Theoretical Analysis of the Catalytic Cycle of a Nickel Cross-Coupling Process: Application of the Energetic Span Model

2009 ◽  
Vol 28 (5) ◽  
pp. 1303-1308 ◽  
Author(s):  
Sebastian Kozuch ◽  
Sophia E. Lee ◽  
Sason Shaik
Keyword(s):  
Theoretical Analysis ◽  
Cross Coupling ◽  
Catalytic Cycle ◽  
Coupling Process

ChemInform Abstract: The Preparation of Substituted Pyrazoles from β,β-Dibromo-enones by a Tandem Condensation/Suzuki-Miyaura Cross-Coupling Process.

ChemInform ◽  
2010 ◽  
Vol 41 (27) ◽  
pp. no-no
Author(s):  
Sandra Beltran-Rodil ◽  
Michael G. Edwards ◽  
David S. Pugh ◽  
Mark Reid ◽  
Richard J. K. Taylor
Keyword(s):  
Cross Coupling ◽  
Coupling Process ◽  
Substituted Pyrazoles

scholarly journals Synthesis of Pd Complexes Containing Tailed NHC Ligands and Their Use in a Semicontinuous Membrane-Assisted Suzuki Cross-Coupling Process

2018 ◽  
Vol 22 (11) ◽  
pp. 1509-1517 ◽  
Author(s):  
Dominic Ormerod ◽  
Matthieu Dorbec ◽  
Eugen Merkul ◽  
Nadya Kaval ◽  
Nicolas Lefèvre ◽  
...  
Keyword(s):  
Cross Coupling ◽  
Coupling Process ◽  
Pd Complexes

scholarly journals The significance of phosphoniocarbynes in halocarbyne cross-coupling reactions

2020 ◽  
Vol 56 (42) ◽  
pp. 5673-5676 ◽  
Author(s):  
Liam K. Burt ◽  
Richard L. Cordiner ◽  
Anthony F. Hill ◽  
Richard A. Manzano ◽  
Jörg Wagler
Keyword(s):  
Cross Coupling ◽  
Catalytic Cycle ◽  
Coupling Reactions ◽  
Cross Coupling Reactions

Competent intermediates as well as productive and non-productive tangents have been identified in the catalytic cycle for palladium(0)–copper(i) mediated synthesis of propargylidynes via cross coupling reactions of bromocarbyne complexes with alkynes.

scholarly journals A Robust Pd-Catalyzed C–S Cross-Coupling Process Enabled by Ball-Milling

2020 ◽  
Vol 22 (19) ◽  
pp. 7433-7438
Author(s):  
Andrew C. Jones ◽  
William I. Nicholson ◽  
Harry R. Smallman ◽  
Duncan L. Browne
Keyword(s):  
Ball Milling ◽  
Cross Coupling ◽  
Coupling Process

scholarly journals General Approach to the Total Synthesis of Macroline-Related Sarpagine and Ajmaline Alkaloids1

2008 ◽  
Vol 3 (11) ◽  
pp. 1934578X0800301
Author(s):  
Chitra R. Edwankar ◽  
Rahul V. Edwankar ◽  
Sundari Rallapalli ◽  
James M. Cook
Keyword(s):  
Total Synthesis ◽  
Cross Coupling ◽  
Complex Molecules ◽  
Coupling Process ◽  
Efficient Strategy ◽  
Synthetic Routes

Described in this review is a general and efficient strategy for the synthesis of macroline-related sarpagine and ajmaline alkaloids. The tetracyclic ketone in the parent system, as well as the alkoxy substituted series served as templates for the synthesis of these complex molecules. The palladium-mediated enolate cross coupling process, regiospecific hydroboration, and Tollens reaction are some of the key transformations that have been employed for further functionalization of these templates. Synthetic routes that have been improved, in order to obtain gram quantities of these alkaloids form a part of this review.

Cationic palladium-catalyzed hydrosilylative cross-coupling of alkynes with alkenes forming 4-silylated-1-butene frameworks

2008 ◽  
Vol 80 (5) ◽  
pp. 1179-1185 ◽  
Author(s):  
Takamitsu Shimamoto ◽  
Motoharu Chimori ◽  
Hiroaki Sogawa ◽  
Yuki Harada ◽  
Masaharu Aoki ◽  
...  
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Catalytic Cycle ◽  
Cross Coupling Reaction ◽  
Palladium Catalyzed ◽  
Coupling Pattern ◽  
Cationic Palladium

A new hydrosilylative cross-coupling reaction of a variety of alkynes with several alkenes, which is catalyzed by a cationic Pd complex [Pd(η3-C3H5)(cod)]+[PF6]- (cod = 1,5-cyclooctadiene) was studied systematically. The reaction using HSiCl3 as an addend afforded more or less two types of products consisting of four possible derivatives, R1CH=CR2-CHR3-CHR4-SiCl3, which always contained 4-trichlorosilyl-1-butene frameworks, in acceptable combined yields. The coupling pattern was markedly dependent both on the precatalyst in the absence or presence of PPh3 ligand and on the combination of the alkyne and alkene partners employed. A possible catalytic cycle that involves an initial hydropalladation of an alkyne, followed by a facile and specific carbopalladation of an alkene, is proposed. At the same time, the lack of regioselectivity in the latter step is noted.

Nano-CuFe2O4 as a magnetically separable and reusable catalyst for the synthesis of diaryl/aryl alkyl sulfides via cross-coupling process under ligand-free conditions

2011 ◽  
Vol 9 (17) ◽  
pp. 5989 ◽  
Author(s):  
Kokkirala Swapna ◽  
Sabbavarapu Narayana Murthy ◽  
Mocharla Tarani Jyothi ◽  
Yadavalli Venkata Durga Nageswar
Keyword(s):  
Cross Coupling ◽  
Reusable Catalyst ◽  
Coupling Process ◽  
Ligand Free ◽  
Magnetically Separable

Iron(ii)-catalyzed sulfur directed C(sp3)–H bond amination/C–S cross coupling reaction

2017 ◽  
Vol 53 (18) ◽  
pp. 2737-2739 ◽  
Author(s):  
Fang-Fang Duan ◽  
Shi-Qian Song ◽  
Run-Sheng Xu
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Catalytic Cycle ◽  
Cross Coupling Reaction

An efficient iron(ii)-catalyzed sulfur directed C(sp3)–H bond amination/C–S cross coupling reaction has been developed, and the mechanism corresponds to a Fe(ii)/Fe(iii) catalytic cycle.

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