Lewis acid catalysis: catalytic hydroboration of alkynes initiated by Piers' borane

2016 ◽  
Vol 52 (72) ◽  
pp. 10830-10833 ◽  
Author(s):  
Mirco Fleige ◽  
Juri Möbus ◽  
Thorsten vom Stein ◽  
Frank Glorius ◽  
Douglas W. Stephan
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Lewis Acid Catalysis ◽  
Boronic Esters ◽  
Internal Alkynes ◽  
Hb C

Terminal and internal alkynes are efficiently hydroborated to (E)-alkenyl pinacol boronic esters with excellent yields and selectivities using Piers' borane, (HB(C6F5)2) as a pre-catalyst for the dissymmetrically gem-diborylated catalyst of the form RCH2CR′(Bpin)(B(C6F5)2).

Chiral Lewis Acid Catalysis in Nitrile Oxide Cycloadditions

2004 ◽  
Vol 126 (17) ◽  
pp. 5366-5367 ◽  
Author(s):  
Mukund P. Sibi ◽  
Kennosuke Itoh ◽  
Craig P. Jasperse
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Nitrile Oxide ◽  
Lewis Acid Catalysis ◽  
Chiral Lewis Acid

Lewis Acid Catalysis with Cationic Dinuclear Gold(II,II) and Gold(III,III) Phosphorus Ylide Complexes

2016 ◽  
Vol 35 (17) ◽  
pp. 2830-2835 ◽  
Author(s):  
Benjamin R. Reiner ◽  
Mark W. Bezpalko ◽  
Bruce M. Foxman ◽  
Casey R. Wade
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Lewis Acid Catalysis ◽  
Phosphorus Ylide ◽  
Ylide Complexes

Radical Changes in Lewis Acid Catalysis: Matching Metal and Substrate

2016 ◽  
Vol 55 (27) ◽  
pp. 7852-7856 ◽  
Author(s):  
Tim Bleith ◽  
Qing-Hai Deng ◽  
Hubert Wadepohl ◽  
Lutz H. Gade
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Lewis Acid Catalysis

Boosting Lewis Acid Catalysis in Water-in-Oil Metallomicroemulsions

ChemCatChem ◽  
2012 ◽  
Vol 4 (12) ◽  
pp. 1979-1986 ◽  
Author(s):  
María Méndez-Pérez ◽  
Luis García-Río ◽  
Moisés Pérez-Lorenzo
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Lewis Acid Catalysis
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