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Start Over Author "Yamazaki, Aru" Topic pictet-spengler reaction
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1. Synthesis of tetrahydroisoquinolines and isochromans via Pictet–Spengler reactions catalyzed by Brønsted acid–surfactant-combined catalyst in aqueous media

Author

Saito, Akio, Takayama, Masaki, Yamazaki, Aru, Numaguchi, Junko, and Hanzawa, Yuji

Subjects
*TETRAHYDROISOQUINOLINES, *CHEMICAL reactions, *CATALYSIS, *CATALYSTS
Abstract

Abstract: Perfluorooctanesulfonic acid (PFOSA), Brønsted acid–surfactant-combined catalyst, efficiently catalyzes the Pictet–Spengler reactions of β-arylethyl carbamate derivatives with aldehydes in water. The present reaction is accelerated by the addition of 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP). PFOSA in HFIP–water (10v/v%) is also successfully applied to the oxa-Pictet–Spengler reactions of β-arylethyl alcohol compounds. [Copyright &y& Elsevier]

Published
2007
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