Pictet-Spengler reactions in multiphasic supercritical carbon dioxide/CO2-expanded liquid media. In situ generation of carbamates as a strategy for reactions of amines in supercritical carbon dioxide

Chem Commun (Camb). 2005 Sep 21:(35):4465-7. doi: 10.1039/b508151c. Epub 2005 Aug 4.

Abstract

Acyl-Pictet-Spengler cyclizations can be achieved in scCO2/CO2-expanded liquid media via the in situ formation of carbamate derivatives of beta-arylethylamines.