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3-alkylidene oxindoles (27) 27
catalysis (15) 15
chemistry, organic (14) 14
michael addition (14) 14
chemistry, multidisciplinary (13) 13
construction (11) 11
aldol reaction (9) 9
organocatalysis (9) 9
asymmetric-synthesis (8) 8
alpha,beta-unsaturated gamma-butyrolactam (6) 6
asymmetric catalysis (6) 6
enantioselective synthesis (6) 6
ketones (6) 6
chemistry, applied (5) 5
mannich reaction (5) 5
cascade reaction (4) 4
catalysts (4) 4
cinchona alkaloids (4) 4
enantio-selectivity (4) 4
enantioselektivität (4) 4
gamma-butenolides (4) 4
nitroolefins (4) 4
reactivity (4) 4
synthesis (4) 4
aldehydes (3) 3
allyl aryl ketones (3) 3
asymmetry (3) 3
carbon (3) 3
cyclization cascade reaction (3) 3
diels-alder reaction (3) 3
index medicus (3) 3
organic chemistry (3) 3
oxindoles (3) 3
stereoselective-synthesis (3) 3
thiourea (3) 3
vinylogous michael addition (3) 3
vinylogy (3) 3
3-component reactions (2) 2
access (2) 2
acid catalysis (2) 2
acrylates (2) 2
activation (2) 2
adducts (2) 2
aldehyd (2) 2
aldol-reaction (2) 2
aldolreaktion (2) 2
allylic alkylation (2) 2
alpha,beta-unsaturated aldehydes (2) 2
amide (2) 2
amides (2) 2
amines (2) 2
asymmetric-catalysis (2) 2
asymmetrische katalyse (2) 2
bifunctional organocatalysts (2) 2
bronsted bases (2) 2
brønsted bases (2) 2
carbene insertion (2) 2
cascade (2) 2
cascade chemical reactions (2) 2
complex (2) 2
conjugate addition (2) 2
cooperative catalysis (2) 2
cyclization (2) 2
diels-alder reactions (2) 2
doppelbindung (2) 2
double-bonds (2) 2
enantiomers (2) 2
enantioselective construction (2) 2
enantioselective cyanosilylation (2) 2
enantioselectivity (2) 2
functionalisation (2) 2
funktionalisierung (2) 2
h bond functionalization (2) 2
kohlenstoff (2) 2
lewis-base activation (2) 2
mannich-type reactions (2) 2
mukaiyama aldol reactions (2) 2
multicomponent reactions (2) 2
nitrones (2) 2
optical activity (2) 2
organic compounds (2) 2
quaternary stereocenters (2) 2
recycle waste (2) 2
regioselectivity (2) 2
regioselektivität (2) 2
remote functionalization (2) 2
review (2) 2
spirocyclic oxindoles (2) 2
stereoselectivity (2) 2
substituted butenolides (2) 2
thioharnstoff (2) 2
unsaturated butyrolactones (2) 2
vinylogous aldol reaction (2) 2
vinylogous michael reaction (2) 2
vinylogous reaction (2) 2
1,2-dicarbonyl compounds (1) 1
1,3-dipolar cycloadditions (1) 1
2-oxindole (1) 1
2‐oxindole (1) 1
3+2 cycloaddition (1) 1
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Advanced Synthesis & Catalysis, ISSN 1615-4150, 12/2017, Volume 359, Issue 23, pp. 4136 - 4140
Journal Article
RSC Advances, ISSN 2046-2069, 2018, Volume 8, Issue 58, pp. 33451 - 33458
A novel vinylogous aldol addition of alkylidene oxindole with 1-trifluoromethyl-3-alkylidene-propan-2-ones is presented. The reaction, catalyzed by a... 
CINCHONA ALKALOIDS | CATALYSIS | TERTIARY ALCOHOLS | DIELS-ALDER REACTIONS | CONSTRUCTION | CARBONYL-COMPOUNDS | FLUORINATION | 3-ALKYLIDENE OXINDOLES | TRIFLUOROMETHYL KETONES | CHEMISTRY, MULTIDISCIPLINARY | MICHAEL ADDITION
Journal Article
Heteroatom Chemistry, ISSN 1042-7163, 03/2018, Volume 29, Issue 2, pp. e21416 - n/a
A facile and efficient synthesis of 2‐oxindole derivatives bearing tetrahydropyrazine scaffold has been developed. Using water as solvent without any... 
pyrazine | catalyst free | water | 2‐oxindole | 3‐alkylidene‐oxindoles | 3-alkylidene-oxindoles | 2-oxindole | INHIBITORS | OXINDOLE | CHEMISTRY, MULTIDISCIPLINARY | ACCESS
Journal Article
CHEMICAL COMMUNICATIONS, ISSN 1359-7345, 08/2019, Volume 55, Issue 63, pp. 9327 - 9330
A highly stereoselective sequential vinylogous aldol reaction/transesterification of methyl-substituted olefinic butyrolactones and isatins was developed. With... 
MANNICH REACTION | KETONES | ALPHA,BETA-UNSATURATED GAMMA-BUTYROLACTAM | ASYMMETRIC-SYNTHESIS | CYCLIZATION CASCADE REACTION | DIELS-ALDER REACTION | 3-ALKYLIDENE OXINDOLES | CHEMISTRY, MULTIDISCIPLINARY | 3+2 CYCLOADDITION | ACCESS | MICHAEL ADDITION
Journal Article
Chemical Communications, ISSN 1359-7345, 2019, Volume 55, Issue 10, pp. 1398 - 1401
An efficient organocatalytic quadruple cascade reaction resulting in spiroxindole scaffolds bearing five quaternary stereocenters is reported. The complex... 
ASYMMETRIC-SYNTHESIS | 3-ALKYLIDENE OXINDOLES | PRODUCTS | CHEMISTRY, MULTIDISCIPLINARY | CONSTRUCTION | ACRYLATES
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 10/2018, Volume 83, Issue 20, pp. 12440 - 12448
The novel vinylogous aldol-lactonization cascade of alkylidene oxindole with trifluoromethyl ketones is presented. The reaction, catalyzed by a bifunctional... 
FUNCTIONALIZATION | KETONES | ASYMMETRIC-SYNTHESIS | DISCODERMOLIDE | CONSTRUCTION | REACTIVITY | CHEMISTRY, ORGANIC | REGIO | 3-ALKYLIDENE OXINDOLES | MICHAEL ADDITION | ENALS
Journal Article
Organic Letters, ISSN 1523-7060, 12/2017, Volume 19, Issue 24, pp. 6708 - 6711
A highly diastereoselective vinylogous nucleophilic 1,6-conjugate addition reaction of para-quinone methides with 3-propenyl-2-silyloxyindoles by a bismuth... 
DECONJUGATED BUTENOLIDES | ASYMMETRIC-SYNTHESIS | DIELS-ALDER REACTIONS | PHOSPHORIC-ACID | MANNICH REACTIONS | NITROOLEFINS | CHEMISTRY, ORGANIC | STEREOGENIC CENTERS | 3-ALKYLIDENE OXINDOLES | ENANTIOSELECTIVE CONSTRUCTION | MICHAEL ADDITION
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 04/2015, Volume 21, Issue 17, pp. 6433 - 6442
The first example of catalytic, enantioselective hypervinylogous Mukaiyama aldol reaction (HVMAR) involving multiply unsaturated 2‐silyloxyindoles is reported.... 
oxindoles | aldol reaction | amides | vinylogy | asymmetric synthesis | Amides | Oxindoles | Aldol reaction | Asymmetric synthesis | Vinylogy | ACIDS | LEWIS-BASE ACTIVATION | 3-ALKYLIDENE OXINDOLES | CHEMISTRY, MULTIDISCIPLINARY | MICHAEL ADDITION | Synthesis | Enantiomers | Aldehydes | Analysis | Organic compounds | Catalysts | Pushing | Olefins | Unsaturated | Selectivity | Boundaries | Catalysis
Journal Article
Chemical communications (Cambridge, England), ISSN 1359-7345, 03/2016, Volume 52, Issue 20, pp. 3943 - 3946
An unprecedented sequential gold-catalyzed enone-formation and bifunctional tertiary amine mediated asymmetric cyanosilylation reaction is developed, allowing... 
Journal Article
Organic Letters, ISSN 1523-7060, 04/2017, Volume 19, Issue 8, pp. 2130 - 2133
A highly enantioselective supramolecular iminium-catalyzed vinylogous Michael addition/Stetter relay sequence has been developed. This transformation provided... 
COMPLEX | ASYMMETRIC-SYNTHESIS | ALDOL REACTION | IMINIUM CATALYSIS | CHEMISTRY, ORGANIC | CASCADE | APLYKURODINONE-1 | 3-ALKYLIDENE OXINDOLES | CYCLOPENTENONES | DERIVATIVES | MICHAEL ADDITION
Journal Article
Chemical Communications, ISSN 1359-7345, 2016, Volume 52, Issue 20, pp. 3943 - 3946
An unprecedented sequential gold-catalyzed enone-formation and bifunctional tertiary amine mediated asymmetric cyanosilylation reaction is developed, allowing... 
MULTICOMPONENT REACTIONS | COOPERATIVE CATALYSIS | ACID CATALYSIS | CARBENE INSERTION | VINYLOGOUS MICHAEL ADDITION | H BOND FUNCTIONALIZATION | 3-ALKYLIDENE OXINDOLES | ENANTIOSELECTIVE CYANOSILYLATION | 3-COMPONENT REACTIONS | RECYCLE WASTE | CHEMISTRY, MULTIDISCIPLINARY | Synthesis (chemistry) | Amines | Asymmetry | Optical activity | Cyanides | Furans | Catalysis
Journal Article
Asian Journal of Organic Chemistry, ISSN 2193-5807, 07/2015, Volume 4, Issue 7, pp. 619 - 621
The highly efficient asymmetric vinylogous Michael addition of 3‐(2‐oxoindolin‐3‐ylidene)butanoates to nitroalkenes, catalyzed by a cinchona‐based squaramide,... 
squaramides | Michael addition | oxindoles | Cinchona alkaloids | alkenes | Oxindoles | Squaramides | Alkenes | ENANTIOSELECTIVE SYNTHESIS | SUBSTITUTED BUTENOLIDES | CHEMISTRY, ORGANIC | MALONONITRILES | CASCADE REACTION | ALPHA,BETA-UNSATURATED GAMMA-BUTYROLACTAM | MALEIMIDES | ALDOL REACTION | CONSTRUCTION | NITROOLEFINS | 3-ALKYLIDENE OXINDOLES
Journal Article
Organic Letters, ISSN 1523-7060, 02/2016, Volume 18, Issue 4, pp. 688 - 691
An unprecedented organocatalytic enantioselective vinylogous Michael addition/Henry cyclization cascade is presented for the synthesis of highly substituted... 
CINCHONA ALKALOIDS | ALPHA,BETA-UNSATURATED GAMMA-BUTYROLACTAM | ALPHA-HYDROXY ESTERS | SUBSTITUTED BUTENOLIDES | QUATERNARY STEREOCENTERS | NITROOLEFINS | CHEMISTRY, ORGANIC | STEREOSELECTIVE-SYNTHESIS | 3-ALKYLIDENE OXINDOLES | ASYMMETRIC HENRY REACTION | BIFUNCTIONAL ORGANOCATALYSTS
Journal Article