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chemistry, organic (214) 214
chemistry, multidisciplinary (177) 177
cycloisomerization (168) 168
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construction (37) 37
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enynes (36) 36
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2--2-alken-1-ones (33) 33
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activation (28) 28
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analysis (27) 27
platinum (26) 26
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research (24) 24
alkine (23) 23
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enantioselective synthesis (23) 23
intermolecular 2+2 cycloaddition (23) 23
ketones (23) 23
cycloisomerization reactions (21) 21
enantiomers (21) 21
pauson-khand reaction (21) 21
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rhodium - chemistry (20) 20
chemistry (19) 19
one-pot synthesis (19) 19
stereoselective-synthesis (19) 19
esters (18) 18
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gold - chemistry (17) 17
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alcohols (16) 16
allene (16) 16
c-h activation (16) 16
catalyzed cycloisomerization (16) 16
chemical synthesis (16) 16
katalyse (16) 16
1,6-enynes (15) 15
2+2+2 cycloisomerization (15) 15
carbenes (15) 15
chirality (15) 15
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organic compounds (15) 15
palladium (15) 15
regioselective synthesis (15) 15
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ruthenium (15) 15
transition metals (15) 15
4+2 cycloisomerization reactions (14) 14
cyclizations (14) 14
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olefins (14) 14
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nucleophiles (13) 13
ring-closing metathesis (13) 13
tandem (13) 13
zykloaddition (13) 13
4+2 cycloaddition (12) 12
5+2 cycloadditions (12) 12
7-membered rings (12) 12
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Asian Journal of Organic Chemistry, ISSN 2193-5807, 07/2016, Volume 5, Issue 7, pp. 891 - 894
The rhodium‐catalyzed cycloisomerization reaction of 2‐alkynyl ‐N ′‐arylidenebenzohydrazides is reported. The reaction provides 4‐alkenylphthalazin‐1(2  H... 
carboamination | phthalazinones | alkynes | nitrogen heterocycles | rhodium | COPPER(I)-CATALYZED SYNTHESIS | 2+2 CYCLOADDITION REACTIONS | CHEMISTRY, ORGANIC | DIMETHYL ACETYLENEDICARBOXYLATE | ALPHA,BETA-UNSATURATED AMIDINES | CASCADE REACTION | CARBONYLATION | ISOCYANIDE INSERTION | THERMAL-ISOMERIZATION | C-H
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2006, Volume 47, Issue 32, pp. 5617 - 5621
Journal Article
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, ISSN 1381-1169, 01/2010, Volume 315, Issue 2, pp. 231 - 238
The catalytic system Ni(COD)(2)/BF3 OEt2 has been studied in conversions of 1,5-cyclooctadiene under argon and ethylene atmosphere. It has been demonstrated... 
THERMAL 2+2 CYCLODIMERIZATION | MONOVALENT NICKEL | ELECTRONIC CONTROL | COMPLEXES | INTERNAL OLEFINS | CHEMISTRY, PHYSICAL | DICARBONYL CATION | Nickel(I) | Mechanism | NORBORNENE | Cyclodimerization | 1,5-Cyclooctadiene | ADDITION POLYMERIZATION | Cycloisomerization | INTERMEDIATE | METAL
Journal Article
CHEMICAL COMMUNICATIONS, ISSN 1359-7345, 2014, Volume 50, Issue 39, pp. 5007 - 5010
A rhodium-BozPHOS based complex is reported. This complex is competent in catalyzing the [4+2+2] cycloisomerization of cyclooctatrienes in moderate to good... 
MONOXIDE LIGANDS | ROUTE | 1,3-DIENES | 8-MEMBERED RINGS | CONSTRUCTION | CARBOCYCLIZATION | BOND-CLEAVAGE | ALKYNES | 4+2 CYCLOISOMERIZATION REACTIONS | CHEMISTRY, MULTIDISCIPLINARY | CYCLOOCTANOIDS
Journal Article
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, ISSN 0002-7863, 05/2006, Volume 128, Issue 19, pp. 6302 - 6303
As part of our studies of metal-catalyzed [m + n (+...o)] cycloadditions, we have previously reported the rhodium-catalyzed [5 + 2] cycloaddition of... 
ALKENES | 1ST | DIELS-ALDER REACTION | STEREOCHEMISTRY | METAL | ALLENES | ALKYNES | INTRAMOLECULAR 5+2 CYCLOADDITIONS | 4+2 CYCLOISOMERIZATION REACTIONS | SELECTIVITY | CHEMISTRY, MULTIDISCIPLINARY | Cyclopropanes - chemistry | Alkenes - chemistry | Solutions | Stereoisomerism | Vinyl Compounds | Catalysis | Rhodium - chemistry
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 01/2018, Volume 59, Issue 2, pp. 103 - 107
The intramolecular [4+2] cycloadditions of dienynes was investigated using cobalt-based catalysts. Substrates without substitution on alkyne moiety were found... 
Carbocycle | Cycloisomerization | Cycloaddition | Dienyne | Cobalt | GOLD | ATOM ECONOMY | CHEMISTRY, ORGANIC | MOLECULAR COMPLEXITY | CYCLOHEPTATRIENE | ALKYNES | 4+2 CYCLOISOMERIZATION REACTIONS | BOND-FORMATION REACTIONS | DIENYNES | 1,N-ENYNES | Organic chemistry | Chemical Sciences | Catalysis
Journal Article
RSC Advances, ISSN 2046-2069, 2014, Volume 4, Issue 96, pp. 53669 - 53673
Cycloisomerization of N-[2-(2-alkyn-1-yl) phenyl] carbodiimides 1 catalysed by Rh(dppp)(2)Cl under heating conditions afforded... 
PAUSON-KHAND REACTION | CARBOCYCLIZATION | ALLENYNES | CHEMISTRY, MULTIDISCIPLINARY | CATALYZED 2+2+2 CYCLOADDITION | 1,N-ENYNES | DIYNES | Synthesis | Heating | Olefins | Isomerization
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 08/2015, Volume 21, Issue 34, pp. 11989 - 11993
This paper reports on the development of an efficient synthesis of enantiopure phospha[6]helicenes through a [2+2+2] alkyne cyclotrimerization reaction. The... 
enantioselectivity | phosphahelicenes | cyclotrimerization | gold catalysis | allenenes | ASYMMETRIC CATALYSIS | HELICENES | CHEMISTRY, MULTIDISCIPLINARY | MOLECULES | LIGANDS | CYCLOADDITIONS | CHIRALITY | UNITS | DERIVATIVES | 2+2+2 CYCLOISOMERIZATION | Enantiomers | Catalysis | Gold | Synthesis (chemistry) | Cycloaddition | Synthesis | Catalytic activity | Nucleophiles | Scaffolds | Alkynes
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 06/2013, Volume 2013, Issue 16, pp. 3223 - 3231
We synthesized stilbenoid ( E )‐( P , P )‐ and ( E )‐( M , M )‐[6]helicene dimers in enantiomerically pure form as part of a program aimed at the exploration... 
Chromophores | Cotton effects | Cyclotrimerization | Helicenes | Circular dichroism | NATIVE CYCLODEXTRINS | CHIRAL RECOGNITION | ASYMMETRIC-SYNTHESIS | MOLECULAR CHIRALITY | CHEMISTRY, ORGANIC | STEREOSELECTIVE SYNTHESES | ONE HUNDRED YEARS | STILBENE-LIKE COMPOUNDS | CIRCULAR-DICHROISM | PYRIDINE N-OXIDES | 2+2+2 CYCLOISOMERIZATION
Journal Article
Synthesis, ISSN 0039-7881, 09/2010, Volume 2010, Issue 17, pp. 2884 - 2892
Abstract We previously developed a novel rhodium(I)-catalyzed cascade reaction involving the hydroacylation of a 4,6-dienal followed by cycloisomerization of... 
special topic | cascade reactions | aldehydes | guanacastepenes | dienes | rhodium | ORGANIC-SYNTHESIS | INTRAMOLECULAR HYDROACYLATION | CARBON SKELETON | HYDROAZULENE CORE | CHEMISTRY, ORGANIC | RING-SYSTEM | ASYMMETRIC CYCLIZATION | 4+2 CYCLOISOMERIZATION REACTIONS | ENANTIOSELECTIVE SYNTHESES | MEDIATED ENE CARBOCYCLIZATIONS | CYCLOADDITION REACTION
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 07/2016, Volume 358, Issue 14, pp. 2273 - 2279
The rhodium(I)‐catalyzed cycloisomerization of enynes with tethered ( S )‐2‐methyl‐2‐propanesulfinyl imine affords 5‐ or 6‐membered cyclic compounds containing... 
imines | alkenes | cycloisomerization | alkynes | rhodium | 1,6-ENYNES | COMPLEX | CARBOCYCLIZATION | CHEMISTRY, ORGANIC | TERMINAL ALKYNES | CYCLOPROPYL IMINES | CATALYZED 2+2+2 CYCLOADDITION | SUBSTITUENT | ENE REACTION | INTERMEDIATE | CHEMISTRY, APPLIED | CYCLIZATION | Schiff bases | Diels-Alder reaction | Rhodium | Olefins | Diels-Alder reactions | Imines | Isomerization | Resultants | Cyclic compounds | Isomers | Alkynes
Journal Article
Chemical Science, ISSN 2041-6520, 2011, Volume 2, Issue 12, pp. 2314 - 2320
A dicationic [6]helicene congener captured on the racemization pathway in its saddle-shaped geometry is introduced. Synthesis, structure, resolution, and... 
THERMAL RACEMIZATION | ASYMMETRIC-SYNTHESIS | ENANTIOSELECTIVE SYNTHESIS | CHIRAL DISCRIMINATION | CATALYZED SYNTHESIS | MOLECULAR MACHINES | CHIROPTICAL PROPERTIES | PYRIDINE N-OXIDES | CRYSTAL-STRUCTURES | CHEMISTRY, MULTIDISCIPLINARY | 2+2+2 CYCLOISOMERIZATION
Journal Article