Design of Brønsted Acid-Assisted Chiral Brønsted Acid Catalyst Bearing a Bis(triflyl)methyl Group for a Mannich-Type Reaction

A new Brønsted acid-assisted chiral Brønsted (chiral BBA) acid catalyst (1) was developed by substituting a hydroxy group of optically active 1,1‘-bi(2-naphthol) with a stronger Brønsted acidic group such as a bis(trifluoromethanesulfonyl)methyl group. The enantioselective Mannich-type reaction of k...

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Veröffentlicht in:	Organic letters 2006-07, Vol.8 (15), p.3175-3178
Hauptverfasser:	Hasegawa, Aiko, Naganawa, Yuki, Fushimi, Makoto, Ishihara, Kazuaki, Yamamoto, Hisashi
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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