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Archive for the ‘Transition Metal’ Category

Reactions involving transition metals

Aryl bromide and aryl triflate cross coupling with Ni and Pd

Posted by naturalproductman on August 28, 2015

Daniel Weix and co-workers have reported in Nature on a multimetallic cross coupling between an aryl triflate and aryl bromide using palladium and nickel.

Nature paper

Posted in Cooperative Catalysis, cross coupling, Methodology, Nickel, Palladium, Transition Metal | Leave a Comment »

Fe-catalyzed [2+2]

Posted by naturalproductman on August 28, 2015

Paul Chirik and co-workers from Princeton have reported in Science on an iron catalyzed [2+2] cycloaddition.

Science paper

Posted in Cycloaddition, Iron, Transition Metal, [2+2] | Leave a Comment »

Amine trapping

Posted by naturalproductman on August 28, 2015

John Wolfe and co-workers have reported in JACS on a palladium catalyzed carboamination.

indane

JACS paper

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

Vinyl chlorides from terminal alkynes

Posted by naturalproductman on August 26, 2015

Silvie Derien and co-workers from CNRS have reported in ACIE on a ruthenium catalyzed hydrochlorination of alkynes.

 

ACIE paper

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

Pseudotabersonine via double ring closing metathesis

Posted by naturalproductman on August 19, 2015

Stephen Martin and co-workers reported in Tetrahedron on the synthesis of pseudotabersonine using a double ring closing metathesis approach.

double RCM

Tetrahedron paper

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

Nitrosostyrenes to indoles

Posted by naturalproductman on August 19, 2015

Jieping Zhu and co-workers have reported in ACIE on a titanium trichloride mediated cyclization-reduction of nitrosostyrenes to indoles.
nitrosostyrene

ACIE paper

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

Asymmetric copper catalyzed Michael Addition

Posted by naturalproductman on August 19, 2015

Jean-Marc Campagne and co-workers at CNRS have reported in ACIE on a copper catalyzed asymmetric Michael addition.
copper

ACIE paper

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

C-H bromination with ruthenium

Posted by naturalproductman on August 19, 2015

Michael Greaney and co-workers from the University of Manchester have reported in ACIE on a meta-selective C-H bromination process.

meta

ACIE paper

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

Formation of C-C bonds from dehydrogenation

Posted by naturalproductman on August 19, 2015

Tamejiro Hiayama and co-workers from Chuo University have reported in ACIE on an interesting dehydrogenative C-C bond coupling process. From isotope studies, the alkynoxy group accepts hydrogens from the aryl ring.

C-H

ACIE paper

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

ent-Ketorfanol synthesis

Posted by naturalproductman on August 18, 2015

Jonathan Ellman and co-workers have reported in ACIE on the synthesis of ent-ketorfanol.

alkaloid

ACIE paper

Posted in Alkaloids, Rhodium, Total Synthesis, Transition Metal | Leave a Comment »

 
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