Naturalproductman’s Blog

Hey, is that a natural product?!

Archive for the ‘Cobalt’ Category

Expect the unexpected – allylic alcohols from epoxides

Posted by naturalproductman on January 27, 2016

Margaret Brimble and co-workers from the University of Auckland have reported in Organic Letters on a cobalt-catalyzed conversion of an epoxide to an allylic alcohol using the Corey-Chaykovsky reagent.

 

OL paper

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

Co-catalyzed hydrosilylation

Posted by naturalproductman on October 9, 2015

Patrick Holland (Yale) and Daniel Weix (Rochester) and co-workers have reported in JACS on a cobalt catalyzed hydrosilylation.

silyl

JACS paper

Posted in Cobalt, Methodology, Transition Metal | Leave a Comment »

C-N Bond formation with cobalt

Posted by naturalproductman on September 26, 2015

Sukbok Chang and colleague from KAIST have reported in ACIE on a cobalt-catalyzed amidation of arenes using dioxazolones.

C-H

ACIE paper

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

Co-catalyzed reduction of nitriles to amines

Posted by naturalproductman on July 11, 2015

David Milstein and co-workers from Weizman Institute of Science have reported in JACS on a cobalt-pincer complex that reduces nitriles to primary amines.

amine

JACS paper

Posted in Cobalt, Methodology, Transition Metal | Leave a Comment »

Multi-component coupling with cobalt

Posted by naturalproductman on November 28, 2014

Xiaobing Wan and co-workers from Soochow University have reported in ACIE on a multi-component coupling approach to access β-Ester-γ-amino ketones.

tbhp

ACIE paper

Posted in Cascade Reactions, Cobalt, Methodology, Multi-Component Coupling, Transition Metal | Leave a Comment »

Hydroacylation of 1,3-dienes

Posted by naturalproductman on March 7, 2014

Vy Dong and co-workers have reported in JACS on a cobalt mediated hydroacylation.

hydroacylation

JACS paper

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

Hydroboration – interesting

Posted by naturalproductman on December 17, 2013

Paul Chirik and colleague from Princeton have reported in JACS on an interesting hydroboration.

B-H

JACS paper

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

Hydrovinylation with cobalt

Posted by naturalproductman on April 6, 2012

Rajanbabu and colleague at Ohio State have reported in JACS on an asymmetric hydrovinylation of a diene using a cobalt catalyst.
hydrovinylation

JACS paper

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

Daphmanidin synthesis

Posted by naturalproductman on October 11, 2011

Erick Carreira and co-worker have reported in ACIEE on the synthesis of daphmanidin.

daphmanidin

ACIEE paper

Posted in Alkaloids, Cascade Reactions, Claisen rearrangement, Cobalt, Copper, cross coupling, Heck, Methodology, Named Reactions, Palladium, Transition Metal | Leave a Comment »

Epoxide opening with a fluoride

Posted by naturalproductman on September 19, 2011

Abigail Doyle and colleague have reported in JACS on an epoxide ring opening reaction using a fluoride group.

epoxide

JACS Paper

Posted in Cobalt, Cooperative Catalysis, Methodology, Ring Opening, Transition Metal | Leave a Comment »