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Archive for the ‘Ruthenium’ Category

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 »

Englerin A formal synthesis

Posted by naturalproductman on May 7, 2012

Kathlynn Parker and colleague have reported in Organic Letters on a formal synthesis of englerin A.

englerin

OL paper

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

Fluorous mixture synthesis application

Posted by naturalproductman on May 1, 2012

Dennis Curran and co-workers at the University of Pittsburgh have applied fluorous mixture synthesis to assign the stereochemistry of a macrolide.  Fluorous mixture synthesis is a technique where they install fluorinated tag protecting groups on the alcohols where each tag varies by the number of fluorines.  They are able to separate the tagged compounds based on the number of flourines on the tags.

fluorous

JACS paper

Science paper

Posted in Macrolides, Metathesis, Methodology, Ruthenium, Total Synthesis, Transition Metal | Leave a Comment »

Oxygen transfer

Posted by naturalproductman on April 25, 2012

Yoshihiko Yamamoto and co-workers from Nagoya University have reported in JACS on the formation of a furan from diynes.

sulfur

JACS paper

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

Oxyingenol synthesis

Posted by naturalproductman on April 17, 2012

Hideo Kigoshi and co-workers from the University of Tsukuba have reported in ACIE on the synthesis of oxyingenol.

oxyingenol

ACIE paper

Posted in Diseases, Diterpenoids, HIV, Metathesis, Methodology, Ruthenium, Sigmatropic Rearrangements, Total Synthesis, Transition Metal | Leave a Comment »

[2+2+2] for endoperoxides

Posted by naturalproductman on February 29, 2012

Tehshik Yoon and co-workers at the University of Wisconsin have reported in Organic Letters on a [2+2+2] cyclization approach to form endoperoxides using oxygen (ie:  O2).

O2

OL paper

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

Ru-catalyzed Ficini reaction

Posted by naturalproductman on February 21, 2012

Antonio Mezzetti and co-workers from ETH Zurich have reported in Synthesis on ruthenium catalyzed Ficini reaction.
Ficini

Synthesis paper

Posted in Asymmetric, Methodology, Ruthenium, Transition Metal, [2+2] | Leave a Comment »

 
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