluoromethylthiolationBeilstein Journal of Organic Chemistry, 2013
- Fluorine in medicinal chemistryChemical Society Reviews, 2007
- Synthetic methods and reactions. 141. Fluoride-induced trifluoromethylation of carbonyl compounds with trifluoromethyltrimethylsilane (TMS-CF3). A trifluoromethide equivalentJournal of the American Chemical Society, 1989