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Archive for the ‘Ruthenium’ Category

Z-selective olefin metathesis

Posted by naturalproductman on August 20, 2014

Robert Grubbs and co-workers have reported in JACS on factors that influence Z-selective olefin metathesis.

Z-selective

JACS paper

Posted in Metathesis, Methodology, Ring forming, Ruthenium, Transition Metal | Leave a Comment »

Dihydropyran access

Posted by naturalproductman on May 6, 2014

Carlos Saa and co-workers at Universidad de Santiago de Compostela have reported in ACIE on a reaction involving a ruthenium cascade followed by C-O formation to form dihydropyrans.

ruthenium
ACIE paper

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

Ruthenium cascade cyclization

Posted by naturalproductman on March 7, 2014

Yoshihiko Yamamoto and co-workers from Nagoya University have reported on a ruthenium catalyzed hydrogenative cyclization to access dihydrocoumarins.
ruthenium

OL paper

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

Posted by naturalproductman on March 7, 2014

Tsutomu Katsuki and co-workers at Kyushu University have reported on a ruthenium catalyzed kinetic resolution of racemic secondary alcohols via oxidation.

ruthenium

ACIE paper

Posted in Asymmetric, Kinetic resolution, Methodology, Ruthenium, Transition Metal | Leave a Comment »

Hydroacylation of ketones

Posted by naturalproductman on August 3, 2013

Vy Dong and colleague have reported in JACS on the use of Noyori’s catalyst to form chiral lactones, asymmetrically.
chiral

JACS paper

Posted in Asymmetric, Methodology, Noyori's transfer hydrogenation catalyst, Ruthenium, Transition Metal | Leave a Comment »

Ru-catalyzed enantioselective isomerization

Posted by naturalproductman on July 9, 2013

Takeshi Ohkuma and co-workers at Hokkaido University have reported in ACIE on an enantioselective isomerization of a substituted allylic alcohol to an aldehyde using a ruthenium catalyst.

ruthenium
ACIE paper

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

Hydrocarbamoylation

Posted by naturalproductman on May 7, 2013

Erick Carreira and colleague have reported in JACS on a ruthenium catalyzed hydrocarbamoylation.

ruthenium
JACS paper

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

Enamine and alkynes to pyrroles

Posted by naturalproductman on December 29, 2012

Lutz Ackermann and colleague at Georg-August-Universität have reported in Organic Letters on the reaction between examines and alkynes to form pyrroles.

pyrroles

OL paper

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

Cyclic carbonate to diols and methanol

Posted by naturalproductman on November 16, 2012

Kuiling Ding and co-workers from Shanghai Institute of Organic Chemistry have reported in ACIE on the ruthenium catalyzed cyclic carbonate transformation to diols and methanol. Cyclic carbonates are a product of CO2 and epoxides the first product of the Shell omega process.

CO2

ACIE paper

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

FD-895 synthesis

Posted by naturalproductman on October 25, 2012

Michael Burkart and James J. La Clair and colleagues at UCSD have reported in Org Lett on the synthesis of

synthesis
OL paper

Posted in Macrolides, Metathesis, Methodology, Polyketides, Ring forming, Ruthenium, Structural Reassignment, Transition Metal | Leave a Comment »

 
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