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Archive for the ‘Pericyclic reactions’ Category

Aza-Nazarov

Posted by naturalproductman on November 29, 2014

G Sekar and co-workers from IIT Madras have reported in Chem Comm on an aza-Nazarov cyclization.

Chem Comm paper

Posted in Electrocyclization, Methodology, Named Reactions, Nazarov cyclization | 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 »

Electrocyclic ring opening to ketonitrones

Posted by naturalproductman on July 27, 2014

Masahiro Terada and co-workers from Tohoku University have reported in Organic Letters on a copper-catalyzed rearrangement to form alpha,beta-unsaturated ketonitrones.

nitrone

OL paper

Posted in Cascade Reactions, Copper, Electrocyclization, Mechanistic, Methodology, Pericyclic reactions, 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 »

Limazepine E synthesis

Posted by naturalproductman on August 30, 2013

Ronalds Zemribo and colleague at the Latvian Institute of Organic Chemistry have reported in Org Lett on a an Ireland-Claisen rearrangement approach to synthesizing limazepine E and barmumycin.

limazepine E

OL paper

Posted in Alkaloids, Cascade Reactions, Ireland-Claisen rearrangement, Methodology, Named Reactions, Pericyclic reactions, Sigmatropic Rearrangements | Leave a 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 »

 
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