ChemInform Abstract: OXIDATIVE ADDITION OF ACYL CHLORIDES TO DIPHENYLMETHYLPHOSPHINE COMPLEXES OF IRIDIUM(I). FORMATION OF FIVE-COORDINATE ACYLIRIDIUM(III) AND SIX-COORDINATE ALKYLIRIDIUM(III) COMPLEXES CONTAINING CIS PHOSPHINE LIGANDS

1981 ◽  
Vol 12 (10) ◽  
Author(s):  
M. A. BENNETT ◽  
J. C. JEFFERY
Keyword(s):  
Oxidative Addition ◽  
Phosphine Ligands ◽  
Acyl Chlorides

Irradiation-Induced Palladium-Catalyzed Direct C–H Alkylation of Heteroarenes with Tertiary and Secondary Alkyl Bromides

Synthesis ◽  
2018 ◽  
Vol 50 (15) ◽  
pp. 2908-2914 ◽  
Author(s):  
Rui Shang ◽  
Yao Fu ◽  
Guang-Zu Wang
Keyword(s):  
Blue Light ◽  
Palladium Catalyst ◽  
Light Emitting Diodes ◽  
Oxidative Addition ◽  
Phosphine Ligands ◽  
Light Emitting ◽  
Alkyl Radicals ◽  
Alkyl Bromides ◽  
Palladium Catalyzed ◽  
Tertiary Alkyl

A palladium catalyst in combination with two types of phosphine ligands efficiently catalyzes direct C–H alkylation of heteroarenes with secondary and tertiary alkyl bromides under irradiation conditions. Irradiation of blue light-emitting diodes (blue LEDs) effectively excites phosphine-ligated palladium catalyst to facilitate oxidative addition with alkyl bromides, and also excites the alkylpalladium species to enable the generation of alkyl radicals to react with heteroarenes.

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