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azlactones (212) 212
chemistry, organic (139) 139
chemistry, multidisciplinary (111) 111
azlactone (102) 102
derivatives (99) 99
catalysis (60) 60
index medicus (55) 55
asymmetric-synthesis (43) 43
chemistry (42) 42
dynamic kinetic resolution (35) 35
enantioselective synthesis (34) 34
organocatalysis (34) 34
polymer science (34) 34
chemistry, physical (31) 31
oxazolones (31) 31
construction (29) 29
molecular structure (29) 29
stereoisomerism (29) 29
alpha-amino-acids (28) 28
amino-acids (28) 28
acid (27) 27
amino acids (27) 27
asymmetric catalysis (26) 26
polys (25) 25
synthesis (25) 25
polymers (24) 24
aldehydes (22) 22
kinetic resolution (22) 22
materials science, multidisciplinary (22) 22
organic chemistry (22) 22
acetate (21) 21
esters (21) 21
lactones - chemistry (20) 20
solvent-free conditions (20) 20
bifunctional organocatalysts (19) 19
chemistry, applied (19) 19
efficient (19) 19
michael addition (19) 19
stereoselective-synthesis (19) 19
enantiomers (18) 18
heterocycles (18) 18
alcohols (16) 16
kinetics (16) 16
5-oxazolones (15) 15
article (15) 15
asymmetry (15) 15
catalysts (15) 15
design (15) 15
diels-alder reaction (15) 15
hydrolysis (15) 15
oxazolone (15) 15
polymerization (15) 15
acids (14) 14
biochemistry & molecular biology (14) 14
immobilization (14) 14
peptides (14) 14
1,3-dipolar cycloaddition (13) 13
analysis (13) 13
complexes (13) 13
organic-synthesis (13) 13
organocatalysts (13) 13
thin-films (13) 13
copolymers (12) 12
engineering, chemical (12) 12
hippuric acid (12) 12
hydrogenation (12) 12
nanoparticles (12) 12
nanoscience & nanotechnology (12) 12
polymers - chemistry (12) 12
reactivity (12) 12
ultrathin films (12) 12
amino acids - chemistry (11) 11
chemical reactions (11) 11
chemical synthesis (11) 11
chemistry, medicinal (11) 11
cyclization (11) 11
cycloaddition (11) 11
imines (11) 11
mannich-type reaction (11) 11
one-pot synthesis (11) 11
racemic azlactones (11) 11
conjugate addition (10) 10
crystallography (10) 10
microwave irradiation (10) 10
oxazoles (10) 10
spectroscopy (10) 10
supports (10) 10
surfaces (10) 10
acylation (9) 9
asymmetric synthesis (9) 9
density (9) 9
inhibitors (9) 9
oxazol-5--ones (9) 9
oxazolone - chemistry (9) 9
resolution (9) 9
4-arylidene-2-phenyl-5-oxazolones (8) 8
azalactones (8) 8
biomedical applications (8) 8
bronsted acid (8) 8
chemical properties (8) 8
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Journal Article
Chemistry - An Asian Journal, ISSN 1861-4728, 03/2011, Volume 6, Issue 3, pp. 720 - 734
Oxazolones or azlactones are among the most-common starting materials for the synthesis of quaternary amino acids. Since the seminal works of Steglich and... 
organocatalysis | oxazolones | asymmetric synthesis | azlactones | amino acids | MICHAEL REACTION | STEGLICH REARRANGEMENT REACTION | ASYMMETRIC-SYNTHESIS | ENANTIOSELECTIVITY | RACEMIC AZLACTONES | ALPHA-AMINO-ACIDS | CATALYST | CHEMISTRY, MULTIDISCIPLINARY | DYNAMIC KINETIC RESOLUTION | BIFUNCTIONAL ORGANOCATALYSTS | METAL-FREE
Journal Article
Angewandte Chemie - International Edition, ISSN 1433-7851, 08/2010, Volume 49, Issue 33, pp. 5672 - 5676
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 09/2019, Volume 2019, Issue 34, pp. 5830 - 5855
Azlactones, also known as oxazolones, are versatile building blocks in organic synthesis due to the presence of multiple pro‐nucleophilic and electrophilic... 
Azlactones | Erlenmeyer | Catalysis | Oxazolones | ASYMMETRIC-SYNTHESIS | CHEMISTRY, ORGANIC | COMBINATION | ACID-DERIVATIVES | CYCLOADDITION | MANNICH-TYPE REACTION | DIASTEREOSELECTIVE SYNTHESIS | ARYLIDENE AZLACTONES | CONSTRUCTION | CONJUGATE ADDITION
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 2017, Volume 15, Issue 41, pp. 8743 - 8747
Enantioselective organocatalytic inverse-electron-demand hetero-Diels-Alder reactions of in situ generated ortho-quinone methides with azlactones have been... 
AZLACTONES | ALCOHOLS | HYDROGENATION | ENANTIOSELECTIVE SYNTHESIS | ACTIVATION STRATEGY | PHENOLS | 1,3-DIPOLAR CYCLOADDITION | CHEMISTRY, ORGANIC | BRONSTED ACID CATALYSIS | DERIVATIVES | QUATERNARY
Journal Article
Organic & biomolecular chemistry, ISSN 1477-0520, 10/2017, Volume 15, Issue 41, pp. 8743 - 8747
Enantioselective organocatalytic inverse-electron-demand hetero-Diels-Alder reactions of in situ generated ortho-quinone methides with azlactones have been... 
Journal Article
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, ISSN 0002-7863, 04/2019, Volume 141, Issue 14, pp. 5824 - 5834
The asymmetric allylic alkylation (AAA), which features employing active allylic substrates, has historical significance in organic synthesis. The allylic C-H... 
FUNCTIONALIZATION | AZLACTONES | OXIDATION | ALCOHOLS | DIASTEREOSELECTIVITY | STRATEGY | ALLYLATION | BOND ACTIVATION | MARINE ALKALOIDS | CHEMISTRY, MULTIDISCIPLINARY | LEPADIFORMINE
Journal Article
Chemical Communications, ISSN 1359-7345, 2017, Volume 53, Issue 25, pp. 3531 - 3534
A bifunctional squaramide-catalyzed reaction of azlactones with o-quinone methides in situ generated from 2-(1-tosylalkyl)-phenols has been successfully... 
AZLACTONES | ASYMMETRIC-SYNTHESIS | ORGANOCATALYSTS | ENANTIOSELECTIVE SYNTHESIS | ACTIVATION STRATEGY | DIELS-ALDER REACTION | ACID CATALYSIS | G-QUADRUPLEX | DERIVATIVES | QUATERNARY | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Chemical Communications, ISSN 1359-7345, 03/2015, Volume 51, Issue 18, pp. 3835 - 3837
An asymmetric inverse-electron-demand hetero-Diels-Alder reaction between o-quinone methides and azlactones to generate potentially pharmacological active... 
AZLACTONES | CYCLOADDITION | ROUTE | ASYMMETRIC-SYNTHESIS | ORGANOCATALYSTS | HYDROGENATION | RECEPTOR ANTAGONISTS | O-QUINONE METHIDES | CHEMISTRY, MULTIDISCIPLINARY | COUMARINS | Synthesis (chemistry) | Pathways | Asymmetry | Catalysts | Chemical reactions | Pharmacology | Derivatives
Journal Article
Journal of Heterocyclic Chemistry, ISSN 0022-152X, 09/2015, Volume 52, Issue 5, pp. 1467 - 1473
Treatment of oxazolone 1 with hydrazine hydrate at room temperature gave the (Z)‐configurated isomer hydrazide (Z)‐ 3 (high yield). However, refluxing 1 with... 
AZLACTONES | CHEMISTRY | CHEMISTRY, ORGANIC | 1,3,4-OXADIAZOLE DERIVATIVES | THIADIAZOLOTRIAZINONES
Journal Article
Tetrahedron, ISSN 0040-4020, 2009, Volume 65, Issue 15, pp. 2935 - 2938
We have recently developed a novel and efficient method for synthesising Erlenmeyer azlactones under mild and rapid conditions. The reaction is performed by... 
Aliphatic azlactones | Aromatic azlactones | Solid-phase catalysis | ACID | CHEMISTRY, ORGANIC | ALIPHATIC-ALDEHYDES | OXAZOLONES | Aldehydes | Methods | Aluminum oxide
Journal Article
RSC ADVANCES, ISSN 2046-2069, 2016, Volume 6, Issue 6, pp. 4979 - 4982
A simple, efficient and green chemical ultrasound assisted thio-Michael addition reaction between thiols and (Z)-azlactones aiming to produce non-natural amino... 
AZLACTONES | ENANTIOSELECTIVE SYNTHESIS | CHEMISTRY, MULTIDISCIPLINARY | DYNAMIC KINETIC RESOLUTION
Journal Article
CHEMISTRY-A EUROPEAN JOURNAL, ISSN 0947-6539, 07/2015, Volume 21, Issue 29, pp. 10268 - 10277
Chiral BrOnsted base catalysis is a fascinating and highly explored field of research. For many years catalysts based on chincona alkaloid chiral scaffolds... 
BASES | organosuperbases | BASICITY | asymmetric catalysis | INDUCTION | ASYMMETRIC HYDROPHOSPHONYLATION | CHEMISTRY, MULTIDISCIPLINARY | CATALYZED MICHAEL REACTION | AZLACTONES | bifunctional catalysis | BrOnsted base catalysis | iminophosphoranes | ORGANOSUPERBASE
Journal Article
Chemical Communications, ISSN 1359-7345, 03/2016, Volume 52, Issue 22, pp. 4183 - 4186
The asymmetric catalytic 1,6-addition of p-QMs with racemic oxindoles under the bifunctional catalysis of C-2-symmetric dimeric Cinchona-derived squaramide is... 
DESIGN | ENANTIOSELECTIVE SYNTHESIS | CINCHONA ALKALOID ORGANOCATALYSTS | RACEMIC AZLACTONES | ALPHA-ALKYLATION | EXPEDIENT ACCESS | ALDEHYDES | CHEMISTRY, MULTIDISCIPLINARY | DYNAMIC KINETIC RESOLUTION | SELF-ASSOCIATION-FREE | Chemical reactions | Catalysis | Asymmetry | Catalysts | Assembly
Journal Article
Chemical communications (Cambridge, England), ISSN 1359-7345, 03/2016, Volume 52, Issue 22, pp. 4183 - 4186
The asymmetric catalytic 1,6-addition of p-QMs with racemic oxindoles under the bifunctional catalysis of C2-symmetric dimeric Cinchona-derived squaramide is... 
Quinine - analogs & derivatives | Indolequinones - chemistry | Catalysis | Indoles - chemistry | Quinine - chemistry
Journal Article
Synlett, ISSN 0936-5214, 05/2014, Volume 25, Issue 8, pp. 1093 - 1096
Abstract N -(1,7-Dioxotetrahydropyrazolo[1,2- a ]pyrazol-2-yl)-benzamide derivatives, a novel class of compounds, were synthesized by 1,3-dipolar cycloaddition... 
letter | cycloadditions | bicyclic compounds | heterocycles | azomethine imines | azlactones
Journal Article
Chemical Communications: Chem Comm, ISSN 1359-7345, 03/2017, Volume 53, Issue 25, pp. 3531 - 3534
A bifunctional squaramide-catalyzed reaction of azlactones with o-quinone methides in situ generated from 2-(1-tosylalkyl)-phenols has been successfully... 
Synthesis | Bearing
Journal Article
Organic Letters, ISSN 1523-7060, 06/2016, Volume 18, Issue 11, pp. 2521 - 2523
An enantioselective Mannich-type reaction between enamides, serving as aliphatic imine equivalents, and thiazolones or an azlactone, serving as alpha-amino... 
BRONSTED ACID | AZLACTONES | BIOLOGICAL SIGNIFICANCE | CHEMISTRY, ORGANIC | ALPHA,BETA-DIAMINO ACIDS | FRIEDEL-CRAFTS REACTION | OXAZOLONES
Journal Article
Chemical Communications, ISSN 1359-7345, 03/2015, Volume 51, Issue 18, pp. 3835 - 3837
An asymmetric inverse-electron-demand hetero-Diels-Alder reaction between o-quinone methides and azlactones to generate potentially pharmacological active... 
AZLACTONES | CYCLOADDITION | ROUTE | ASYMMETRIC-SYNTHESIS | ORGANOCATALYSTS | HYDROGENATION | RECEPTOR ANTAGONISTS | O-QUINONE METHIDES | CHEMISTRY, MULTIDISCIPLINARY | COUMARINS | Scandium - chemistry | Quinones - chemistry | Stereoisomerism | Coumarins - chemistry | Catalysis | Coordination Complexes - chemistry | Cycloaddition Reaction | Electrons | Lactones - chemistry
Journal Article
JOURNAL OF ORGANIC CHEMISTRY, ISSN 0022-3263, 02/2014, Volume 79, Issue 4, pp. 1542 - 1554
We report the development and optimization of a tetrapeptide that catalyzes the methanolytic dynamic kinetic resolution of oxazol-5(4H)-ones (azlactones) with... 
ORGANOCATALYSTS | BROMINATION | ENANTIOSELECTIVE SYNTHESIS | RACEMIC AZLACTONES | ENZYMES | HYDROLYSIS | CHEMISTRY, ORGANIC | RACEMIZATION | ASYMMETRIC ORGANIC-SYNTHESIS | DYNAMIC KINETIC RESOLUTION | ALCOHOLYSIS
Journal Article
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