Author:
Kuhn Stephen J.,McIntyre John S.
Abstract
The proton magnetic resonance spectra of dimethylformamide – proton acid and dimethyl-formamide – silver salt complexes in 2-nitropropane solution as well as N-methylformamide-HCl and HBr adducts in tetramethylene sulfone solution have been investigated. The results indicate that the protonation takes place on the carbonyl oxygen. For most of the acids investigated, the acid strength correlates with shifts of both the methyl proton and the proton complexed at the carbonyl oxygen. The dimethylformamide – silver salt complexes have a structure similar to the DMF – Lewis acid or protonating acid adducts.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
33 articles.
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