X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
chemistry, organic (145) 145
darzens reaction (100) 100
darzens condensation (54) 54
chemistry, multidisciplinary (45) 45
aldehydes (43) 43
epoxidation (39) 39
enantioselective synthesis (38) 38
ketones (31) 31
aza-darzens reaction (30) 30
chemistry (30) 30
derivatives (29) 29
epoxides (27) 27
asymmetric-synthesis (26) 26
stereoselective-synthesis (25) 25
catalysis (20) 20
condensation (20) 20
index medicus (20) 20
stereoisomerism (19) 19
alpha-amino-acids (17) 17
esters (16) 16
molecular structure (16) 16
glycidic amides (15) 15
carbonyl-compounds (14) 14
chemistry, physical (14) 14
letter (14) 14
michael addition (14) 14
organic chemistry (14) 14
azacrown ethers (13) 13
catalysts (13) 13
asymmetric darzens reaction (12) 12
enantiomers (12) 12
synthesis (12) 12
acids (11) 11
alkylation (11) 11
aziridines (11) 11
phase-transfer catalysis (11) 11
asymmetric catalysis (10) 10
chemical properties (10) 10
d-glucose (10) 10
darzens (10) 10
organic-synthesis (10) 10
amides (9) 9
aromatic-aldehydes (9) 9
asymmetric epoxidation (9) 9
chemistry/food science, general (9) 9
cyclization (9) 9
diastereoselectivity (9) 9
schiff bases (9) 9
stereoselective synthesis (9) 9
alpha,beta-unsaturated ketones (8) 8
analysis (8) 8
asymmetric synthesis (8) 8
aziridination (8) 8
carbanions (8) 8
chemistry, medicinal (8) 8
diastereoselective synthesis (8) 8
dichloroacetate (8) 8
imines (8) 8
ligands (8) 8
olefins (8) 8
phase-transfer (8) 8
sulfur ylides (8) 8
acid (7) 7
asymmetry (7) 7
catalytic asymmetric aziridination (7) 7
chiral auxiliary (7) 7
efficient synthesis (7) 7
enones (7) 7
epoxy compounds - chemistry (7) 7
heterocycles (7) 7
highly enantioselective synthesis (7) 7
inorganic chemistry (7) 7
mechanism (7) 7
organocatalytic cyclopropanation (7) 7
ylides (7) 7
absolute-configuration (6) 6
aldol reactions (6) 6
amines (6) 6
article (6) 6
basic 2-phase systems (6) 6
chemical synthesis (6) 6
cinchona alkaloids (6) 6
crown ethers (6) 6
darzens reactions (6) 6
generation (6) 6
induction (6) 6
organocatalysis (6) 6
pharmacology & pharmacy (6) 6
rearrangement (6) 6
structure (6) 6
water (6) 6
alcohols (5) 5
aldol (5) 5
alkaloids (5) 5
asymmetric induction (5) 5
asymmetrische katalyse (5) 5
aziridines - chemical synthesis (5) 5
aziridines - chemistry (5) 5
biochemistry & molecular biology (5) 5
construction (5) 5
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Tetrahedron Letters, ISSN 0040-4039, 07/2019, Volume 60, Issue 30, pp. 1949 - 1951
DBU promoted Darzens reaction with the α-haloketones containing an enolizable α′-hydrogen as starting materials. [Display omitted] •Darzens reaction with the... 
Darzens reaction | DBU | α,β-Epoxy ketone | α-Haloketone | AGENT | EPOXIDE | alpha,beta-Epoxy ketone | alpha-Haloketone | CHEMISTRY, ORGANIC | CONDENSATION | ALDEHYDES | CATALYSTS | ASYMMETRIC DARZENS | Hydrogen | Epoxy resins
Journal Article
by Shen, B and Liu, W and Cao, WD and Liu, XH and Feng, XM
ORGANIC LETTERS, ISSN 1523-7060, 06/2019, Volume 21, Issue 12, pp. 4713 - 4716
A catalytic asymmetric tandem Darzens/hemiaminalization reaction of glyoxals with alpha-bromo-beta-esteramides or alpha-bromo-beta-ketoamide was accomplished... 
EPOLACTAENE | ABSOLUTE-CONFIGURATION | LIGANDS | CATALYTIC DARZENS REACTION | FUSARIUM-MONILIFORME | CONSTRUCTION | CHEMISTRY, ORGANIC | AMIDES
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 08/2017, Volume 58, Issue 34, pp. 3390 - 3393
[Display omitted] •Thermally induced reaction of diazoamides with isatins.•Mild approach to the 3,3′-bioxindole derivatives.•Good to high yields with excellent... 
Transition-metal-free | Difunctionalization | Diazoamide | Catalyst-free | 3,3′-Bioxindole | ALPHA-DIAZOCARBONYL COMPOUNDS | C-H BOND | CYCLIC ENONES | ENANTIOSELECTIVE SYNTHESIS | CHEMISTRY, ORGANIC | DIAZO-COMPOUNDS | DARZENS REACTION | CARBON INSERTION | 3,3'-Bioxindole | BETA-KETOESTERS | CATALYST-FREE CONDITIONS | ASYMMETRIC ROSKAMP REACTION | Diazo compounds | Analysis
Journal Article
Tetrahedron, ISSN 0040-4020, 04/2017, Volume 73, Issue 15, pp. 2062 - 2067
A highly diastereoselective Darzens reaction was developed by using a MEM- or TBDPS-protected α-hydroxy aldehyde with di-tert-butyl bromomalonate. This method... 
Epoxy-γ-lactam | Bromomalonate | Darzens reaction | Stereoselective synthesis
Journal Article
Synlett, ISSN 0936-5214, 10/2016, Volume 27, Issue 17, pp. 2443 - 2446
Abstract Oxiranes are formed in a highly diastereoselective one-pot process, in which aldehydes react with α-chloronitrobenzylic carbanions produced in the... 
letter | aldehydes | nitro compounds | epoxides | Darzens reaction | nucleophilic substitution | HYDROGEN | NITROARENES | DIASTEREOSELECTIVE SYNTHESIS | CHEMISTRY, ORGANIC | ORGANIC-ANIONS | CARBANIONS | OXIDES
Journal Article
Tetrahedron, ISSN 0040-4020, 03/2019, Volume 75, Issue 12, pp. 1632 - 1638
A range of tertiary amines having electron-withdrawing groups were activated in situ by benzyne, generated from 2-(trimethylsilyl)phenyl triflate and a... 
Amines | Darzens reaction | Three-membered rings | Ammonium ylides | Arynes | STABILIZED AMMONIUM YLIDES | CYCLOPROPANATION | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | AZIRIDINES | REARRANGEMENT | EMPLOYING ARYNES | ASYMMETRIC EPOXIDATION | LEAVING GROUP | YLIDE-MEDIATED EPOXIDATION | SELECTIVITY | Schiff bases
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 07/2013, Volume 54, Issue 28, pp. 3586 - 3590
Journal Article
Current Organic Synthesis, ISSN 1570-1794, 2014, Volume 11, Issue 3, pp. 361 - 376
Optically active alpha,beta-epoxy derivatives can be converted into many types of useful chiral compounds, such as chiral building blocks and synthetic... 
Asymmeric reactions | Darzens condensation | Phase-transfer catalysis | ALDOL | 2-PHASE SYSTEM | ENANTIOSELECTIVE SYNTHESIS | BOND-FORMING REACTIONS | CHEMISTRY, ORGANIC | GLYCIDIC AMIDES | phase-transfer catalysis | CHIRAL CROWN CATALYSTS | CONDENSATION | D-GLUCOSE | AZACROWN ETHERS
Journal Article
Organic Letters, ISSN 1523-7060, 08/2015, Volume 17, Issue 16, pp. 4042 - 4045
The cascade coupling of aryl nitriles, silyldichloromethanes, and tert-butanesulfinylimines is described, in which silylciichloromothyl-lithiums, generated... 
ASYMMETRIC-SYNTHESIS | DIASTEREOSELECTIVE AZIRIDINATION | REGIOSELECTIVE ROUTE | ADDITION-REACTIONS | EFFICIENT SYNTHESIS | CHEMISTRY, ORGANIC | SAMARIUM(II) IODIDE | AZA-DARZENS REACTION | 3-COMPONENT REACTIONS | N-SULFINYL IMINES | BETA-AMINO-ACIDS
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 08/2016, Volume 22, Issue 32, pp. 11422 - 11428
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 08/2009, Volume 48, Issue 35, pp. 6503 - 6506
Titanium strength: The title reaction was catalyzed by a chiral titanium complex formed in situ from commercially available Ti(OiPr)4 and (R)‐binol, and gave... 
binol | glycidic amides | epoxidation | asymmetric catalysis | Darzens reaction | titanium | Epoxidation | Titanium | Asymmetric catalysis | Binol | Glycidic amides | ENANTIOSELECTIVE SYNTHESIS | BOND-FORMING REACTIONS | N-BOC IMINES | CHEMISTRY, MULTIDISCIPLINARY | ETHYL DIAZOACETATE | CHIRAL DICARBOXYLIC-ACID | AZIRIDINATION | CROWN CATALYSTS | AZACROWN ETHERS | D-GLUCOSE
Journal Article
NATURAL PRODUCT COMMUNICATIONS, ISSN 1934-578X, 10/2019, Volume 14, Issue 10
A catalytic asymmetric intramolecular Darzens reaction of 2-halomalonate derivatives was developed for the enantioselective preparation of chiral building... 
asymmetric catalyst | CHEMISTRY, MEDICINAL | asymmetric synthesis | ENANTIOSELECTIVE SYNTHESIS | FOOD SCIENCE & TECHNOLOGY | organocatalyst | Darzens reaction | intramolecular reaction
Journal Article
Synthesis, ISSN 0039-7881, 01/2017, Volume 49, Issue 1, pp. 181 - 187
Abstract Hydroxytetraphenylenes with rigid conformations are potential candidates for employment as chiral ligands in asymmetric synthesis. Highly diastereo-... 
paper | tetraphenylene | asymmetric catalysis | chiral ligand | Darzens reaction | diazoacetamide | DICARBOXYLIC-ACID | N-BOC IMINES | TETRAPHENYLENES | CHEMISTRY, ORGANIC | GLYCIDIC AMIDES | FLIP | AZIRIDINATION | DERIVATIVES | AZACROWN ETHERS | D-GLUCOSE
Journal Article
Synthesis, ISSN 0039-7881, 11/2016, Volume 48, Issue 22, pp. 3971 - 3975
Abstract We report a one-pot protocol for the synthesis of α,β-epoxy ketones from benzyl alcohols and styrenes with molecular oxygen, visible light, and... 
paper | FLUORESCENT LAMP | photooxidation | ALPHA,BETA-UNSATURATED KETONES | epoxy ketones | benzyl alcohols | CHEMISTRY, ORGANIC | Darzens reaction | CONDENSATION REACTION | CATALYTIC ASYMMETRIC EPOXIDATION | iodine | HYDROGEN-PEROXIDE | styrenes | IONIC LIQUIDS | VISIBLE-LIGHT IRRADIATION | MOLECULAR-OXYGEN | AZACROWN ETHERS | D-GLUCOSE
Journal Article
No results were found for your search.

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