Carbocations as Lewis Acid Catalysts in Diels-Alder and Michael Addition Reactions

2013 ◽  
Vol 20 (4) ◽  
pp. 1066-1072 ◽  
Author(s):  
Juho Bah ◽  
Johan Franzén
Keyword(s):  
Lewis Acid ◽  
Michael Addition ◽  
Diels Alder ◽  
Addition Reactions ◽  
Acid Catalysts ◽  
Lewis Acid Catalysts

Catalyzed Orientation Reversals in Diels–Alder Reactions

1975 ◽  
Vol 53 (4) ◽  
pp. 616-618 ◽  
Author(s):  
Žarko Stojanac ◽  
Robert A. Dickinson ◽  
Nada Stojanac ◽  
Ronald J. Woznow ◽  
Zdenek Valenta
Keyword(s):  
Lewis Acid ◽  
Diels Alder ◽  
Acid Catalysts ◽  
Acid Salt ◽  
Lewis Acid Catalysts ◽  
Preferential Formation ◽  
Orientation Reversal

Lewis acid catalysts cause an orientation reversal in the Diels–Alder additions of 2,6-di-methyl-1,4-quinone (1) and toluquinone (12) to 1-substituted 1,3-butadienes and to 1,2- and 1,3-dialkyl dienes. These results are explained by the preferential formation of one reactive quinone–Lewis acid salt.

Anhydrous zirconium(IV) sulfate and tin(IV) sulfate: solid Lewis acid catalysts in liquid-phase hydro-acyloxy-addition reactions?

2001 ◽  
Vol 3 (19) ◽  
pp. 4423-4429 ◽  
Author(s):  
Ivo J. Dijs ◽  
Roene de Koning ◽  
John W. Geus ◽  
Leonardus W. Jenneskens
Keyword(s):  
Liquid Phase ◽  
Lewis Acid ◽  
Addition Reactions ◽  
Acid Catalysts ◽  
Lewis Acid Catalysts

An In-Depth Look at the Effect of Lewis Acid Catalysts on Diels—Alder Cycloadditions in Ionic Liquids.

ChemInform ◽  
2005 ◽  
Vol 36 (45) ◽  
Author(s):  
Guadalupe Silvero ◽  
Maria Jose Arevalo ◽  
Jose Luis Bravo ◽  
Martin Avalos ◽  
Jose Luis Jimenez ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Lewis Acid ◽  
Diels Alder ◽  
Acid Catalysts ◽  
Lewis Acid Catalysts

New Lewis acid catalysts for the Diels-Alder reaction

1989 ◽  
Vol 30 (11) ◽  
pp. 1357-1360 ◽  
Author(s):  
T. Ross Kelly ◽  
Sanat K. Maity ◽  
Premji Meghani ◽  
Nizal S. Chandrakumar
Keyword(s):  
Lewis Acid ◽  
Alder Reaction ◽  
Diels Alder ◽  
Acid Catalysts ◽  
Lewis Acid Catalysts ◽  
Diels Alder Reaction

ChemInform Abstract: New Lewis Acid Catalysts for the Diels-Alder Reaction.

ChemInform ◽  
1989 ◽  
Vol 20 (38) ◽  
Author(s):  
T. R. KELLY ◽  
S. K. MAITY ◽  
P. MEGHANI ◽  
N. S. CHANDRAKUMAR
Keyword(s):  
Lewis Acid ◽  
Alder Reaction ◽  
Diels Alder ◽  
Acid Catalysts ◽  
Lewis Acid Catalysts ◽  
Diels Alder Reaction
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