Mechanistic insights into the full hydrogenation of 2,6-substituted pyridine catalyzed by the Lewis acid C6F5(CH2)2B(C6F5)2

2015 ◽  
Vol 44 (19) ◽  
pp. 9200-9208 ◽  
Author(s):  
Jiyang Zhao ◽  
Guoqiang Wang ◽  
Shuhua Li
Keyword(s):  
Lewis Acid ◽  
Computational Study ◽  
Ion Pair

A computational study indicates that the pyridinium hydridoborate ion pair is the key intermediate for the full hydrogenation of 2,6-substituted pyridine catalyzed by the Lewis acid C6F5(CH2)2B(C6F5)2.

Lewis Acid Behavior of SF4: Synthesis, Characterization, and Computational Study of Adducts of SF4with Pyridine and Pyridine Derivatives

2015 ◽  
Vol 21 (16) ◽  
pp. 6247-6256 ◽  
Author(s):  
Praveen Chaudhary ◽  
James T. Goettel ◽  
Hélène P. A. Mercier ◽  
Shahin Sowlati-Hashjin ◽  
Paul Hazendonk ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Computational Study ◽  
Pyridine Derivatives

Scope and Mechanism for Lewis Acid-Catalyzed Cycloadditions of Aldehydes and Donor−Acceptor Cyclopropanes: Evidence for a Stereospecific Intimate Ion Pair Pathway

2008 ◽  
Vol 130 (27) ◽  
pp. 8642-8650 ◽  
Author(s):  
Patrick D. Pohlhaus ◽  
Shanina D. Sanders ◽  
Andrew T. Parsons ◽  
Wei Li ◽  
Jeffrey S. Johnson
Keyword(s):  
Lewis Acid ◽  
Ion Pair ◽  
Donor Acceptor ◽  
Acid Catalyzed

scholarly journals Enantioselective Diels–Alder reaction of anthracene by chiral tritylium catalysis

2019 ◽  
Vol 15 ◽  
pp. 1304-1312 ◽  
Author(s):  
Qichao Zhang ◽  
Jian Lv ◽  
Sanzhong Luo
Keyword(s):  
Lewis Acid ◽  
Acid Catalyst ◽  
Alder Reaction ◽  
Ion Pair ◽  
Diels Alder ◽  
Highly Active ◽  
Diels Alder Reaction ◽  
New Type ◽  
Lewis Acid Catalyst ◽  
Trityl Cation

The combination of the trityl cation and a chiral weakly coordinating Fe(III)-based bisphosphate anion was used to develop a new type of a highly active carbocation Lewis acid catalyst. The stereocontrol potential of the chiral tritylium ion pair was demonstrated by its application in an enantioselective Diels–Alder reaction of anthracene.

scholarly journals Computational Study of the Release of H2 from Ammonia Borane Dimer (BH3NH3)2 and Its Ion Pair Isomers.

ChemInform ◽  
2007 ◽  
Vol 38 (48) ◽  
Author(s):  
Vinh Son Nguyen ◽  
Myrna H. Matus ◽  
Daniel J. Grant ◽  
Minh Tho Nguyen ◽  
David A. Dixon
Keyword(s):  
Computational Study ◽  
Ammonia Borane ◽  
Ion Pair

Computational Study of the Release of H2from Ammonia Borane Dimer (BH3NH3)2and Its Ion Pair Isomers

2007 ◽  
Vol 111 (36) ◽  
pp. 8844-8856 ◽  
Author(s):  
Vinh Son Nguyen ◽  
Myrna H. Matus ◽  
Daniel J. Grant ◽  
Minh Tho Nguyen ◽  
David A. Dixon
Keyword(s):  
Computational Study ◽  
Ammonia Borane ◽  
Ion Pair

scholarly journals Ternary complexes of chiral disulfonimides in transfer-hydrogenation of imines: the relevance of late intermediates in ion pair catalysis

2021 ◽  
Author(s):  
Matej Žabka ◽  
Ruth M. Gschwind
Keyword(s):  
Acid Catalysis ◽  
Computational Study ◽  
Ion Pairing ◽  
Ion Pair ◽  
Ternary Complexes ◽  
Transfer Hydrogenation ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Bronsted Acid Catalysis

In ion pairing catalysis, the structures of advanced intermediates are often not accessible. Here, we present a combined experimental and computational study of ternary complexes in Brønsted acid catalysis, which show unexpected H-bond switching.

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