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Angewandte Chemie International Edition, ISSN 1433-7851, 01/2016, Volume 55, Issue 4, pp. 1460 - 1464
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 01/2017, Volume 56, Issue 5, pp. 1411 - 1415
Tetratrifylpropene (TTP) has been developed as a highly acidic, allylic C–H acid for Brønsted and Lewis acid catalysis. It can readily be obtained in two steps... 
Lewis acids | tetratriflylpropene | Brønsted acids | allylic C–H acids | strong acids | ANIONS | ACTIVATION | ACIDITIES | ORGANOCATALYSIS | MUKAIYAMA-MICHAEL REACTION | SALTS | CHEMISTRY, MULTIDISCIPLINARY | SUPERACIDS | allylic C-H acids | BASE | CHEMISTRY | SCALE | Bronsted acids | Lewis acid | Salts | Nuclear magnetic resonance--NMR | Acids | Acidity | Catalysis | Aldehydes | Acylation
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 03/2005, Volume 44, Issue 13, pp. 1924 - 1942
Journal Article
Catalysis Today, ISSN 0920-5861, 11/2014, Volume 236, pp. 153 - 170
Journal Article
Journal of Catalysis, ISSN 0021-9517, 04/2011, Volume 279, Issue 1, pp. 174 - 182
Furfural selectivity increases with an increase in the Brønsted to Lewis acid site ratio of the catalyst. Lewis acid sites decrease furfural selectivity by... 
Xylose | Acid catalyst | Furfural | Dehydration | Lewis | Brønsted | ZERO CHARGE | D-XYLOSE | CHEMISTRY, PHYSICAL | ZIRCONIUM-PHOSPHATE | Bronsted | OXIDE CATALYSTS | ENGINEERING, CHEMICAL | HIGH-SURFACE-AREA | LIQUID ALKANES | BIOMASS | GLUCOSE | CHEMISTRY | WATER | Adsorption | Zeolites | Sugars | Humic acid | Monosaccharides
Journal Article
Organic Letters, ISSN 1523-7060, 03/2015, Volume 17, Issue 6, pp. 1389 - 1392
A chiral phosphoric acid catalyzed enantioselective decarboxylative alkylation of β-keto acids with 3-hydroxy-3-indolyloxindoles is described in this context.... 
ASYMMETRIC CATALYSIS | MANNICH REACTION | ORGANOCATALYSTS | ALDOL REACTION | 3-HYDROXY OXINDOLES | BRONSTED ACIDS | AQUEOUS-MEDIA | CONSTRUCTION | CHEMISTRY, ORGANIC | KETOACIDS | MICHAEL ADDITION
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 01/2018, Volume 360, Issue 1, pp. 161 - 172
We report that triflic acid, a strong Brønsted acid, is a very powerful alternative to FeCl3 to mediate the hydroarylation of N−Ac indoles, which delivers... 
Hydroarylation | Brønsted acid | Friedel-Crafts | Umpolung | Indole | ELECTROPHILICITY | ACETYL INDOLES | CATALYTIC ASYMMETRIC DEAROMATIZATION | CHEMISTRY, ORGANIC | BENZOFUROINDOLINES | FECL3 | PHENOLS | NUCLEOPHILIC-SUBSTITUTION REACTION | CHEMISTRY | BrOnsted acid | CHEMISTRY, APPLIED | DERIVATIVES | TRANSFORMATIONS | Triflic acid | Indoles | Acids | Iron chlorides | Organic chemistry | Chemical Sciences
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 11/2014, Volume 2014, Issue 31, pp. 6868 - 6872
A Brønsted acid/Lewis acid dual catalyst system was developed to promote efficient C–C bond formation between a range of oxocarbenium precursors derived from... 
Lewis acids | Diazo compounds | Enantioselectivity | Oxocarbenium ions | Brønsted acids | SYSTEM | ACTIVATION | ALKYLATION | CHEMISTRY, ORGANIC | DIAZO-COMPOUNDS | ALDEHYDES | ENANTIOSELECTIVE ADDITION | CHROMENE ACETALS | ETHYL DIAZOACETATE | MANNICH-TYPE REACTION | Bronsted acids
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 09/2007, Volume 129, Issue 37, pp. 11336 - 11337
We have developed a highly enantioselective Pd/chiral acid-catalyzed α-allylation of α-branched aldehydes with an allyl amine as the allylating species that... 
BRONSTED ACID | KETONES | HYDROGENATION | IMINES | CARBON QUATERNARY STEREOCENTERS | CONSTRUCTION | ALLYLIC ALKYLATION | CYCLOPROPANATION | ORGANOCATALYSIS | ENAMINES | CHEMISTRY, MULTIDISCIPLINARY
Journal Article