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Archive for the ‘Cycloaddition’ Category

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 »

Harringtonolide synthesis

Posted by naturalproductman on August 9, 2013

Weiping Tang and co-workers from the University of Wisconsin have reported in JACS on a synthesis of harringtonolide from a [5+2] cycloaddition.

5+2

JACS paper

Posted in Cascade Reactions, Cycloaddition, Methodology, Pericyclic reactions, Total Synthesis | Leave a Comment »

Gold catalyzed [2+2]

Posted by naturalproductman on March 20, 2013

Antonio Echavarren and co-workers from ICIQ in Spain have reported in Org Lett on a gold catalyzed intramolecular [2+2] between an alkene and alkyne.

[2+2]

OL paper

Posted in Cycloaddition, Gold, Methodology, Pericyclic reactions, Transition Metal, [2+2] | Leave a Comment »

Towards maoecrystal V

Posted by naturalproductman on February 21, 2013

John Chisholm and co-workers from Syracuse University have reported in Tetrahderon Letters on an intramolecular approach towards maeocrystal V.

maoecrystal V

TL paper

Posted in Cycloaddition, Diels-Alder, Methodology, Named Reactions, Pericyclic reactions | Leave a Comment »

That’s pretty strained

Posted by naturalproductman on February 20, 2013

Fumitoshi Kakiuchi and co-workers from Keio University have reported in Org Lett on a rhodium catalyzed [2+2] reaction between a terminal alkyne and an electron deficient alkene to form a cyclobutene.

strained

OL paper

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

 
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