Facile synthesis of Pd(ii) and Ni(ii) pincer carbene complexes by the double C–H bond activation of a new hexahydropyrimidine-based bis(phosphine): catalysis of C–N couplings

2019 ◽  
Vol 48 (21) ◽  
pp. 7203-7210 ◽  
Author(s):  
Vasudevan Subramaniyan ◽  
Bidisa Dutta ◽  
Anbarasu Govindaraj ◽  
Ganesan Mani
Keyword(s):  
Bond Activation ◽  
Facile Synthesis ◽  
Carbene Complexes ◽  
Phosphine Catalysis

A new hexahydropyrimidine-based NHC proligand undergoes facile double C–H bond activation to give Pd(ii) and Ni(ii) NHC pincer cationic complexes. The Pd complex catalyzes C–N cross couplings very efficiently.

C H Bond activation of 2-isobutylthiazole at C5 position catalysed by Pd-N-heterocyclic carbene complexes

2021 ◽  
Vol 937 ◽  
pp. 121730
Author(s):  
Nesrin Buğday ◽  
Siraj Khan ◽  
Sedat Yaşar ◽  
İsmail Özdemir
Keyword(s):  
Bond Activation ◽  
Carbene Complexes

Cooperative Bond Activation Reactions with Nickel and Palladium Carbene Complexes with a PCcarbeneS Pincer Ligand

2019 ◽  
Vol 38 (21) ◽  
pp. 4093-4104 ◽  
Author(s):  
Lennart T. Scharf ◽  
Alexander Kowsari ◽  
Thorsten Scherpf ◽  
Kai-Stephan Feichtner ◽  
Viktoria H. Gessner
Keyword(s):  
Bond Activation ◽  
Pincer Ligand ◽  
Carbene Complexes

Modulating reactivity in iridium bis(N-heterocyclic carbene) complexes: influence of ring size on E–H bond activation chemistry

2014 ◽  
Vol 43 (32) ◽  
pp. 12288-12298 ◽  
Author(s):  
Nicholas Phillips ◽  
Christina Y. Tang ◽  
Rémi Tirfoin ◽  
Michael J. Kelly ◽  
Amber L. Thompson ◽  
...  
Keyword(s):  
Bond Activation ◽  
Ring Size ◽  
Carbene Complexes

Critical influence of NHC ring size: highly labile [Ir(5-Mes)2(H)2]+can only be studied by trapping experiments, while [Ir(6-Mes)2(H)2]+and [Ir(6-Xyl)2(H)2]+are air/moisture stable.

The first [4 + 3] annulation of Fischer carbene complexes with azadienes: facile synthesis of azepines

1994 ◽  
pp. 321-322 ◽  
Author(s):  
José Barluenga ◽  
Miguel Tomás ◽  
Alfredo Ballestros ◽  
Javier Santamaría ◽  
Fernando López-Ortiz
Keyword(s):  
Facile Synthesis ◽  
Fischer Carbene Complexes ◽  
Carbene Complexes ◽  
Fischer Carbene

Silver(i) NHC mediated C–C bond activation of alkyl nitriles and catalytic efficiency in oxazoline synthesis

2015 ◽  
Vol 51 (41) ◽  
pp. 8699-8701 ◽  
Author(s):  
Rachael Heath ◽  
Helge Müller-Bunz ◽  
Martin Albrecht
Keyword(s):  
High Efficiency ◽  
Bond Activation ◽  
Aldol Condensation ◽  
Bond Cleavage ◽  
Catalytic Efficiency ◽  
Carbene Complexes ◽  
Ambient Temperatures ◽  
Mild Conditions ◽  
New Applications

C–C bond cleavage is achieved with silver carbene species under relatively mild conditions (80 °C) stoichiometrically, and aldol condensation is catalyzed at ambient temperatures in high efficiency, with turnover numbers up to 5000 h−1, thus disclosing new applications and synthetic opportunities based on easily accessible silver carbene complexes.

ChemInform Abstract: The First (4 + 3) Annulation of Fischer Carbene Complexes with Azadienes: Facile Synthesis of Azepines.

ChemInform ◽  
2010 ◽  
Vol 25 (23) ◽  
pp. no-no
Author(s):  
J. BARLUENGA ◽  
M. TOMAS ◽  
A. BALLESTEROS ◽  
J. SANTAMARIA ◽  
F. LOPEZ-ORTIZ
Keyword(s):  
Facile Synthesis ◽  
Fischer Carbene Complexes ◽  
Carbene Complexes ◽  
Fischer Carbene
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