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Archive for the ‘Cycloaddition’ Category

Fe-catalyzed [2+2]

Posted by naturalproductman on August 28, 2015

Paul Chirik and co-workers from Princeton have reported in Science on an iron catalyzed [2+2] cycloaddition.

Science paper

Posted in Cycloaddition, Iron, Transition Metal, [2+2] | Leave a Comment »

retro [2+2] by ultrasonication

Posted by naturalproductman on August 25, 2015

Jeffrey Moore and colleague at UIUC have reported in JACS on a retro Staudinger cycloaddition reaction. I am reminded of the retro-“click” paper.
2+2

JACS paper

Posted in Cycloaddition, Methodology | Leave a Comment »

[2+2] stereochemistry

Posted by naturalproductman on April 12, 2015

Thorsten Bach and co-workers at Technische Universität München have reported in JACS on the stereochemistry of some [2+2] reactions.

2+2
JACS paper

Posted in Light Mediated, Methodology, [2+2] | Leave a Comment »

[2+2] via oxazaborolidine

Posted by naturalproductman on March 22, 2015

M. Kevin Brown and co-workers at Indiana University have reported in JACS on an asymmetric [2+2] using an oxazaborolidine catalyst.

2+2

JACS paper

Posted in Asymmetric, Cycloaddition, Methodology, [2+2] | Leave a Comment »

Strained alkynes are in

Posted by naturalproductman on October 25, 2014

Rick Danheiser and colleague have reported in JACS on the synthesis of an aza-cyclohexyne to do the chemistries that other people have been doing with benzynes.

alkyne

JACS paper

Posted in Diels-Alder, Methodology, Named Reactions, [2+2] | Leave a Comment »

Palladium catalyzed decarboxylative cycloaddition

Posted by naturalproductman on August 30, 2014

Yong Jian Zhang and co-workers at Shanghai Jiao Tong University have reported in ACIE on a palladium catalyzed decarboxylative cycloaddition.

palladium

ACIE paper

Posted in Cascade Reactions, Cycloaddition, Methodology, Palladium, Transition Metal | 1 Comment »

Palladium catalyzed decarboxylative cycloaddition

Posted by naturalproductman on August 30, 2014

Yong Jian Zhang and co-workers at Shanghai Jiao Tong University have reported in ACIE on a palladium catalyzed decarboxylative cycloaddition.

palladium

ACIE paper

Posted in Cascade Reactions, Cycloaddition, Methodology, Palladium, Transition Metal | Leave a Comment »

Dictazole synthesis

Posted by naturalproductman on May 13, 2014

Grey Erwan Poupon and co-workers at CNRS have reported in ACIE on the synthesis of dictazole.

dictazole

ACIE paper

Posted in Alkaloids, Methodology, Total Synthesis, [2+2] | 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 »

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 »

 
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