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Archive for the ‘Transition Metal’ Category

Reactions involving transition metals

Reverse Claisen cascade

Posted by naturalproductman on April 16, 2015

Yongjia Shang and co-workers from Anhui Normal University have reported in JOC on an interesting iron catalyzed cascade reaction.

JOC paper

Posted in Cascade Reactions, Claisen rearrangement, Iron, Methodology, Sigmatropic Rearrangements, Transition Metal | Leave a Comment »

Mn catalyzed C-H azidation

Posted by naturalproductman on April 16, 2015

Jay Groves and co-workers have reported in JACS on a Mn-catalyzed C-H azidation reaction.

Mn

JACS paper

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

Pd-catalyzed DKR

Posted by naturalproductman on April 16, 2015

Xinjun Luan and co-workers have reported in JACS on a palladium catalyzed dynamic kinetic resolution of biaryls to spirocyclic centers.

spirocycle

JACS paper

Posted in Cascade Reactions, Kinetic resolution, Methodology, Palladium, Transition Metal | Leave a Comment »

A Formal Metathesis

Posted by naturalproductman on April 16, 2015

Zhang Jie-Shi and co-workers from the Chinese Academy of Sciences have reported in JACS on a rhodium catalyzed exchange between an aryl keton and an aryl carboxylic acid to form aliphatic carboxylic acids and biaryl compounds.

cascade

JACS paper

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

Rhodium and triazoles cascade

Posted by naturalproductman on April 16, 2015

When I saw this paper I thought of the stuff Dale Boger does with the triazole cascade reactions.

triazole

ACIE paper

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

C-H Activation Cascade

Posted by naturalproductman on April 16, 2015

Kevin Booker Millburn and colleague at the University of Bristol have reported in ACIE on a palladium C-H activation cascade reaction.

C-H
ACIE paper

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

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 »

Galanthamine and lycoramine syntheses

Posted by naturalproductman on April 12, 2015

Yanxing Jia and co-workers at Peking University have reported in ACIE on the synthesis galanthamine and lycoramine.
galanthamine

ACIE paper

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

Alkyne + Formic Acid = Vinyl carboxylic acid

Posted by naturalproductman on April 12, 2015

Qi-Lin Zhou and co-workers from Nankai University have reported in ACIE on a palladium catalyzed hydrocarboxylation of alkynes.

Pd

ACIE paper

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

Alkyl halide + terminal alkyne = Z-alkene

Posted by naturalproductman on April 12, 2015

Xile Hu and co-workers have reported in JACS on the formation of Z-olefins from terminal alkynes using an iron catalyst.

iron

JACS paper

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

 
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