Naturalproductman’s Blog

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Archive for the ‘Asymmetric’ Category

Pd pi-allyl

Posted by naturalproductman on November 8, 2014

Shu-Li You and co-workers at SIOC have reported in JACS on some mechanistic studies of a Pd pi-allyl chemistry.

pi allyl

JACS paper

Posted in Asymmetric, Mechanistic, Methodology, Named Reactions, Palladium, Transition Metal, Tsuji-Trost | Leave a Comment »

Asymmetric aza-Pinacol rearrangement

Posted by naturalproductman on November 4, 2014

Yong-Gui Zhou and co-workers at SIOC have reported in JACS on an asymmetric aza-Pinacol rearrangement.

asymmetric

JACS paper

Posted in Asymmetric, Aza-Pinacol, Cascade Reactions, Methodology, Named Reactions, Palladium, Ring expansion, Transition Metal | Leave a Comment »

Asymmetric metathesis

Posted by naturalproductman on September 8, 2014

Grubbs and colleagues have reported in JACS on their studies with asymmetric ring closing metathesis.

asymmetric

JACS paper

Posted in Asymmetric, Cascade Reactions, Metathesis, Methodology, Ring Opening | 1 Comment »

Organocatalytic epoxidation

Posted by naturalproductman on August 31, 2014

Philip Bulman Page and co-workers at the University of East Anglia have reported in Tetrahedron on an iminium catalyzed epoxidation.
epoxidation

Tetrahedron paper

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

Bislactone desymmetrization

Posted by naturalproductman on July 27, 2014

Jieping Zhu and co-workers have reported in ACIE on the synthesis of rhazinilam and leucomidine B.

desymmetrize

ACIE paper

Posted in Alkaloids, Asymmetric, C2-Symmetric, Cascade Reactions, Methodology, Organocatalytic | Leave a Comment »

Ileabethoxazole synthesis

Posted by naturalproductman on June 7, 2014

David Williams and colleague have reported in JACS on the synthesis of ileabethoxazole.

JACS paper

Posted in Asymmetric, Cascade Reactions, Methodology, Named Reactions, Pauson-Khand, Total Synthesis | Leave a Comment »

Silylation of C-H bonds

Posted by naturalproductman on May 6, 2014

I like this silylation of a C-H bond using an iridium catalyst. Very interesting from the lab of John Hartwig at Berkeley.

Ir

JACS paper

Posted in Asymmetric, C-H activation, Iridium, Methodology, Transition Metal | Leave a Comment »

Access to axially chiral compounds

Posted by naturalproductman on May 2, 2014

Scott Miller and co-workers published in Nature on the bromination of a benzamide using a peptide derived catalyst.

 

Nature paper

Posted in Asymmetric, Axial Chirality, Methodology | Leave a Comment »

Asymmetric [2+2]

Posted by naturalproductman on April 25, 2014

Tehshik Yoon and co-workers published in Science on an enantioselective [2+2] reaction.

Science paper

Posted in Asymmetric, Cycloaddition, Light Mediated, Methodology, Pericyclic reactions, [2+2] | Leave a Comment »

Posted by naturalproductman on March 28, 2014

Hideko Koshima and co-workers from Ehime University have reported in JOC on an asymmetric photocyclization of crystals to form chiral cyclobutenols using a chiral counterion.

photocyclization

JOC paper

Posted in Asymmetric, Crystal Structure, Methodology | Leave a Comment »

 
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