Results 31 to 40 of about 748,226 (258)
An efficient and stereoselective catalytic system for the Heck cross coupling reaction using novel 1,3-dialkyl-3,4,5,6-tetrahydropyrimidinium salts (1, LHX) and Pd(OAc)2 loading has been reported.
İsmail Özdemir +4 more
doaj +1 more source
On the Use of Iron in Organic Chemistry
Transition metal catalysis in modern organic synthesis has largely focused on noble transition metals like palladium, platinum and ruthenium. The toxicity and low abundance of these metals, however, has led to a rising focus on the development of the ...
Arnar Guðmundsson, Jan-E. Bäckvall
doaj +1 more source
Ni-Catalyzed Electrochemical C(sp2)−C(sp3) Cross-Coupling Reactions
Nickel (Ni) catalyzed carbon-carbon (C−C) cross-coupling has been considerably developed in last decades and has demonstrated unique reactivities compared to palladium.
maowei, hu +4 more
core +1 more source
Synthesis of 2H-pyrroles via iron catalyzed dehydrogenative coupling and C–C bond cleavage
Iron catalyzed coupling of β-amino alcohols with allylic alcohols for the synthesis of 3,4-dihydro-2H-pyrrole derivatives has been developed. Mechanistic studies suggest that the reaction involves iron catalyzed dehydrogenative coupling and C–C bond ...
Suya Cui +7 more
doaj +1 more source
Visible light-driven C−H activation and C–C coupling of methanol into ethylene glycol
Direct transformation of methanol into two- or multi-carbon compounds is extremely attractive but remains a challenge. Here, the authors report an efficient photocatalytic route to the transformation of methanol into ethylene glycol and hydrogen over a ...
Shunji Xie +10 more
doaj +1 more source
Palladium-catalysed competitive intramolecular C–N and C–C coupling of 2-amino-2′-bromodiarylsulfones has been carried out based on 1,8-peri-interactions for the synthesis of phenothiazinedioxide and benzonaphthathiophenedioxide derivatives.
Sudarshan Debnath, Shovan Mondal
doaj +1 more source
H2-Mediated Copper Catalyzed C–C Coupling Reactions – Selective Formation of Skipped Dienes
A simple copper(I)/N-heterocyclic carbene complex facilitates a H2-mediated C–C coupling reaction of internal alkynes and allylic chlorides. The catalytic protocol delivers the corresponding 1,4-dienes (skipped dienes) with high chemo-, regio- and ...
Lea, Brechmann, Teichert, Johannes
core +1 more source
Rhodium(III)-Catalyzed C-C Coupling between Arenes and Aziridines by C-H Activation
Rhodium(III)-Catalyzed C-C Coupling between Arenes and Aziridines by C-H ...
Wan, Boshun +6 more
core +1 more source
Ligand-Enabled Gold-Catalyzed C(sp2)–O Cross-Coupling Reactions
Reported herein is a ligand-enabled gold-catalyzed C(sp2)-O cross-coupling reaction of aryl iodides and aliphatic alcohols. The synthesis of a variety of aryl alkyl ethers including complex biomolecules and various medicinally relevant motifs has been ...
Avishek, Das, Nitin T., Patil
core +1 more source
A ruthenium-catalyzed photoredox coupling of substituted N-aryltetrahydroisoquinolines (THIQs) and different bench-stable pyridinium salts was successfully developed to give fast access to 1-benzyl-THIQs.
David Schönbauer +3 more
doaj +1 more source

