Uploads by Subhasish Biswas

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File list
Date Name Thumbnail Size Description
07:19, 14 February 2012 2011 Waldmann Angew.png (file) 85 KB first example of ps rection
08:09, 10 February 2012 2008 Jacobsen OL.png (file) 52 KB Reverted to version as of 04:01, 20 January 2012
08:04, 10 February 2012 2005 Sui JMC.png (file) 54 KB potent and selective pyrimidinyl pyrroloquinolone PDE5 inhibitors were synthesised and evaluated for activity.
07:42, 10 February 2012 2007 Jacobsen JACS2.png (file) 40 KB Asymmetric Cyclization of Hydroxylactams
07:27, 10 February 2012 2007 Tanner Biochem.png (file) 52 KB Enzymatic Pictet-Spengler Reaction with norcoclaurine synthase and strictosidine synthase
07:37, 9 February 2012 2010 Zhao OL.png (file) 26 KB an operationally simple diastereoselective cascade sequence for the preparation of indolo[2,3-R]quinolizidines was developed.
07:27, 9 February 2012 2011 Bernardi ASC.png (file) 40 KB the first catalytic asymmetric Pictet– Spengler reaction using isatins as carbonyl components was developed
08:56, 8 February 2012 2011 Rueping ASC.png (file) 34 KB a new efficient and general enantioselective multicomponent additioncyclization sequence using simple and commercially available starting materials such as cyclic 1,3-dicarbonyl compounds, unsaturated aldehydes and tryptamine was developed.
08:37, 8 February 2012 2011 Tian OL.png (file) 34 KB a new strategy to extend the catalytic asymmetric Pictet�Spengler reaction to the construction of nitrogen-containing heterocycles by replacing the aldehyde with an imine was developed.
08:17, 8 February 2012 2011 Volla RSC Ad.png (file) 26 KB a highly efficient and diastereoselective one-pot reaction of tryptamine with 1,3- dicarbonyl compounds and unsaturated aldehydes have been developed.
07:57, 8 February 2012 2012 Sto¨ckigt JACS.png (file) 45 KB enzymatic catalysis leading to Piperazino-indole Framework
07:29, 8 February 2012 Pictet1.docx (file) 44 KB Pictet(Ame Pictet)-spengler(Theodor Spengler) reaction is a chemical reaction (specifically cycloaddition) in which a β-arylethylamine is made to react with a carbonyl group in the presence of an acid catalyst. In 1911, these two chemists have prepared 1