Bismuth triflate as a safe and readily handled source of triflic acid: Application to the oxa-pictet-spengler reaction
The oxa-Pictet-Spengler reaction with various aldehydes and-arylethanol yields 1-substituted-isochromans in the presence of bismuth triflate as catalyst in good yields. The method was extended to O,O-acetals to afford the corresponding 1,1-disubstituted-i
Bouguerne, Benaissa,Hoffmann, Pascal,Lherbet, Christian
experimental part
p. 915 - 926
(2010/05/01)
Metal triflates: Efficient catalysts for oxa-pictet-spengler reaction
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 catalys
Bouguerne, Benaissa,Lherbet, Christian,Baltas, Michel
experimental part
p. 420 - 423
(2011/09/13)
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