User contributions for Subhasish Biswas

21 March 2012

• 09:3009:30, 21 March 2012 diff hist +4,920 Talk:Todd:Catalytic, Asymmetric Pictet-Spengler Reaction →Lewis Acids

14 February 2012

• 14:2914:29, 14 February 2012 diff hist +76 Talk:Todd:Catalytic, Asymmetric Pictet-Spengler Reaction →General Comments, either on science or the review more broadly
• 14:1914:19, 14 February 2012 diff hist 0 File:2011 Waldmann Angew.png uploaded a new version of "Image:2011 Waldmann Angew.png": first example of ps rection current

13 February 2012

• 14:2814:28, 13 February 2012 diff hist +1,014 Todd:Catalytic, Asymmetric Pictet-Spengler Reaction No edit summary
• 14:1514:15, 13 February 2012 diff hist +28 N File:2011 Waldmann Angew.png first example of ps reactiop

10 February 2012

• 15:0915:09, 10 February 2012 diff hist 0 File:2008 Jacobsen OL.png uploaded a new version of "Image:2008 Jacobsen OL.png": Reverted to version as of 04:01, 20 January 2012 current
• 15:0415:04, 10 February 2012 diff hist +110 N File:2005 Sui JMC.png potent and selective pyrimidinyl pyrroloquinolone PDE5 inhibitors were synthesised and evaluated for activity. current
• 14:4214:42, 10 February 2012 diff hist +40 N File:2007 Jacobsen JACS2.png Asymmetric Cyclization of Hydroxylactams current
• 14:2714:27, 10 February 2012 diff hist +89 N File:2007 Tanner Biochem.png Enzymatic Pictet-Spengler Reaction with norcoclaurine synthase and strictosidine synthase current

9 February 2012

• 15:0015:00, 9 February 2012 diff hist 0 File:2008 Jacobsen OL.png uploaded a new version of "Image:2008 Jacobsen OL.png": Thiourea-catalyzed reactions of N-acyliminium ions have thus been extended to the regio- and enantioselective cyclization of pyrrolohydroxylactams
• 14:3714:37, 9 February 2012 diff hist +125 N File:2010 Zhao OL.png an operationally simple diastereoselective cascade sequence for the preparation of indolo[2,3-R]quinolizidines was developed. current
• 14:2714:27, 9 February 2012 diff hist +109 N File:2011 Bernardi ASC.png the first catalytic asymmetric Pictet– Spengler reaction using isatins as carbonyl components was developed current

8 February 2012

• 15:5615:56, 8 February 2012 diff hist +240 N File:2011 Rueping ASC.png 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. current
• 15:3715:37, 8 February 2012 diff hist 0 File:2011 Tian OL.png uploaded a new version of "Image:2011 Tian OL.png": 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. current
• 15:3015:30, 8 February 2012 diff hist +187 N File:2011 Tian OL.png 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.
• 15:1715:17, 8 February 2012 diff hist +150 N File:2011 Volla RSC Ad.png a highly efficient and diastereoselective one-pot reaction of tryptamine with 1,3- dicarbonyl compounds and unsaturated aldehydes have been developed. current
• 14:5714:57, 8 February 2012 diff hist +58 N File:2012 Sto¨ckigt JACS.png enzymatic catalysis leading to Piperazino-indole Framework current
• 14:2914:29, 8 February 2012 diff hist +820 N File:Pictet1.docx 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 current

6 February 2012

• 15:0715:07, 6 February 2012 diff hist +135 Talk:Todd:Catalytic, Asymmetric Pictet-Spengler Reaction No edit summary

23 January 2012

• 03:0903:09, 23 January 2012 diff hist +3,212 N User talk:Subhasish Biswas No edit summary current
• 03:0903:09, 23 January 2012 diff hist +1,723 N User:Subhasish Biswas No edit summary current