Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2009, Issue 22, Pages 3693-3697Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.200900548
Keywords
Chirality; Acidity; Sulfonamides; Organocatalysis
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Funding
- Deutsche Forschungsgemeinschaft (DFG)
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We are reporting the first synthesis of the new chiral Bronsted acid BINBAM [(R)-1,1'-binaphthyl-2,2'-bis(sulfon)amide, 21, which can be obtained in four steps from commercially available BINOL (5). The compound is expected to be an alternative for established catalysts like phosphoric acids of BINOL 4 or TRIP and to show stronger Bronsted acidity. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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