Naturalproductman’s Blog

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Archive for the ‘Gold’ Category

Gold catalyzed spiroketalization

Posted by naturalproductman on April 12, 2015

Aaron Aponick and co-workers from the University of Florida have used a trimethylphosphine additive to improve the gold catalyzed spiroketalization for spirastrellolide.

gold

OL paper

Posted in Diastereoselective, Gold, Methodology, Regioselective, Transition Metal | Leave a Comment »

Gold cascade

Posted by naturalproductman on March 5, 2015

Dean Toste and co-workers have reported in JACS on a gold catalyzed Rautenstrauch cascade reaction.

gold

JACS paper

Posted in Cascade Reactions, Gold, Methodology, Named Reactions, Rautenstrauch rearrangement, Transition Metal | Leave a Comment »

Gold vinylidene = Intramolecular C-H activation

Posted by naturalproductman on January 23, 2015

Jose Gonzalez and co-workers from the University of Oviedo have reported in ACIE on a gold vinylidene approach for intramolecular C-H activation.

gold vinylidine

ACIE paper

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

Allenyl gold complexes

Posted by naturalproductman on September 8, 2014

Concepcion Gimeno and co-workers from ISQCH in Spain have reported in JACS on an allenyl gold complex. I wonder how they would react with electrophiles.

allenyl gold

JACS paper

Posted in Allenes, Gold, Methodology, Transition Metal | Leave a Comment »

Gold cyclization

Posted by naturalproductman on March 7, 2014

Stephen Hashmi and co-workers from Ruprecht-Karls-Universität Heidelberg have reported in ACIE on a gold catalyzed cyclization of terminal alkynes.

gold

ACIE paper

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

Gold catalyzed sigmatropic rearrangement

Posted by naturalproductman on January 20, 2014

Chepuri Ramana and colleague at CSIR have reported in Chem Comm on a gold catalyzed rearrangement of allenyl ethers.

rearrangement

Chem Comm paper

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

Asymmetric gold catalysis

Posted by naturalproductman on August 30, 2013

Huw Davies and colleague have reported in JACS on an asymmetric gold catalyzed [3+2] reaction.

3+2

JACS paper

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

Gold catalyzed [2+2]

Posted by naturalproductman on March 20, 2013

Antonio Echavarren and co-workers from ICIQ in Spain have reported in Org Lett on a gold catalyzed intramolecular [2+2] between an alkene and alkyne.

[2+2]

OL paper

Posted in Cycloaddition, Gold, Methodology, Pericyclic reactions, Transition Metal, [2+2] | Leave a Comment »

Alkynoates and allylic ethers

Posted by naturalproductman on February 27, 2013

Young Ho Rhee and co-workers from Pohang University of Science and Technology have reported in Org Lett on a gold catalyzed coupling of an alkynoate and allylic ether.

ether

OL paper

Posted in Cascade Reactions, Gold, Mechanistic, Methodology, Sigmatropic Rearrangements, Transition Metal | Leave a Comment »

Imino-Nazarov reaction

Posted by naturalproductman on November 8, 2012

Richard Hsung and co-workers published in Org Lett on an imino Nazarov reaction catalyzed by gold and silver.

imino Nazarov

OL paper

Posted in Cascade Reactions, Gold, Methodology, Named Reactions, Nazarov cyclization, Transition Metal | Leave a Comment »

 
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