103-83-3 Reaction of alkyl sulfoxides and phenylphosphinic acid with amines. Alternative reagents for secondary amines N-alkylation

Phenylphosphinic acid and dialkylsulfoxides are found to be alternative reagents for respectively the reducing reagent (formic acid) and the alkylating reagent (aldehyde) currently used for secondary amines N-alkylation. Primary amines do not react with this system, but phenylglycine is decarboxilated to benzylamine. https://www.lookchem.com/CASDataBase_103-83-3.htm

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