X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
dichloroketene (122) 122
chemistry, organic (64) 64
chemistry (25) 25
cycloadditions (24) 24
olefins (20) 20
cyclobutanones (19) 19
cycloaddition (17) 17
asymmetric-synthesis (15) 15
chemistry, multidisciplinary (14) 14
derivatives (14) 14
halogenated ketenes (13) 13
cyclo-addition (10) 10
lactones (10) 10
cyclo-additions (9) 9
enantioselective synthesis (9) 9
organic-synthesis (9) 9
chiral enol ethers (8) 8
cyclization (8) 8
ketene (8) 8
stereochemistry (8) 8
analysis (7) 7
construction (7) 7
index medicus (7) 7
ketones (7) 7
mechanism (7) 7
rearrangement (7) 7
research (7) 7
acid (6) 6
esters (6) 6
ketenes (6) 6
molecular structure (6) 6
ring expansion (6) 6
stereoisomerism (6) 6
synthesis (6) 6
[2+2] cycloaddition (5) 5
baeyer-villiger oxidation (5) 5
catalysis (5) 5
chemistry, physical (5) 5
cycloheptatriene (5) 5
efficient synthesis (5) 5
lactone (5) 5
oxidation (5) 5
route (5) 5
synthetic methods (5) 5
alkenes (4) 4
article (4) 4
chemistry, medicinal (4) 4
group migration (4) 4
k ee chemistry, organic (4) 4
microbiological transformations (4) 4
organic compounds (4) 4
reduction (4) 4
ring formation (4) 4
stereoselective-synthesis (4) 4
steroids (4) 4
vinyl sulfilimines (4) 4
3-carbon annelation (3) 3
ab-initio (3) 3
additions (3) 3
allyl ethers (3) 3
bakkane (3) 3
biochemistry & molecular biology (3) 3
bisketenes (3) 3
c-glycoside (3) 3
cancer (3) 3
chemical properties (3) 3
chemoenzymatic synthesis (3) 3
cis (3) 3
cobalt (3) 3
cycloaddition reactions (3) 3
cyclobutanes - chemical synthesis (3) 3
cyclobutanes - chemistry (3) 3
cyclobutenes (3) 3
cyclobutyl bromides (3) 3
dichloroketene, oligomers (3) 3
dimerizations (3) 3
dipole-moment (3) 3
efficient (3) 3
enantioselective approach (3) 3
endoperoxides (3) 3
enol ethers (3) 3
ethers (3) 3
glycal (3) 3
heterocumulenes (3) 3
heterocycles (3) 3
indolizidines (3) 3
k dy chemistry (3) 3
mitsunobu reaction (3) 3
nucleoside (3) 3
physics, atomic, molecular & chemical (3) 3
porphyrins (3) 3
rearrangements (3) 3
singlet oxygen (3) 3
stereoselective ketone reduction (3) 3
substitution (3) 3
sulfoxides (3) 3
terpenes (3) 3
tetrachloroallene, dimer (3) 3
thioethers (3) 3
trimethylsilylketene (3) 3
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Organic Letters, ISSN 1523-7060, 02/2019, Volume 21, Issue 3, pp. 644 - 647
Starting from (R)-seudenol, an asymmetric synthesis of the DEFG rings of solanoeclepin A has been developed. The key transformations include the substrate... 
DICHLOROKETENE | SEGMENT | POTATO | MOIETY | ENANTIOSELECTIVE SYNTHESIS | CYCLOADDITIONS | CHEMISTRY, ORGANIC | A SYNTHESIS | STEREOCONTROLLED SYNTHESIS | INTRAMOLECULAR 2+2 PHOTOCYCLOADDITIONS | SUBSTRUCTURE
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 03/2010, Volume 49, Issue 13, pp. 2340 - 2343
Easy as pie: With the aid of triflic anhydride, the title reaction resulted in nucleophilic attack of the carbonyl oxygen atom onto the activated cationic... 
Pummerer rearrangement | sulfoxides | ketones | triflic anhydride | heterocycles | Triflic anhydride | Heterocycles | Sulfoxides | Ketones | ASYMMETRIC-SYNTHESIS | ENANTIOSELECTIVE SYNTHESIS | REACTION CHEMISTRY | CHEMISTRY, MULTIDISCIPLINARY | DICHLOROKETENE | ARYLKETENE DITHIOACETAL MONOXIDES | ESTERS | VINYL SULFILIMINES | CYCLIZATION
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 01/2018, Volume 59, Issue 3, pp. 284 - 286
Herein, we describe two independent and non-pyrolytic syntheses of an important C H hydrocarbon which had been prepared previously by gas phase thermolysis of... 
Silver ion catalyzed reactions | C10H10 hydrocarbons | Dichloroketene | Bullvalene | C12H12 hydrocarbons | hydrocarbons | STRAINED SIGMA-BONDS | CHEMISTRY, ORGANIC | SYSTEMS | ION CATALYZED REARRANGEMENTS | Silver ion catalyzed ractions
Journal Article
International Journal of Quantum Chemistry, ISSN 0020-7608, 04/2019, Volume 119, Issue 8, pp. e25866 - n/a
We calculated the equilibrium geometries and harmonic vibrational frequencies of the ground state and five cationic states of dichloroketene using (TD‐)B3LYP,... 
photoelectron spectrum | ionization energy | Dichloroketene | Franck‐Condon factor | complete basis set limit | Franck-Condon factor | Ionization | Analysis
Journal Article
Heterocycles, ISSN 0385-5414, 2014, Volume 89, Issue 9, pp. 2029 - 2052
This review provides a summary of the synthetic methods currently available for the construction of benzofuro[2,3-b]pyrroles and benzofuro[2,3-b]indoles. The... 
TRUE STRUCTURE | CORE | DICHLOROKETENE | DIAZONAMIDE-A | BIOLOGY | VINYL SULFILIMINES | CHEMISTRY | CHEMISTRY, ORGANIC | CASCADE | 2ND TOTAL-SYNTHESIS | REARRANGEMENTS
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 01/2016, Volume 57, Issue 2, pp. 237 - 238
Junionone is the first monocyclic cyclobutane monoterpenoid isolated from a plant. Of the existing four syntheses of this compound, none employs a ketene... 
Huang-Minlon reduction | Dimethylketene | Junionone | Cyclobutanone | Wacker–Tsuji oxidation | Wacker-Tsuji oxidation | CHEMISTRY, ORGANIC | DICHLOROKETENE | REDUCTION | LITHIUM ALUMINUM-HYDRIDE | SYSTEMS | FUNCTIONALIZED CYCLOBUTANES | ACETATE | BRIDGED BICYCLIC OLEFINS | junionone | dimethylketene | cyclobutanone
Journal Article
Tetrahedron, ISSN 0040-4020, 04/2017, Volume 73, Issue 16, pp. 2173 - 2190
From what began as a casual discovery of the ketene-Claisen rearrangement (the Malherbe-Belluš rearrangement) over 3 decades ago has flourished a reaction of... 
Zwitterion-aza-ketene | Thia-ketene (allylic thioethers) | Ketene-Claisen (allylic ethers) | Aza-ketene (allylic amines) | Rearrangements | ALLYL ETHERS | ASYMMETRIC-SYNTHESIS | STEREOCHEMISTRY | CHEMISTRY, ORGANIC | ACETALS | TERTIARY | DICHLOROKETENE | CYCLOADDITIONS | ESTERS | 1,2-ASYMMETRIC INDUCTION | LACTAMS | Chemotherapy | Cancer
Journal Article
Synlett, ISSN 0936-5214, 04/2014, Volume 25, Issue 6, pp. 760 - 765
Abstract Ketene–alkene [2+2] cycloadditions are an important class of reactions for chemical synthesis. These processes were exclusively carried out under... 
synpacts | Lewis acids | cycloaddition | aluminum | alkenes | stereoselective synthesis | ORGANIC-SYNTHESIS | RING EXPANSION | ENANTIOSELECTIVE SYNTHESIS | MECHANISM | STEREOCHEMISTRY | CHEMISTRY, ORGANIC | CYCLOBUTANE DERIVATIVES | DICHLOROKETENE | OLEFINS | 4+2 DIELS-ALDER | HALOGENATED KETENES
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 09/2005, Volume 44, Issue 36, pp. 5778 - 5785
An explosive history: Diphenylketene was isolated and identified by Staudinger (see photo) in 1905, as the first example of this class of highly reactive... 
cycloaddition | history of chemistry | Wolff rearrangement | reactive intermediates | ketenes | Cycloaddition | Reactive intermediates | History of chemistry | Ketenes | ACID | TERTIARY-AMINES | METHYL | CHEMISTRY, MULTIDISCIPLINARY | STAUDINGER,HERMANN | ANNOUNCEMENT | DICHLOROKETENE | CYCLOADDITIONS | CHEMISTRY | SYNTHESEN MIT KETENEN | TRIVALENT CARBON
Journal Article
Synthesis, ISSN 0039-7881, 12/2016, Volume 48, Issue 23, pp. 4199 - 4206
Abstract The optimized preparation of a rare class of highly functionalized (chlorinated and heteroatom-rich) monocyclic β-lactams by the Staudinger reaction... 
paper | acyclic S -alkylisothioureas | Staudinger reaction | heteroatom rich | dichloroketene | chlorinated | monocyclic β-lactams | AZETIDIN-2-ONES | MILLENNIUM | monocyclic beta-lactams | CARBAPENEMS | HUMAN-LEUKOCYTE ELASTASE | ANTIBACTERIAL | CHEMISTRY, ORGANIC | acyclic S-alkylisothioureas | AZETIDINES | AMINO-ACIDS | STEREOSELECTIVE-SYNTHESIS | INHIBITORS | DERIVATIVES
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2006, Volume 47, Issue 4, pp. 595 - 597
The additive Pummerer reaction of several heteroaromatic sulfilimines has been investigated. The overall process involves the reaction of the sulfilimine with... 
SULFOXIDES | SUBSTITUTION | DICHLOROKETENE | HETEROCYCLES | STRATEGY | VINYL SULFILIMINES | CHEMISTRY, ORGANIC | REACTION CHEMISTRY | OXIDATIVE CYCLIZATION | INDOLES
Journal Article
Chemical Research in Chinese Universities, ISSN 1005-9040, 10/2018, Volume 34, Issue 5, pp. 736 - 743
We report a modified process that dichloroketene generated in situ from trichloroacetyl chloride and Zn powder reacts with unreactivate carbonyl groups to... 
[2+2] Cycloaddition | Unreactive carbonyl group | Dichloroketene | β-Lactone | ROUTE | CONCISE | ASYMMETRIC-SYNTHESIS | COMPLEXES | STEREOSELECTIVE FUNCTIONALIZATION | beta-Lactone | KETENE | CHEMISTRY, MULTIDISCIPLINARY | PANCREATIC LIPASE INHIBITOR | 7-OXABICYCLO<2.2.1>HEPT-5-EN-2-ONE | LEWIS-ACIDS | DERIVATIVES
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 04/2013, Volume 78, Issue 7, pp. 3379 - 3383
Journal Article
Tetrahedron, ISSN 0040-4020, 2008, Volume 64, Issue 23, pp. 5497 - 5501
The three-carbon ring expansion methodology commences with the preparation of a cyclic allene (C9, C11, C13), readily available from the corresponding... 
ORGANIC-SYNTHESIS | CYCLOADDITION | DICHLOROKETENE | CHEMISTRY, ORGANIC | OLEFINS | 2 CYCLO-ADDITIONS | HALOGENATED KETENES | CINE SUBSTITUTION | ALLENES | DERIVATIVES | STEROIDAL CYCLOBUTANONES
Journal Article
Organic Letters, ISSN 1523-7060, 03/2008, Volume 10, Issue 5, pp. 821 - 824
Journal Article
TETRAHEDRON, ISSN 0040-4020, 02/1994, Volume 50, Issue 6, pp. 1769 - 1776
New methods for generating iminyl radicals have been developed using suitable derivatives of oximes; Barton's decarboxylation of O-carboxymethyl derivatives... 
DICHLOROKETENE | CHEMISTRY | CHEMISTRY, ORGANIC
Journal Article
Computational and Theoretical Chemistry, ISSN 2210-271X, 2012, Volume 981, pp. 25 - 30
The ring enlargement Bellus-Claisen rearrangement ► Theoretical study of the ring size effect on the Bellus-Claisen rearrangement. ► A high asynchronous... 
Ring-size effect | In silico | DFT study | Bellus-Claisen rearrangement | Ketene-Claisen rearrangement | CATALYSIS | ASYMMETRIC-SYNTHESIS | CHEMISTRY, PHYSICAL | DIPHENYLKETENE | In silica | DENSITY | DICHLOROKETENE | LACTONES | STEREOSELECTIVE-SYNTHESIS | ACYL-CLAISEN
Journal Article
No results were found for your search.

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