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Archive for the ‘C-H activation’ Category

Fe-catalyzed C-H amination

Posted by naturalproductman on May 6, 2013

Theodore Betley and co-worker have reported in Science on an iron catalyzed C-H amination.

Science paper

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

Fluorination using N-OH

Posted by naturalproductman on April 19, 2013

Masayuki Inoue and co-workers at the University of Tokyo have reported in Organic Letters on a fluorination of a C-H bond using an N-hydroxy reagent.

fluorination

OL paper

Posted in C-H activation, Methodology | Leave a Comment »

Desaturation

Posted by naturalproductman on February 21, 2013

C-H bond activation is popular because you can convert alkanes into alcohols – looks like a desaturase reaction where alkanes turn into alkenes is going to be up and coming in popularity soon. Pedro Perez and co-workers at CIQSO in Spain have reported in JACS on a copper catalyst that converted alkanes to alkenes.

 

JACS paper

Posted in C-H activation, Cascade Reactions, Copper, Dehydrogenation, Methodology, Transition Metal | Leave a Comment »

C-H amination of C12-position

Posted by naturalproductman on January 31, 2013

Shuji Yamashita and co-workers from Tohoku University have reported in Tetrahedron Letters on a C-H amination of the C12-position of steroids.

amination

Tetrahedron Letters paper

Posted in C-H activation, Methodology, Steroids | Leave a Comment »

C-Si bond formation

Posted by naturalproductman on January 17, 2013

Kazuhiko Takai and co-workers from Okayama University have reported in Organic Letters on a rhodium catalyzed C-H activation process that forms a new C-Si bond.

C-H

OL paper

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

C-H arylation of cyclopropanes

Posted by naturalproductman on November 19, 2012

Nicolai Cramer and co-worker from ETH Zurich have reported in ACIE on a C-H arylation of cyclopropanes.

cyclopropane

ACIE paper

Posted in C-H activation, Methodology, Palladium, Ring expansion, Transition Metal | Leave a Comment »

C-H vs. C-C

Posted by naturalproductman on November 16, 2012

Chisato Mukai and co-workers from Kanazawa University have reported in JACS on a rhodium catalyzed transformation that either results in a C-C bond cleavage or C-H bond activation reaction depending on the ligand.

C-H

JACS paper

Posted in C-C Bond Breaking, C-H activation, Methodology, Rhodium, Transition Metal | Leave a Comment »

Biaryl synthesis

Posted by naturalproductman on October 4, 2012

Christopher Russell and colleagues at the University of Bristol have reported in Science on a gold catalyzed C-H activation approach for biaryl synthesis.

Science paper

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

Copper catalyzed fluorination

Posted by naturalproductman on September 17, 2012

Thomas Lectka and co-workers at Johns Hopkins University have reported in ACIE on a copper catalyzed fluorination process.

copper

ACIE paper

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

Manganese catalyzed fluorination

Posted by naturalproductman on September 17, 2012

John Groves and co-workers have reported in Science on a manganese promoted fluorination process of aliphatics.

 

Science paper

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

 
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