Naturalproductman’s Blog

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Archive for the ‘Asymmetric’ Category

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 »

Omaezallene

Posted by naturalproductman on March 14, 2014

Tatsufumi Okino and co-workers from Hokkaido University have reported in ACIE on the synthesis of omaezallene.

omaezallene

ACIE paper

Posted in Allenes, Asymmetric, Methodology, Total Synthesis | Leave a Comment »

Frondosins A and B syntheses

Posted by naturalproductman on March 10, 2014

Dennis Wright and co-workers from the University of Connecticut have reported in JACS on the syntheses of frondosins A and B.

frondosin

JACS paper

Posted in Asymmetric, Methodology, Sesquiterpenoids, Total Synthesis | Leave a Comment »

Lyconadins A and C syntheses

Posted by naturalproductman on March 10, 2014

Mingji Dai and co-workers from Purdue have reported in ACIE on the syntheses of lyconadins A and C.

lyconadins A and C

ACIE paper

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

Posted by naturalproductman on March 7, 2014

Tsutomu Katsuki and co-workers at Kyushu University have reported on a ruthenium catalyzed kinetic resolution of racemic secondary alcohols via oxidation.

ruthenium

ACIE paper

Posted in Asymmetric, Kinetic resolution, Methodology, Ruthenium, Transition Metal | Leave a Comment »

17-Deoxyprovidencin synthesis

Posted by naturalproductman on March 7, 2014

Johann Mulzer and co-workers have reported in ACIE on the synthesis of 17-deoxyprovidencin.

17-deoxyprovidencin
ACIE paper

Posted in Asymmetric, Light Mediated, Methodology, Total Synthesis | Leave a Comment »

Hydroarylation asymmetrically

Posted by naturalproductman on December 27, 2013

Nicolai Cramer and co-workers have reported in ACIE on a rhodium catalyzed enantioselective hydroarylation.

hydroarylation

ACIE paper

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

Asymmetric [2+2]

Posted by naturalproductman on November 15, 2013

Thorsten Bach and colleague have reported in Science on a Lewis acid catalyzed [2+2] reaction.

 

Science paper

Posted in Asymmetric, Cascade Reactions, Cycloaddition, Methodology, Pericyclic reactions, [2+2] | 1 Comment »

Asperolide C synthesis

Posted by naturalproductman on September 27, 2013

Erick Carreira and co-workers have reported in ACIE on a synthesis of asperolide C using an iridium catalyzed poly-ene cascade cyclization.

Ir

ACIE paper

Posted in Asymmetric, Cascade Reactions, Iridium, Methodology, Total Synthesis, Transition Metal | Leave a Comment »

Asymmetric gold catalysis

Posted by naturalproductman on August 30, 2013

Huw Davies and colleague have reported in JACS on an asymmetric gold catalyzed [3+2] reaction.

3+2

JACS paper

Posted in Asymmetric, Cascade Reactions, Gold, Methodology, Transition Metal | Leave a Comment »

 
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