X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (954) 954
Publication (40) 40
Book Review (19) 19
Book Chapter (6) 6
Dissertation (2) 2
Book / eBook (1) 1
Conference Proceeding (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
nitroolefins (842) 842
chemistry, organic (588) 588
michael addition (268) 268
aldehydes (254) 254
catalysis (252) 252
chemistry, multidisciplinary (246) 246
ketones (244) 244
derivatives (241) 241
nitroalkenes (220) 220
conjugate addition (187) 187
organocatalysis (179) 179
index medicus (139) 139
asymmetric catalysis (118) 118
catalysts (109) 109
stereoisomerism (100) 100
efficient (96) 96
organocatalysts (96) 96
molecular structure (92) 92
thiourea (85) 85
construction (83) 83
chemistry, physical (82) 82
michael reaction (80) 80
nitroolefin (79) 79
chemistry, applied (72) 72
synthesis (70) 70
asymmetric michael addition (69) 69
1,3-dicarbonyl compounds (68) 68
enantiomers (68) 68
bifunctional organocatalysts (66) 66
chemistry (65) 65
proline (62) 62
enantioselective conjugate addition (56) 56
aldol reactions (55) 55
amines (55) 55
asymmetric-synthesis (55) 55
enantioselective synthesis (54) 54
organocatalyst (48) 48
acid (47) 47
alkenes - chemistry (46) 46
asymmetric synthesis (46) 46
olefins (46) 46
water (46) 46
asymmetry (45) 45
beta-nitrostyrenes (45) 45
one-pot synthesis (45) 45
nitro-olefins (44) 44
organic-synthesis (44) 44
alkylation (43) 43
cyclohexanone (43) 43
chemical properties (42) 42
cycloaddition (42) 42
inhibitors (42) 42
enantioselective michael addition (40) 40
cyclization (39) 39
alpha,alpha-disubstituted aldehydes (38) 38
asymmetric conjugate addition (38) 38
carbonyl-compounds (38) 38
nitrostyrenes (38) 38
chemistry, medicinal (37) 37
nitro compounds - chemistry (36) 36
catalyst (33) 33
enantioselectivity (33) 33
acids (32) 32
aldol reaction (32) 32
alkaloids (32) 32
analysis (32) 32
nitroalkanes (32) 32
activation (31) 31
complexes (31) 31
esters (30) 30
ligands (30) 30
alpha,beta-unsaturated ketones (29) 29
chemistry, inorganic & nuclear (29) 29
reduction (29) 29
aldehydes - chemistry (28) 28
aldol (28) 28
conjugated nitroalkenes (28) 28
design (28) 28
direct conjugate addition (28) 28
organic chemistry (28) 28
friedel-crafts alkylation (27) 27
tetrahedrons (27) 27
alkenes (26) 26
heterocycles (26) 26
indoles (26) 26
thioureas (26) 26
1,4-addition reactions (25) 25
cyclic-ketones (25) 25
diels-alder reactions (25) 25
highly efficient (25) 25
hydrogenation (25) 25
letter (25) 25
asymmetric organocatalysis (24) 24
enones (24) 24
pyrazoles (24) 24
chemical synthesis (23) 23
hydrazones (23) 23
paper (23) 23
pharmacology & pharmacy (23) 23
pyrrolidine-thiourea (23) 23
more...
Library Location Library Location
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (950) 950
Chinese (17) 17
Japanese (11) 11
German (4) 4
Dutch (1) 1
French (1) 1
Russian (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Heterocycles, ISSN 0385-5414, 2016, Volume 92, Issue 8, pp. 1468 - 1478
An environmentally benign and efficient method has been developed for the synthesis of naphtho[2,1-b]furan from (E)-(2-nitrovinyl)benzene and naphthalen-2-ol... 
NITROOLEFINS | CHEMISTRY, ORGANIC | CYCLIZATION | ACCESS
Journal Article
Organic Letters, ISSN 1523-7060, 04/2012, Volume 14, Issue 7, pp. 1724 - 1727
Bordwell’s method of overlapping indicators was used to determine the pK a values of some of the most popular (thio)urea organocatalysts via UV... 
ACID CATALYSTS | DIMETHYLSULFOXIDE | BAYLIS-HILLMAN REACTION | NITROOLEFINS | CHEMISTRY, ORGANIC | ALDEHYDES | PICTET-SPENGLER REACTIONS | THIOUREA ORGANOCATALYST | DERIVATIVES | NITROALKENES | BIFUNCTIONAL ORGANOCATALYSTS
Journal Article
Organic Letters, ISSN 1523-7060, 07/2016, Volume 18, Issue 13, pp. 3190 - 3193
Photoinduced glycosylation of alcohols with α-glucosyl trichloroacetimidates, using aryl urea and thioureas as organo photoacids, was examined under long... 
MICHAEL REACTION | THIOGLYCOSIDES | ACTIVATION | COOPERATIVE CATALYSIS | ORGANOCATALYST | O-GLYCOSYLATION | NITROOLEFINS | CHEMISTRY, ORGANIC | DONORS | GENERATION | DERIVATIVES
Journal Article
Chemical Communications, ISSN 1359-7345, 08/2011, Volume 47, Issue 29, pp. 8337 - 8339
A new and efficient synthesis of highly substituted tetrahydroimidazole derivatives by means of visible light-induced intramolecular cyclization reactions has... 
SULFUR YLIDES | CYCLOADDITIONS | TETRAHYDROFOLIC ACID | PHOTOCATALYSIS | ORGANOCATALYSIS | NITROOLEFINS | PHOTOCHEMISTRY | ALDEHYDES | C-H FUNCTIONALIZATION | CHEMISTRY, MULTIDISCIPLINARY | PHOTOREDOX CATALYSIS
Journal Article
Organic Letters, ISSN 1523-7060, 08/2016, Volume 18, Issue 15, pp. 3702 - 3705
A novel domino palladium-catalyzed nitration of Meyer–Schuster intermediates which were generated in situ from propargylic alcohols was developed, by the use... 
REARRANGEMENT | NITROARENES | (BUONO)-BU-T | PROPARGYLIC ALCOHOLS | CARBOCYCLIZATION | NITROOLEFINS | CHEMISTRY, ORGANIC | OLEFINS | DIRECT ACCESS | STEREOSELECTIVE NITRATION | EFFICIENT
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 01/2010, Volume 132, Issue 1, pp. 50 - 51
A novel strategy for the catalytic asymmetric Michael addition of aldehydes to nitroolefins on water has been developed and provided the Michael adducts in... 
KETONES | ACID CATALYSTS | NITROOLEFINS | ALDEHYDES | CHEMISTRY, MULTIDISCIPLINARY | NITROALKENES | CONJUGATE ADDITION | Arylation | Olefins | Analysis | Proline | Chemical properties | Catalysis | Aldehydes | Structure
Journal Article
Organic Letters, ISSN 1523-7060, 11/2015, Volume 17, Issue 21, pp. 5168 - 5171
A highly efficient and practical one-pot sequential process, consisting of an organocatalytic enantioselective Friedel–Crafts-type addition of 4-nonsubstituted... 
ISATIN-DERIVED KETIMINES | HIGHLY ENANTIOSELECTIVE SYNTHESIS | MANNICH REACTION | NATURAL-PRODUCTS | QUATERNARY STEREOCENTERS | TERTIARY STEREOCENTERS | NITROOLEFINS | CHEMISTRY, ORGANIC | N-BOC KETIMINES | 3-SUBSTITUTED OXINDOLES | MICHAEL ADDITION
Journal Article
Organic Letters, ISSN 1523-7060, 09/2007, Volume 9, Issue 19, pp. 3717 - 3720
The development of a highly efficient, polymer-supported organocatalyst for the Michael addition of ketones to nitroolefins is described. A 1,2,3-triazole... 
AMINO ALCOHOL LIGANDS | KETONES | ORGANOCATALYSTS | ASYMMETRIC CONJUGATE ADDITION | THIOUREA | NITROOLEFINS | CHEMISTRY, ORGANIC | ALDEHYDES | DERIVATIVES | PROLINE | IMMOBILIZATION
Journal Article
Organic Letters, ISSN 1523-7060, 06/2015, Volume 17, Issue 12, pp. 3026 - 3029
High catalytic activity of novel epi-quinine-derived 3,5-bis(CF3)benzamide in the asymmetric nitro-Michael reaction is described. With 0.1-5 mol % loadings of... 
ENANTIOSELECTIVE SYNTHESIS | THIOUREA | MALONATE | NITROOLEFINS | CHEMISTRY, ORGANIC | ALDEHYDES | NITROALKENES | BIFUNCTIONAL ORGANOCATALYSTS | CONJUGATE ADDITION
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 07/2005, Volume 44, Issue 27, pp. 4212 - 4215
The direct, catalytic, asymmetric Michael addition of aldehydes to nitroolefins in the presence of a chiral diphenylprolinol silyl ether organocatalyst is... 
Michael addition | organocatalysis | nitroalkenes | diphenylprolinol | asymmetric catalysis | Asymmetric catalysis | Diphenylprolinol | Nitroalkenes | Organocatalysis | BETA-NITROSTYRENES | DIELS-ALDER REACTIONS | ALDOL REACTIONS | CHEMISTRY, MULTIDISCIPLINARY | KETONES | NITROOLEFINS | NITRO-OLEFINS | ADDITIONS | PROLINE | DERIVATIVES | CATALYSTS
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 06/2011, Volume 133, Issue 23, pp. 8822 - 8825
Kinetic studies of the conjugate addition of propanal to nitrostyrene catalyzed by diarylprolinol ethers reveal that formation of the product iminium species... 
ETHERS | C-N | BEHAVIOR | BOND-FORMING REACTIONS | CYCLOHEXANONE | NITROOLEFINS | CHEMISTRY | ASYMMETRIC MICHAEL-ADDITIONS | ENAMINE CATALYSIS | CHEMISTRY, MULTIDISCIPLINARY | NITROALKENES
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 2018, Volume 16, Issue 43, pp. 8191 - 8195
Heterocyclic compounds bearing 1,2,3-triazole scaffolds have found wide application both in medicinal chemistry and materials science. In this paper,... 
ACTIVATION | MILD CONDITIONS | AZIDES | ANNULATION | 1,2,3-TRIAZOLES | 1,3-DIPOLAR CYCLOADDITION | REGIOSELECTIVE SYNTHESIS | NITROOLEFINS | CHEMISTRY, ORGANIC | TERMINAL ALKYNES | CYCLIZATION
Journal Article
Organic & biomolecular chemistry, ISSN 1477-0520, 06/2016, Volume 14, Issue 22, pp. 5073 - 5078
A unique copper-catalyzed binucleophilic switching of 2-aminopyridine has been developed for the regioselective synthesis of 2- and... 
Journal Article
Synlett, ISSN 0936-5214, 03/2014, Volume 25, Issue 5, pp. 603 - 607
Abstract Synthetic utility of nitroolefins in fundamental organic synthesis has inspired us to develop a method to access nitroolefins stereoselectively... 
synpacts | olefin | nitroolefin | stereoselective | high yields | nitration | NITROOLEFINS | CHEMISTRY, ORGANIC | CONVENIENT | NITROALKENES
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 06/2011, Volume 17, Issue 25, pp. 6890 - 6899
Journal Article
JOURNAL OF ORGANIC CHEMISTRY, ISSN 0022-3263, 02/2019, Volume 84, Issue 3, pp. 1523 - 1533
Four 2-(trifluoromethylsulfonamidoalkyl)pyrrolidines and their D-prolinamides were prepared and screened as organocatalysts for the Michael addition reaction... 
PHOSPHONIC ACID | DIPEPTIDES | KETONES | REQUIREMENTS | 1,4-ADDITION REACTIONS | STEREOSELECTIVITY | POLYMER | NITROOLEFINS | CHEMISTRY, ORGANIC | TRIPEPTIDES | CATALYSTS
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 05/2017, Volume 82, Issue 10, pp. 5274 - 5284
A new highly efficient method for the synthesis of 2-fluoro-2-nitrostyrenes was described. Radical nitration of readily available 2-bromo-2-fluorostyrenes with... 
MORITA-BAYLIS-HILLMAN | BETA-NITROSTYRENES | NITRO-COMPOUNDS | AMINES | NITROOLEFINS | CHEMISTRY, ORGANIC | ASYMMETRIC MICHAEL ADDITION | TEMPO | CATALYTIC OLEFINATION | NITROALKENES | HETEROCYCLIC-COMPOUNDS
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 03/2016, Volume 81, Issue 6, pp. 2598 - 2606
A novel DBU-mediated stereoselective spirocyclopropanation of para-quinone methides with sulfonium salts has been developed on the basis of the mode involving... 
CYCLOADDITION | POLYMERS | ASYMMETRIC 1,6-CONJUGATE ADDITION | ACID | FORMAL 4+1 ANNULATION | BENZOQUINONE METHIDE | EXPEDIENT ACCESS | NITROOLEFINS | CHEMISTRY, ORGANIC | STABLE SULFUR YLIDES | IN-SITU | Chemical reactions | Chemical properties | Structure | Chemical synthesis | Chemical compounds | Analysis
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 03/2013, Volume 135, Issue 9, pp. 3355 - 3358
Nitroolefin is a common and versatile reagent. Its synthesis from olefin is generally limited by the formation of mixture of cis and trans compounds. Here we... 
ORGANIC-SYNTHESIS | CATALYSIS | STYRENES | HYDROGENATION | NITROXIDES | NITROOLEFINS | CHEMISTRY | CONVENIENT | CHEMISTRY, MULTIDISCIPLINARY | NITROALKENES | MICHAEL ADDITION | Alkenes - chemistry | Cyclic N-Oxides - chemistry | Stereoisomerism | Nitro Compounds - chemistry | Silver - chemistry | Nitro Compounds - chemical synthesis | Molecular Structure | Nitrites - chemistry
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 04/2017, Volume 56, Issue 16, pp. 4569 - 4574
We disclose an efficient one‐pot transformation of trifluorodiazoethane and higher perfluorinated homologues with various nitroolefins. This method takes... 
regioselectivity | nitroolefins | pyrazoles | diazo compounds | traceless directing groups | ALKYLBORON COMPOUNDS | DIAZOMETHANE | DIAZO-COMPOUNDS | FLUORINATED PYRAZOLES | ALKYNES | IN-SITU GENERATION | CHEMISTRY, MULTIDISCIPLINARY | 2,2,2-TRIFLUORODIAZOETHANE | CYCLOADDITION | ALKENES | INHIBITORS | Diazo compounds | Usage | Homology | Transformation | Regioselectivity | Pyrazoles
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.