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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Metal Triflates: Efficient Catalysts for Oxa-Pictet-Spengler Reaction

Author(s): Benaissa Bouguerne, Christian Lherbet and Michel Baltas

Volume 7, Issue 6, 2010

Page: [420 - 423] Pages: 4

DOI: 10.2174/157017810791824883

Price: $65

Abstract

A screening of different metal triflates as catalysts was performed to get isochromans through an oxa-Pictet- Spengler reaction. Good to high yields were obtained for various aliphatic or aromatic aldehydes and β-arylethanols. A mechanism involving catalysis by in situ liberated triflic acid to catalyse the isochroman ring formation is proposed.

Keywords: Metal triflate, oxa-Pictet-Spengler, catalysis

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