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chemistry, organic (77) 77
sigmatropic rearrangement (65) 65
chemistry, multidisciplinary (55) 55
sigmatropic rearrangements (40) 40
chemistry (28) 28
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organic chemistry (18) 18
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<2,3>-sigmatropic rearrangement (5) 5
[1,3] sigmatropic rearrangement (5) 5
[1,3]-sigmatropic rearrangement (5) 5
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[3,3]-sigmatropic rearrangement (4) 4
[3,3]-sigmatropic rearrangements (4) 4
[3,3]‐sigmatropic rearrangements (4) 4
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Chemical science, ISSN 2041-6520, 06/2017, Volume 8, Issue 6, pp. 4299 - 4305
We have identified an enantioselective copper-catalyzed -to- formal [1,3]-rearrangement to form -propargylic-2-pyridones. This enantioconvergent -to-... 
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 01/2014, Volume 136, Issue 4, pp. 1505 - 1513
Journal Article
Chemistry – An Asian Journal, ISSN 1861-4728, 08/2019, Volume 14, Issue 15, pp. 2604 - 2610
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 06/2016, Volume 81, Issue 12, pp. 5236 - 5243
A simple, yet powerful protocol for α-amino acid synthesis using carbon dioxide (CO2) was developed. α-Amino silanes could undergo four successive reactions... 
STEVENS REARRANGEMENT | TRANSFORMATION | SUBSTITUTION | AZETIDINIUM IONS | CHEMISTRY, ORGANIC | STEREOSELECTIVE-SYNTHESIS | SOMMELET-HAUSER REARRANGEMENT | SIGMATROPIC REARRANGEMENT | CARBON-DIOXIDE | SALTS | DERIVATIVES
Journal Article
Chemical Science, ISSN 2041-6520, 2017, Volume 8, Issue 6, pp. 4299 - 4305
We have identified an enantioselective copper-catalyzed O-to-N formal [1,3]-rearrangement to form N-propargylic-2-pyridones. This enantioconvergent O-to-N... 
ASYMMETRIC CATALYSIS | AMINATION | BETA-KETOESTERS | ALKYL MIGRATION | 2-PYRIDONES | ALLYLIC AMINES | ESTERS | SIGMATROPIC REARRANGEMENT | SUBSTITUTION-REACTIONS | CHEMISTRY, MULTIDISCIPLINARY | 3+2 CYCLOADDITION | Binding | Bimetals | Ambient temperature | Migration | Ligands | Nitrogen | Bonding | Substrates
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 02/2014, Volume 2014, Issue 4, pp. 878 - 886
Heating a range of suitably substituted diazoacetoacetates produced a family of 2‐(1,3‐dioxolan‐2‐yl)phenyl ketenes that, under thermal conditions, smoothly... 
Sigmatropic rearrangement | Cycli­zation | Nitrogen heterocycles | Ketenes | Electrocyclic reactions | Cyclization | CHEMISTRY, ORGANIC | SHIFTS | THERMAL CYCLIZATION | HETEROCYCLIC SYNTHESIS | REARRANGEMENT | ONE-POT PREPARATION | VITAMIN-D CALCIFEROL | VINYLALLENES | VINYLKETENES | DERIVATIVES | RING-CLOSURE | Hydrogen | Thiophene
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 12/2012, Volume 77, Issue 23, pp. 10856 - 10869
The thermal formal [1,3]-sigmatropic shift of allyl aryl ethers has been studied in depth experimentally with the aid of the density functional theory (DFT)... 
ALLYL VINYL ETHER | DENSITY | ORBITAL SYMMETRY CONTROL | SHIFT | ACID | VINYLPHOSPHIRANE | CHEMISTRY, ORGANIC | SUBSTITUTED 2-AMINOPENT-4-ENALS | BOND | COPE | 1,3 SIGMATROPIC REARRANGEMENT | Usage | Analysis | Isomerization | Rearrangements (Chemistry) | Density functionals | Chemical properties | Ethers | Structure | Cascade reactions
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2011, Volume 52, Issue 50, pp. 6697 - 6701
Highly substituted indole derivatives have been prepared in good to excellent yields by a novel gold-catalyzed cyclization accompanied by [3,3]-migration of... 
Pyrrolo quinolone | AuCl 3 | Substituted indoles | Cyclization | [3,3]-Sigmatropic rearrangement | Pyrrolo coumarin | AuCl | PYRROLOCOUMARIN DERIVATIVES | BIOLOGICAL-ACTIVITY | CHEMISTRY, ORGANIC | AuCl3 | ALKYNES | Organic chemistry | Migration | Tetrahedrons | Chemical reactions | Strategy | Transformations | Indoles | Derivatives
Journal Article
Journal of Fluorine Chemistry, ISSN 0022-1139, 12/2014, Volume 168, pp. 236 - 239
•A unusual [1,5] NO2 shift in trifluoromethylated dibenzopyran systems was studied using DFT methods.•Mechanism of nitrous acid extrusion from... 
[1,5] Sigmatropic shift | Nitrocompounds | DFT study | Mechanism | DOMINO REACTION | CHEMISTRY, ORGANIC | 2+3 CYCLOADDITION | NITROSTYRENE | DERIVATIVES | CHEMISTRY, INORGANIC & NUCLEAR | Nitriles | Extrusion | Fluorine | Computation | Migration | Channels | Nitrous acid
Journal Article
by Zhang, C and Dong, SL and Zheng, Y and He, CW and Chen, JL and Zhen, JS and Qiu, LH and Xu, XF
ORGANIC & BIOMOLECULAR CHEMISTRY, ISSN 1477-0520, 02/2018, Volume 16, Issue 5, pp. 688 - 692
Journal Article
Organic & biomolecular chemistry, ISSN 1477-0520, 01/2018, Volume 16, Issue 5, pp. 688 - 692
A thermally induced, substrate-dependent reaction of alkynyl diazo compounds has been developed. This transformation produces spiro-4H-pyrazole-oxindoles and... 
Journal Article
Russian Chemical Bulletin, ISSN 1066-5285, 9/2012, Volume 61, Issue 9, pp. 1681 - 1688
In terms of the density functional theory using the B3LYP functional, 1,2,3,4,5,6,7-heptaphenylcycloheptatriene was shown to be the most stable in the boat... 
Chemistry | B3LYP functional | Chemistry/Food Science, general | sigmatropic shifts | heptaphenylcycloheptatriene | density functional theory | stereochemical nonrigidity | Inorganic Chemistry | chiral ligands | Organic Chemistry | CIRCUMAMBULATORY REARRANGEMENTS | COMPLEXES | CHEMISTRY, MULTIDISCIPLINARY | NMR | CYCLOPENTADIENE DERIVATIVES | RING | MOTORS | Hydrogen
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 2018, Volume 16, Issue 6, pp. 874 - 879
Thermolysis of a coumarin trichloroacetimidate yields a single rearrangement product. The proposed mechanism is a pseudopericyclic allowed (Woodward-Hoffman... 
DENSITY | SIGMATROPIC REARRANGEMENTS | CHEMISTRY, ORGANIC | MECHANISM | ESTERS | Coumarin | Migration | Intermediates
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2007, Volume 48, Issue 38, pp. 6767 - 6770
Reduction of (1 R,6 R)-7,9-diazabicyclo[4.2.2]dec-3-ene-8,10-dione ( 5) with lithium aluminum hydride gave a mixture of the expected (1 R,6... 
Bicyclic piperazines | Ring strain | Sigmatropic rearrangement | 1,2-Bond migration | LAH reduction | MECHANISM | BUILDING-BLOCKS | CHEMISTRY, ORGANIC | STEREOSELECTIVE SYNTHESIS | ring strain | 1,2-bond migration | bicyclic piperazines | ANTIBACTERIALS | LITHIUM ALUMINUM-HYDRIDE | RING | INHIBITORS | sigmatropic rearrangement | BINDING | CYCLIZATION
Journal Article
Journal of Physical Organic Chemistry, ISSN 0894-3230, 12/2018, Volume 31, Issue 12, pp. e3888 - n/a
Rate constants for overall decomposition (kd) for a series of exo‐7‐alkylbicyclo[3.2.0]hept‐2‐enes are relatively invariant. For the alkyl substituents ethyl,... 
first‐order kinetics | vinylcyclobutane thermal chemistry | bicyclo[3.2.0]hept‐2‐enes | computational analysis | [1,3] sigmatropic rearrangement | [1,3] carbon migration | bicyclo[3.2.0]hept-2-enes | first-order kinetics | MECHANISM | STEREOCHEMISTRY | CONFIGURATION | CHEMISTRY, ORGANIC | CHEMISTRY, PHYSICAL | INVERSION | MOLECULES | REARRANGEMENT
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 01/2004, Volume 2004, Issue 2, pp. 273 - 280
We explore the possibility of suprafacial hydrogen atom migration over several organic tapes—infinite chains of polycyclic conjugated hydrocarbons. It’s not... 
Polycyclic aromatic hydrocarbons | Hydrogen migrations | Sigmatropic rearrangement | QUANTUM-MECHANICAL METHODS | hydrogen migrations | AROMATICITY | AB-INITIO | SURFACE | CHEMISTRY, ORGANIC | SHIFTS | polycyclic aromatic hydrocarbons | DENSITY-FUNCTIONAL THEORY | REARRANGEMENTS | sigmatropic rearrangement | HARTREE-FOCK
Journal Article
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