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Organic Letters

Organic Letters

IF: 4.9
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Copper(II)-Catalyzed Selective Reductive Methylation of Amines with Formic Acid: An Option for Indirect Utilization of CO2

Published:6 March 2017 DOI: 10.1021/acs.orglett.7b00551 PMID: 28263072
Chang Qiao, Xiao-Fang Liu, Xi Liu, Liang-Nian He*

Abstract

A copper-catalyzed protocol for reductive methylation of amines and imine with formic acid as a C1 source and phenylsilane as a reductant is reported for the first time, affording the corresponding methylamines in good to excellent yields under mild conditions. This protocol offers an alternative method for indirect utilization of CO2, as formic acid can be readily obtained from hydrogenation of CO2.

Synthesis

Formaldehyde
Butylamine
N,N-Dimethylaminobutane

Substances (4)

Related products
Procduct Name CAS Molecular Formula Supplier Price
Formic acid 64-18-6 CH2O2 1166 suppliers $22.13-$5923.38
Copper 7440-50-8 Cu 491 suppliers $5.00-$129520.00
Phenylsilane 694-53-1 C6H8Si 262 suppliers $17.47-$4240.00
Carbon dioxide 124-38-9 CO2 130 suppliers $214.00-$4290.25

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