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11 - Combustible Solids
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WGK 3
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Ke Shen et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 16(12), 3736-3742 (2010-02-23)
A direct catalytic asymmetric aldol-type reaction of 3-substituted-2-oxindoles with glyoxal derivatives and ethyl trifluoropyruvate, catalyzed by a chiral N,N'-dioxide-Sc(OTf)(3) (Tf = trifluoromethanesulfonyl) complex, has been developed that tolerates a wide range of substrates. The reaction proceeds in good yields and
Zhigang Yang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 16(22), 6632-6637 (2010-04-22)
A highly enantioselective alpha-amination of 3-substituted oxindoles with azodicarboxylates catalyzed by a chiral Sc(OTf)(3)/N,N'-dioxide complex (Tf: triflate) has been developed and affords the corresponding 3-amino-2-oxindole derivatives in high yields (up to 98%) with excellent enantioselectivities (up to 99% ee). The
G Mannaioni et al.
British journal of pharmacology, 125(8), 1751-1760 (1999-01-14)
1. The aim of the present work was to investigate the electrophysiological effects of oxindole, a tryptophan metabolite present in rat blood and brain, and recently proposed as a contributing factor in the pathogenesis of hepatic encephalopathy. 2. Using rat
Oxindole in pathogenesis of hepatic encephalopathy.
F Moroni et al.
Lancet (London, England), 351(9119), 1861-1861 (1998-07-04)
P B Bergqvist et al.
Pharmacology & toxicology, 85(3), 138-143 (1999-10-16)
It has previously been shown that the neurodepressant L-tryptophan metabolite oxindole is increased in the blood and brain of rats with fulminant hepatic failure and in the blood of cirrhotic patients affected by chronic hepatic encephalopathy. In the present investigation
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