Naturalproductman’s Blog

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Archive for the ‘Asymmetric’ Category

Diyne desymmetrization

Posted by naturalproductman on May 21, 2013

Ulrich Hennecke and co-workers at the Universitat Munster have reported in JAC on a desymmetrization of a diyne.

Diyne

JACS paper

Posted in Alkaloids, Asymmetric, Cascade Reactions, Methodology, Organocatalytic | Leave a Comment »

Desymmetrizing oxetanes

Posted by naturalproductman on May 21, 2013

Jianwei Sun and co-workers from the Hong Kong University of Science and Technology have reported in ACIE on a desymmetrization of oxetanes using a phosphoric acid catalyst.

desymmetrization

ACIE paper

Posted in Asymmetric, Desymmetrization, Methodology | Leave a Comment »

Transtaganolide syntheses

Posted by naturalproductman on May 17, 2013

Brian Stoltz and co-workers have reported in ACIE on the syntheses of transtaganolides through an Ireland-Claisen rearrangement/Diels-Alder cascade.

ICR/DA

ACIE paper

Posted in Asymmetric, Cascade Reactions, Claisen rearrangement, Diels-Alder, Methodology, Named Reactions, Sesquiterpenes, Total Synthesis | Leave a Comment »

Cinchona alkaloid catalyzed proton transfer

Posted by naturalproductman on May 14, 2013

Jin-Pei Cheng and co-workers from Nankai University have reported in JACS on a biomimetic proton transfer.

biomimetic

JACS paper

Posted in Asymmetric, Methodology, Organocatalytic | Leave a Comment »

Hypervalent iodine promoted aryl shift

Posted by naturalproductman on May 10, 2013

Thomas Wirth and co-workers at Cardiff University have reported in ACIE on a hypervalent iodine reagent promoted migration of an aryl group.

iodine

ACIE paper

Posted in Asymmetric, Hypervalent Iodine, Methodology | Leave a Comment »

Aspidophytine synthesis

Posted by naturalproductman on May 9, 2013

Fayang Qiu and co-workers at Chinese Academy of Sciences have reported in ACIE on a synthesis of aspidophytine.

alkaloid

ACIE paper

Posted in Alkaloids, Asymmetric, Methodology | Leave a Comment »

DYKAT

Posted by naturalproductman on May 9, 2013

Jeffrey Johnson and co-workers at UNC have reported in Org Lett on a dynamic kinetic resolution.

KR

OL paper

Posted in Asymmetric, Friedel-Crafts, Kinetic resolution, Methodology, Named Reactions | Leave a Comment »

Ni-catalyzed acyl cross-coupling

Posted by naturalproductman on May 9, 2013

Sarah Reisman and co-workers have reported in JACS on a Ni-catalyzed coupling of an aryl chloride and acyl chloride.

Ni

JACS paper

Posted in Asymmetric, Methodology, Nickel, Transition Metal | Leave a Comment »

[3,3]-Sigmatropic

Posted by naturalproductman on May 9, 2013

Laszlo Kurti and co-workers from UT Southwestern have reported in JACS on a [3,3]-sigmatropic rearrangement approach to access BINAM derivatives using a phosphoric acid catalyst.

organocatalyst

JACS paper

Posted in Asymmetric, Computational, DFT, Methodology, Organocatalytic | Leave a Comment »

Which point group is that organocatalyst?

Posted by naturalproductman on May 7, 2013

Hiromichi Fujioka and co-workers from Osaka University have reported in Organic Letters on a kinetic resolution of a  bromo-carboxylic acid using a C3-symmetric organocatalyst.

C3

OL paper

Posted in Asymmetric, Methodology, Organocatalytic | Leave a Comment »

 
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