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conjugate addition (30) 30
chemistry, organic (23) 23
chemistry, multidisciplinary (19) 19
catalysis (18) 18
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lewis acid (11) 11
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enantioselective conjugate addition (3) 3
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1,3-bis (2) 2
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Catalysis Communications, ISSN 1566-7367, 01/2014, Volume 43, pp. 173 - 178
Fluoroboric acid (HBF ) adsorbed on mesoporous silica nanoparticles of 25–30 nm dimension was synthesized and characterized by N adsorption, HRTEM, EDX, XPS,... 
Xanthenes | Mesoporous silica nanoparticle | Conjugate Brønsted–Lewis acid | Tetraketones | Conjugate Brønsted-Lewis acid | Conjugate Bronsted-Lewis acid | FLUOROBORIC ACID | CHEMISTRY, PHYSICAL | REUSABLE HETEROGENEOUS CATALYST | EFFICIENT | Nanoparticles | Silica
Journal Article
ACS Catalysis, ISSN 2155-5435, 07/2016, Volume 6, Issue 7, pp. 4189 - 4194
Journal Article
Chemical Science, ISSN 2041-6520, 05/2013, Volume 4, Issue 5, pp. 2218 - 2233
The direct asymmetric conjugate addition of alpha-cyanoacetates to enones generating densely functionalized alpha-amino acid precursors with adjacent... 
BIMETALLIC CATALYSIS | AZA-CLAISEN REARRANGEMENT | PALLADIUM COMPLEXES | CYANO CARBOXYLATES | ENANTIOSELECTIVE CONJUGATE ADDITIONS | ALLYLIC AMINES | 1,3-DICARBONYL COMPOUNDS | QUATERNARY STEREOCENTERS | PALLADACYCLE CATALYSTS | FRIEDEL-CRAFTS ALKYLATION | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
CHEMICAL COMMUNICATIONS, ISSN 1359-7345, 2014, Volume 50, Issue 58, pp. 7889 - 7892
An efficient Bronsted acid assisted Lewis base catalysis protocol for the synthesis of enantiomerically pure trifluoromethylated dihydro-pyridazines starting... 
HYDRAZONES | DIARYLPROLINOL | ENANTIOSELECTIVE SYNTHESIS | ALPHA,BETA-UNSATURATED ALDEHYDES | 1,3-DIPOLAR CYCLOADDITION | ENE REACTION | X-RAY | IMINIUM | CHEMISTRY, MULTIDISCIPLINARY | CONJUGATE ADDITION | AZOMETHINE IMINES
Journal Article
Chemical communications (Cambridge, England), ISSN 1359-7345, 07/2014, Volume 50, Issue 58, pp. 7889 - 7892
An efficient Brønsted acid assisted Lewis base catalysis protocol for the synthesis of enantiomerically pure trifluoromethylated dihydropyridazines starting... 
Stereoisomerism | Heterocyclic Compounds - chemical synthesis | Catalysis | Fluorine - chemistry | Hydrazones - chemistry | Lewis Bases - chemistry | Aldehydes - chemistry
Journal Article
Synlett, ISSN 0936-5214, 03/2011, Volume 2011, Issue 5, pp. 631 - 634
Abstract Intramolecular hydroaminations of conjugated acyclic aminodienes catalyzed by Lewis acids such as silver triflate, cationic gold complexes,... 
letter | conjugated dienes | Lewis acids | sulfonamides | triflic acid | hydroamination | 1,3-DIENES | CHEMISTRY, ORGANIC | UNACTIVATED OLEFINS | ALKYNES | ALKENES | HETEROCYCLES | INTERMOLECULAR HYDROAMINATION | BONDS | STEREOSELECTIVE-SYNTHESIS
Journal Article
Journal of Fluorine Chemistry, ISSN 0022-1139, 1998, Volume 89, Issue 1, pp. 117 - 123
Conjugate Brönsted-Lewis superacids in fluorosulfuric acid are studied by two techniques. Hammett acidity function studies on HSO F-Ta(SO F) in the... 
Brönsted–Lewis | Conjugate | Protonic acid | Brönsted-Lewis | protonic acid | TETRAKIS(FLUOROSULFATO)AURATE(III) | BEHAVIOR | CHEMISTRY, ORGANIC | CONVENIENT | ION | Bronsted-Lewis | FLUORIDE | CHEMISTRY, INORGANIC & NUCLEAR | conjugate | MOLECULAR-STRUCTURES | BIS(FLUOROSULFATE) | SYSTEMS | H2SO4-HSO3F | GOLD(III) FLUOROSULFATE
Journal Article
Kobunshi Ronbunshu, ISSN 0386-2186, 2014, Volume 71, Issue 8, pp. 382 - 385
Journal Article
07/2016, ISBN 3527336184, Volume 3, 46
One of the unique features of Lewis base catalysis is the capability of enhancing both nucleophilic and electrophilic characters within a molecule either... 
BINOL | oxazaborolidinium salts | ewis acid | akurai allylation | trimethylsilyl cyanide | cyanohydrin | aluminum | conjugate addition | salen complexes | heterocyclic carbene complex | eissert reaction | bifunctional catalysis | Strecker | double activation catalysis | enolate | allyltrimethoxysilane | complex | copper | n → σ | metallodienolate | fluoride activation | acylaziridines | ewis base | ukaiyama–aldol reaction | nonlinear effect | salts | silylcyanation | rønsted base | synergistic catalysis | ammonium fluorides | reaction | annich reaction | acylpyrroles | diastereoconvergent | ewis base activation | sulfonium fluorides | aldimines | quinoline | ukaiyama | acylquinolinium salts | ketimines | osomi | lanthanide complexes | α; β‐unsaturated δ‐lactones | silver | phosphine oxide | Bifunctional catalysis (Lewis acid-Lewis base | N -heterocyclic carbene complex | Silylcyanation | Fluoride activation | N -acylaziridines | Silver(I) salts | Copper(I) enolate | Hosomi-Sakurai allylation | α; β-unsaturated δ-lactones | Oxazaborolidinium salts | Allyltrimethoxysilane | Double activation catalysis | Quinoline | Aldimines | Lewis base activation | Diastereoconvergent | Synergistic catalysis | Ketimines | Reissert reaction | Lewis acid-Brønsted base | Conjugate addition | Aluminum-BINOL complex | Lanthanide complexes | N -acylpyrroles | Phosphine oxide | Mukaiyama-aldol reaction | Trimethylsilyl cyanide | Cyanohydrin | N → σ | Strecker reaction | Metallodienolate | Mukaiyama-Mannich reaction | Salen complexes | N -acylquinolinium salts | Nonlinear effect | Sulfonium fluorides | Ammonium fluorides
Book Chapter
06/2008, ISBN 9780471596684, 34
This chapter contains sections titled: Defining Acidity Definition of Superacids Types of Superacids Experimental Techniques for Acidity Measurements (Protic... 
defining acidity | experimental techniques for acidity measurements (protic acids) | superacids, similar to conventional acid systems – Brønsted and Lewis acids and their conjugate systems
Book Chapter
CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, ISSN 0008-4042, 11/1999, Volume 77, Issue 11, pp. 1869 - 1886
The Bronsted-Lewis superacid HSO3F-SbF5 or "magic acid" is re-investigated by modern F-19 NMR methods over a wide concentration range. The system is found to... 
RELATIVE ACIDITY | F-19 NMR spectra | conjugate superacid | SBF5 | MEDIA | SYSTEMS | HF-SBF5 | magic acid | FLUOROSULFATE | fluorosulfuric acid | ANTIMONY PENTAFLUORIDE | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
CHEMICAL & PHARMACEUTICAL BULLETIN, ISSN 0009-2363, 10/2019, Volume 67, Issue 10, pp. 1046 - 1049
A new catalytic system comprising chiral Ag complex and Li aryloxide/bisphosphine oxide is developed for the synthesis of beta(2,2)-amino acids via direct... 
CHEMISTRY, MEDICINAL | PEPTIDES | ISOXAZOLIDIN-5-ONES | Mannich reaction | beta-amino acid | PHARMACOLOGY & PHARMACY | asymmetric catalysis | Lewis base | CHEMISTRY, MULTIDISCIPLINARY | CONJUGATE ADDITION
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 03/2016, Volume 57, Issue 10, pp. 1150 - 1153
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 08/2016, Volume 2016, Issue 24, pp. 4116 - 4123
Shibasaki catalysts are a unique, highly efficient, and broadly applicable class of catalysts, which enable highly enantioselective reactions, have a broad... 
Bifunctional catalysts | Industrial chemistry | Lanthanum | Enantioselectivity | Asymmetric catalysis | MICHAEL REACTION | CHIRAL LIGANDS | ALPHA-AMINO PHOSPHONATES | PRACTICAL SYNTHESIS | BINOL COMPLEX | CHEMISTRY, ORGANIC | ENANTIOSELECTIVE CYANOSILYLATION | ENANTIOMERICALLY PURE | ALDOL REACTION | METAL-COMPLEXES | CONJUGATE ADDITION | Catalysts | Usage
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 05/2014, Volume 53, Issue 21, pp. 5327 - 5331
Soft Lewis acid/Bronsted base cooperative catalysts have enabled direct catalytic asymmetric vinylogous conjugate addition of [alpha],[beta]- and... 
Enantiomers | Analysis | Economics | Lewis acid | Conjugates | Asymmetry | Catalysts | Butyrolactone | Derivatives | Catalysis | Lactones
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 03/2009, Volume 351, Issue 5, pp. 715 - 719
Journal Article
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