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ketenimines (199) 199
chemistry, organic (173) 173
chemistry, multidisciplinary (99) 99
ketenimine (96) 96
chemistry (69) 69
derivatives (63) 63
one-pot synthesis (46) 46
cycloaddition (40) 40
cyclization (37) 37
multicomponent reactions (36) 36
isocyanides (33) 33
alkyl isocyanides (29) 29
catalysis (29) 29
alkynes (28) 28
heterocycles (28) 28
chemistry, inorganic & nuclear (27) 27
terminal alkynes (27) 27
copper (23) 23
dialkyl acetylenedicarboxylates (23) 23
isocyanide (23) 23
reactivity (23) 23
synthesis (23) 23
rearrangement (22) 22
chemistry, physical (20) 20
efficient synthesis (20) 20
imines (20) 20
sulfonyl azides (20) 20
acetylenic esters (19) 19
amides (19) 19
index medicus (19) 19
tert-butyl isocyanide (19) 19
azides (18) 18
organic-synthesis (18) 18
ab-initio (17) 17
chemistry, applied (17) 17
complexes (17) 17
sulfonyl azide (16) 16
ketenimine complexes (15) 15
multicomponent reaction (14) 14
cycloadditions (13) 13
inhibitors (13) 13
3-component reaction (12) 12
chemical properties (12) 12
facile access (12) 12
ketenes (12) 12
letter (12) 12
organic chemistry (12) 12
carbene complexes (11) 11
copper iodide (11) 11
ketene (11) 11
ketene imines (11) 11
nitriles (11) 11
paper (11) 11
three-component reaction (11) 11
acetonitrile (10) 10
acid (10) 10
amide synthesis (10) 10
asymmetric-synthesis (10) 10
cascade (10) 10
ketones (10) 10
mechanism (10) 10
molecular structure (10) 10
analysis (9) 9
beta-arylvinyl ketenimines (9) 9
chemical synthesis (9) 9
electrocyclization (9) 9
functionalized stable ketenimines (9) 9
isocyanates (9) 9
isomerization (9) 9
ketene-ketenimine rearrangements (9) 9
molecular-structure (9) 9
molecules (9) 9
one-pot preparation (9) 9
reaction mechanisms (9) 9
rearrangements (9) 9
research (9) 9
tandem reaction (9) 9
aldehydes (8) 8
alkyne (8) 8
amidines (8) 8
chemical reactions (8) 8
chemistry, medicinal (8) 8
imines - chemistry (8) 8
intramolecular addition (8) 8
isothiocyanates (8) 8
pyrolysis (8) 8
schiff bases (8) 8
synthetic methods (8) 8
transition-metal complexes (8) 8
water (8) 8
1-azadienes (7) 7
amines (7) 7
analytical chemistry (7) 7
beta-lactams (7) 7
crystal-structure (7) 7
cyanides - chemistry (7) 7
dimethyl acetylenedicarboxylate (7) 7
facile synthesis (7) 7
formal syntheses (7) 7
gas-phase (7) 7
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Advanced Synthesis and Catalysis, ISSN 1615-4150, 08/2009, Volume 351, Issue 11-12, pp. 1768 - 1772
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 02/2018, Volume 24, Issue 10, p. n/a
The Concept by Dodd and Cariou on page 2297 ff. gives an overview of the different existing methodologies to generate highly reactive ketenimines from... 
ynamides | cycloaddition | building blocks | rearrangement | ketenimines | Nitrogen | Scaffolds
Journal Article
Chemical Society Reviews, ISSN 0306-0012, 8/2012, Volume 41, Issue 17, pp. 5687 - 575
Ketenimines are an important class of reactive species and useful synthetic intermediates. During the last two decades several practical and versatile... 
SULFONYL AZIDE | INTRAMOLECULAR 2+2 CYCLOADDITIONS | DIALKYL ACETYLENEDICARBOXYLATES | ONE-POT SYNTHESIS | 3-COMPONENT REACTION | SILYL KETENE IMINES | EFFICIENT SYNTHESIS | CHEMISTRY, MULTIDISCIPLINARY | FUNCTIONALIZED STABLE KETENIMINES | MULTICOMPONENT REACTION | N-SULFONYLAMIDINES
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 07/2016, Volume 138, Issue 27, pp. 8396 - 8399
Metal–ligand cooperation between iridium­(III) and a 1,3-N,O-chelating phosphoramidate ligand has been used to develop a protocol for the intermolecular... 
HYDROAMIDATION | CATALYSIS | DEHYDROGENATION | KETENIMINES | ZINC-COMPLEXES | PHOSPHATES | CRYSTAL-STRUCTURES | POLYMERIZATION | CHEMISTRY, MULTIDISCIPLINARY | COUPLING-CONSTANTS | CARBODIIMIDES
Journal Article
Synlett, ISSN 0936-5214, 07/2017, Volume 28, Issue 12, pp. 1445 - 1448
Abstract O -Methyl oximes have been employed as nucleophiles in reactions with ketenimines derived from sulfonyl azides and terminal alkynes to form N... 
letter | multicomponent reactions | AMIDINES | ONE-POT SYNTHESIS | AMIDE SYNTHESIS | alkynes | CHEMISTRY, ORGANIC | AMINE | oximes | ketenimines | KETENIMINE | copper catalysis | CYCLOADDITION | sulfonyl azides | COUPLING REACTION | CHEMISTRY | WATER
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 10/2012, Volume 2012, Issue 29, pp. 5637 - 5653
Journal Article
Chinese Chemical Letters, ISSN 1001-8417, 2011, Volume 22, Issue 8, pp. 943 - 946
The addition of pyridine-2-carboxaldoxime or α-furildioxime to dialkyl acetylenedicarboxylates under neutral conditions in the presence of alkyl isocyanides... 
α-Furildioxime | Bis(ketenimines) | Ketenimines | Pyridine-2-carboxaldoxime | Alkyl isocyanides | Dialkyl acetylenedicarboxylates | FORMAL SYNTHESES | BETA-ARYLVINYL KETENIMINES | ACIDS | IMINES | CHEMISTRY, MULTIDISCIPLINARY | ELECTROCYCLIZATION | CYCLOADDITION | alpha-Furildioxime | TERT-BUTYL ISOCYANIDE | MARINE ORIGIN | FUNCTIONALIZED STABLE KETENIMINES
Journal Article
by Wang, S and Shen, YB and Li, LF and Qiu, B and Yu, LP and Liu, Q and Xiao, J
ORGANIC LETTERS, ISSN 1523-7060, 11/2019, Volume 21, Issue 22, pp. 8904 - 8908
Described herein is an unprecedented N-alkylation-initiated redox-neutral [5 + 2] annulation of 3-alkylindoles with o-aminobenzaldehydes via a cascade... 
C(SP)-H BOND FUNCTIONALIZATION | KETENIMINES | ACTIVATION | TANDEM | CONSTRUCTION | CHEMISTRY, ORGANIC | CASCADE | TRANSFER/CYCLIZATION | INDOLES | SKELETON
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 04/2012, Volume 53, Issue 15, pp. 1889 - 1890
Ketenimine intermediates generated by the addition of copper acetylides to sulfonyl azides are trapped by nitrile imines (generated from hydrazonoyl chlorides... 
Ketenimine | Hydrazonoyl chloride | Nitrile imine | Copper iodide | Tosyl azide | Pyrazole | CYCLOADDITION | KETENIMINES | CHEMISTRY, ORGANIC | DERIVATIVES | N-SULFONYLAMIDINES | Copper | Chlorides | Dichloropropane | Synthesis (chemistry) | Imines | Tetrahedrons | Nitriles | Terminals | Alkynes
Journal Article
Tetrahedron, ISSN 0040-4020, 12/2018, Volume 74, Issue 49, pp. 6966 - 6971
A palladium-catalyzed 1,1-carbocyanation of allyl carbonate by α-quaternary α-isocyanoacetate was developed. Formation of ketenimine followed by homolysis of... 
Ketenimine | Allyl carbonate | Palladium | Nitrile radical | Isocyanide | Isocyanoacetate
Journal Article
by Su, RK and Yang, XH and Hu, M and Wang, QA and Li, JH
ORGANIC LETTERS, ISSN 1523-7060, 04/2019, Volume 21, Issue 8, pp. 2786 - 2789
An annulation cascades of N-allyl-N-((2-bromoaryl)ethynyl)amides with terminal alkynes or 1,3-dicarbonyls involving C-H functionalization for producing... 
YNAMIDES | KETENIMINES | REGIOSPECIFIC SYNTHESIS | AZA-CLAISEN REARRANGEMENT | COUPLING REACTIONS | CATALYZED ANNULATION | CHEMISTRY, ORGANIC | INDOLE ALKALOIDS | ISOCYANIDE INSERTION | 2,3-DISUBSTITUTED INDOLES | DERIVATIVES
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 08/2017, Volume 56, Issue 32, pp. 9244 - 9244
Tricyanomethane and its ketenimine tautomer were not simultaneously observed in the studies described by K. Banert, H. Beckers, and co‐workers in their... 
cyanoform | azides | reactive intermediates | cyanides | ketenimines | Single crystals | Photolysis | Workers | Crystals | Radiation | Irradiation | Argon
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 09/2017, Volume 23, Issue 53, pp. 12956 - 12956
Ynamides were used as precursors for the in situ generation of highly reactive ketenimines which were trapped with imines in a [2+2] cycloaddition under... 
Staudinger synthesis | [2+2] cycloaddition | ynamides | azetidinimines | ketenimines | Irradiation | Cycloaddition | Synthesis | Imines
Journal Article
ORGANIC LETTERS, ISSN 1523-7060, 11/2017, Volume 19, Issue 21, pp. 5822 - 5825
A new approach for the formation of ketenimines via a decarboxylative allylic rearrangement pathway that does not require strong stabilizing or protecting... 
CYCLOADDITION | 1,3-DIIMINES | AZA-CLAISEN REARRANGEMENT | NITRILES | SILYLATED KETENIMINES | REACTIVITY | CHEMISTRY, ORGANIC | KETENE IMINES | TRIMETHYLSILYL IMIDO THIOESTER | TRIALKYLKETENIMINES | CYCLIZATION
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 07/2017, Volume 23, Issue 41, pp. 9711 - n/a
Organoboranes have been widely used in synthetic chemistry. The Lewis acidity of boron is responsible for the challenges frequently encountered in this field.... 
cyclic peptides | copper catalysis | boronates | heterocycles | ketenimines | Amides | Boron | Acidity | Chemical synthesis | Scaffolds | Intermediates
Journal Article
Organic Letters, ISSN 1523-7060, 11/2011, Volume 13, Issue 22, pp. 6054 - 6057
A detailed mechanism of N-alkylpyrrole formation from 3-pyrroline and 2-phenylpropanal in the presence of a Brønsted acid catalyst was investigated in depth... 
KETENIMINES | AMINALS | TETRAHYDROQUINOLINES | CHEMISTRY, ORGANIC | ALDEHYDES | ALLENES | FUNCTIONALIZED PYRROLES | PYRROLE-IMIDAZOLE ALKALOIDS
Journal Article
Carbohydrate Polymers, ISSN 0144-8617, 12/2019, Volume 226, p. 115310
This study reports the synthesis and characterization of a highly active catalyst based on chelated copper iodide on magnetic chitosan-salicylaldehyde Schiff... 
Heterogeneous catalysis | Chitosan-salicylaldehyde Schiff base | N-Sulfonyl ketenimine intermediate | Magnetic nanocatalysts | DESIGN | POLYMER SCIENCE | AZIDES | ONE-POT SYNTHESIS | COMPLEXES | CHEMISTRY, ORGANIC | TERMINAL ALKYNES | COPPER | KETENIMINE | CYCLOADDITION | COUPLING REACTION | PHTHALIMIDE | CHEMISTRY, APPLIED
Journal Article
Tetrahedron, ISSN 0040-4020, 06/2012, Volume 68, Issue 24, pp. 4672 - 4681
-Aryl ketenimines bearing a 1,3-oxathiane function at the position of the keteniminic nitrogen atom convert into spiro[1,3-oxathiane-2,4′(3′ )quinolines] under... 
Ketenimine | DFT study | Hydride migration | electrocyclization | 1,3-Oxathiane
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 04/2010, Volume 75, Issue 8, pp. 2763 - 2766
Treatment of an N-heterocyclic carbene that features two amide groups N-bound to the carbene nucleus with various organic isocyanides afforded a new class of... 
KETENIMINES | LIGANDS | STABILITY | STABLE CARBENES | CHEMISTRY | CHEMISTRY, ORGANIC | DIMERIZATION | DIAMINOCARBENES | Isocyanates | Amides | Chemical properties | Structure | Heterocyclic compounds | Carbenes
Journal Article
by Shen, YB and Li, LF and Xiao, MY and Yang, JM and Liu, Q and Xiao, J
JOURNAL OF ORGANIC CHEMISTRY, ISSN 0022-3263, 11/2019, Volume 84, Issue 21, pp. 13935 - 13947
The redox-neutral cascade dearomatization of indoles with o-aminobenzaldehydes has been realized via the hydride transfer strategy, achieving the condition-... 
C(SP)-H BOND FUNCTIONALIZATION | KETENIMINES | ACID | TANDEM | CONSTRUCTION | CHEMISTRY, ORGANIC | ALLYLIC DEAROMATIZATION | FLUORINATED ALCOHOLS | C-H ACTIVATION | TRANSFER/CYCLIZATION | CYCLIZATION
Journal Article
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