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'Enantioselectivity' in keywords
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1998 (2)
1Author    Henri Brunner, Bernd HaßlerRequires cookie*
 Title    Enantioselective Catalysis, 122 [1] Synthesis of New Optically Active 3.5-DinitrosalicyloxazoIines  
 Abstract    New optically active 3,5-dinitrosalicyloxazo-lines, derived from 3,5-dinitrosalicylonitrile and the chiral aminodiols (lS,2S)-(+)-2-am ino-l-phe-nyl-l,3-propanediol, (2S)-(-)-2-amino-l,l,4,4-te-traphenyl-l,4-butanediol and (2S)-(-)-2-amino-l,l-diphenyl-l,3-butanediol, were prepared and used as in situ catalysts for enantioselective cyclo-propanation reactions. 
  Reference    (Z. Naturforsch. 53b, 126—128 [1998]; eingegangen am 27. O ktober 1997 3.) 
  Published    1998 
  Keywords    5-Dinitrosalicyloxazolines, Enantioselectivity, Catalysis, Cyclopropanations 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-0126_n.pdf 
 Identifier    ZNB-1998-53b-0126_n 
 Volume    53 
2Author    Henri Brunner, Bernd HaßlerRequires cookie*
 Title    Enantioselective Catalysis, 120 [1] New Optically Active Pyrrole-oxazolines  
 Abstract    14 new optically active pyrrole-oxazolines were synthesised from 2-pyrrole-carbonitrile or methyl 2-pyrrole-carboximidate and chiral amino alcohols. Their use in copper-catalysed enan­ tioselective cyclopropanation reactions gave only low optical yields (3-14%ee). 
  Reference    Z. Naturforsch. 53b, 476—480 (1998); received January 12 1998 
  Published    1998 
  Keywords    Pyrrole-oxazolines, Enantioselectivity, Catalysis, Cyclopropanations 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-0476.pdf 
 Identifier    ZNB-1998-53b-0476 
 Volume    53