Decarboxylation of pyroglutamic acids with P2O5/CH3SO:3H: A general synthesis of 5-aryl-2-pyrrolidinones

DOI: 10.1016/S0040-4039(01)93422-7

Source and publish data:

Tetrahedron Letters p. 7057 - 7060 (1989)

Update date:2022-08-05

Topics:

Authors:

Rigo Rigo

Fasseur Fasseur

Cherepy Cherepy

Couturier

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Article abstract of DOI:10.1016/S0040-4039(01)93422-7

Treatment of pyroglutamic acids with acyl-activating reagents (P₂O₅/CH₃SO₃H, PPE....), possibly in the presence of triethylamine, yields acyl iminium salts, that can react in-situ with aromatic compounds to give

Full text of DOI:10.1016/S0040-4039(01)93422-7

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