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Chemistry – A European Journal, ISSN 0947-6539, 11/2017, Volume 23, Issue 61, pp. 15336 - 15347
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 06/2016, Volume 358, Issue 11, pp. 1801 - 1809
A new class of trifunctional squaramide catalyst acting by means of multiple interactions has been found in a study of the Henry reaction. Enantiomerically... 
organocatalysis | squaramides | trifunctional catalysts | aldehydes | nitroalkanes | Henry reaction | SYSTEM | CHEMISTRY, ORGANIC | HYDROGEN-BONDING ORGANOCATALYSTS | ASYMMETRIC ORGANOCATALYSIS | CHEMISTRY, APPLIED | NITROALDOL REACTION | DERIVATIVES | Catalysis | Enantiomers | Aldehydes | Hydrogen | Synthesis | Asymmetry | Catalysts | Computation | Mathematical analysis | Activation | Hydrogen bonding
Journal Article
Chemistry (Weinheim an der Bergstrasse, Germany), ISSN 0947-6539, 02/2020
The first asymmetric catalyzed aza-Henry reaction of hydrazones is presented. In this process, quinine was used as the catalyst to synthesize different alkyl... 
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 12/2005, Volume 127, Issue 50, pp. 17622 - 17623
In situ generated azomethines from readily available precursors react with nitromethane in the presence of 120 mol % of CsOH·H2O and 12 mol % of quinine- and... 
CINCHONA ALKALOIDS | NITROMETHANE ANION | QUATERNARY AMMONIUM-SALTS | DUAL FUNCTIONS | PHASE-TRANSFER CATALYSIS | ALPHA-AMINO-ACIDS | ASYMMETRIC MANNICH REACTIONS | AMIDOALKYLPHENYL SULFONES | STEREOSELECTIVE-SYNTHESIS | CHEMISTRY, MULTIDISCIPLINARY | CONJUGATE ADDITION | Aldehydes | Sulfones | Chemical properties
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 01/2018, Volume 360, Issue 1, pp. 124 - 129
Pioneering aldol and Henry reactions starting from benzylic‐type alcohols are described. The aldol reaction has been successfully performed following a one‐pot... 
organocatalysis | aldol reaction | aldehydes | one-pot procedure | oxidation | alcohols | Henry reaction | manganeses dioxide (MnO2) | manganeses dioxide (MnO | LEWIS-BASE CATALYSIS | CHEMISTRY, ORGANIC | CHEMISTRY, APPLIED | IMINIUM | Enantiomers | Aldehydes | Alcohol | Alcohols
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 06/2008, Volume 130, Issue 25, pp. 7955 - 7966
An efficient catalytic asymmetric aza-Henry reaction under phase transfer conditions is presented. The method is based on the reaction of the respective... 
ALPHA-AMIDO SULFONES | AMINO-ACID | MOLECULAR RECOGNITION | AB-INITIO | STEREOSELECTIVE-SYNTHESIS | INHIBITORS | DENSITY-FUNCTIONAL THEORY | CHEMISTRY, MULTIDISCIPLINARY | IN-SITU | NITRO-MANNICH REACTION | MICHAEL ADDITION | Amines | Chemical properties | Catalysis | Hydrogen bonding | Analysis | Sulfones
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 12/2005, Volume 45, Issue 1, pp. 117 - 120
Hooray aza‐Henry! A combination of zinc triflate, an amine base, and (−)‐N‐methylephedrine (NME), which can be easily recovered and reused, leads to high... 
enantioselectivity | amines | nitro compounds | asymmetric catalysis | Nitro compounds | Amines | Enantioselectivity | Asymmetric catalysis
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 11/2017, Volume 23, Issue 61, p. n/a
Different combinations of functionals and basis sets are evaluated to find an accurate computational approach for a squaramide‐catalyzed Henry reaction. This... 
mechanism | squaramide | trifunctional | computational | Henry reaction | Catalysis | Functionals | Computer applications
Journal Article
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, ISSN 1433-7851, 2006, Volume 45, Issue 1, pp. 117 - 120
Journal Article
Organic Letters, ISSN 1523-7060, 09/2005, Volume 7, Issue 20, pp. 4407 - 4410
N-Sulfinylimines derived from aromatic or aliphatic aldehydes and ketones react with nitromethane and NaOH in a highly diastereoselective manner under mild... 
ACID-DERIVATIVES | ALDIMINES | ONE-POT SYNTHESIS | ALKYLATION | SULFINYL IMINES | CHEMISTRY, ORGANIC | TERT-BUTANESULFINYL | 1,2-DIAMINES | STEREOSELECTIVE-SYNTHESIS | NITRO-MANNICH REACTION
Journal Article
Tetrahedron, ISSN 0040-4020, 2006, Volume 62, Issue 52, pp. 12197 - 12203
N-Sulfinylimines derived from aromatic and aliphatic aldehydes react with nitroethane and NaOH, yielding mainly two diastereoisomeric β-nitroamines as the... 
Sulfoxides | Amines | Asymmetric synthesis | Imines | Diastereoselectivity | ALDIMINES | ONE-POT SYNTHESIS | CONVERSION | amines | CHEMISTRY, ORGANIC | imines | TERT-BUTANESULFINYL | 1,2-DIAMINES | SULFONES | diastereoselectivity | VICINAL DIAMINES | NITRO-MANNICH REACTION | ACID-DERIVATIVES | asymmetric synthesis | SULFINYL IMINES | sulfoxides
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 04/2004, Volume 126, Issue 16, pp. 5243 - 5252
One reference tertiary amine and three families of structurally related trialkylamines and dendrimers have been synthesized, characterized, and studied by... 
POLYMERS | ENANTIOSELECTIVE CATALYSIS | SHAPE | DENDRITIC CATALYSTS | ENZYME MIMICS | CONVERGENT APPROACH | DYNAMICS | SITE ISOLATION | CHEMISTRY, MULTIDISCIPLINARY | MM3 FORCE-FIELD | MOLECULAR MECHANICS | Chemical reactions | Dendrimers | Amines | Research | Catalysis
Journal Article
ACS Catalysis, ISSN 2155-5435, 10/2017, Volume 7, Issue 10, pp. 6430 - 6439
This computational and experimental study represents a case where “push–pull π+/π–” (PPππ) systems have shown a concrete application in chemistry apart from... 
Squaramide | Organocatalysis | PPππ | Henry | Push-pull
Journal Article
ODISEA. Revista de estudios ingleses, ISSN 1578-3820, 02/2017, Issue 1
Journal Article
ACS CATALYSIS, ISSN 2155-5435, 10/2017, Volume 7, Issue 10, pp. 6430 - 6439
This computational and experimental study represents a case where "push-pull pi+/pi-" (PP pi pi) systems have shown a concrete application in chemistry apart... 
MOLECULAR-ORBITAL METHODS | HYDROGEN-BOND | PP pi pi | CHEMISTRY, PHYSICAL | ANION-PI | ACIDIC SURFACES | MICHAEL ADDITION | organocatalysis | push-pull | NITROALDOL HENRY REACTION | TOPOLOGICAL ANALYSIS | BASIS-SETS | STEREOGENIC CENTERS | squaramide | Henry | ELECTRON-DENSITY
Journal Article
Organic Letters, ISSN 1523-7060, 09/2005, Volume 7, Issue 20, pp. 4407 - 4410
Journal Article
Chemical Society Reviews, ISSN 0306-0012, 2009, Volume 38, Issue 2, pp. 632 - 653
Chiral, metal-free Bronsted bases have been demonstrated capable of catalyzing several types of C-C and C-X bond-forming reactions with high chemical and... 
AZA-HENRY REACTION | MODIFIED CINCHONA-ALKALOIDS | MICHAEL-ALDOL REACTIONS | DIASTEREOSELECTIVE MANNICH REACTIONS | AMINO-ACIDS | ENANTIOSELECTIVE CONJUGATE ADDITION | SUBSTITUTED ALPHA-CYANOACETATES | CYCLIC ACID ANHYDRIDES | BETA-DICARBONYL COMPOUNDS | CHEMISTRY, MULTIDISCIPLINARY | DYNAMIC KINETIC RESOLUTION
Journal Article