Steric effects

Results: 32



#Item
21Spectroscopy / Functional groups / Nuclear magnetic resonance spectroscopy / Chemical shift / Alkane / Proton / Tetrahydropyran / Ether / Two-dimensional nuclear magnetic resonance spectroscopy / Chemistry / Physics / Nuclear magnetic resonance

Proton Chemical Shifts in NMR. Part 121. Steric, electric field and conformational effects in acyclic and cyclic ethers. Raymond J. Abraham,*,a Mark A. Warnea and Lee Griffithsb a Chemistry Department, The University of

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Source URL: www.modgraph.co.uk

Language: English - Date: 2012-01-10 04:04:48
22Spectroscopy / Chemical elements / Proton NMR / Oxidizing agents / Chemical shift / Proton / A value / Nuclear magnetic resonance spectroscopy / Chlorine / Chemistry / Physics / Nuclear magnetic resonance

Proton chemical shifts in NMR. Part 9.1 Steric and electric field effects in chlorine substituent chemical shifts (SCS) Raymond J. Abraham,*,a Mark A. Warne a and Lee Griffiths b a b

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Source URL: www.modgraph.co.uk

Language: English - Date: 2012-01-10 04:05:05
23Stereochemistry / Physical organic chemistry / Proton NMR / A value / Chemical shift / Proton / Ring flip / Chlorine / Cyclohexane conformation / Chemistry / Nuclear magnetic resonance / Spectroscopy

Proton Chemical Shifts in NMR. Part 9.† Steric and Electric Field Effects in Chlorine Substituent Chemical Shifts (SCS) Raymond J. Abraham,*,a Mark A. Warnea and Lee Griffithsb a Chemistry Department, The University of

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Source URL: www.modgraph.co.uk

Language: English - Date: 2012-01-10 04:04:39
24Spectroscopy / Quantum chemistry / Physical organic chemistry / Chemical bonding / Chemical shift / Nuclear magnetic resonance spectroscopy / Aromatic ring current / Chemical bond / Proton NMR / Chemistry / Physics / Nuclear magnetic resonance

1 Proton chemical shifts in NMR, part[removed]Chemical shifts in alkenes and the anisotropic and steric effects of the double bond. Raymond J. Abraham* and Marcos Canton *

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Source URL: www.modgraph.co.uk

Language: English - Date: 2012-01-10 04:04:44
25Functional groups / Spectroscopy / Proton NMR / Nuclear magnetic resonance spectroscopy / Carbonyl / Aromatic ring current / Chemical shift / Ketone / Keto-enol tautomerism / Chemistry / Organic chemistry / Nuclear magnetic resonance

1 H Chemical Shifts in NMR. Part 191. Carbonyl Anisotropies and Steric Effects in

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Source URL: www.modgraph.co.uk

Language: English - Date: 2012-01-10 04:04:45
26Chemical nomenclature / Steric effects / Substituent / K / Chemistry / Physical organic chemistry / Stereochemistry

Microsoft Word - BrochureChemSabre.doc

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Source URL: www.chemapps.com

Language: English - Date: 2011-10-31 20:33:20
27Nanotechnology / Fluid dynamics / Chemistry / Van der Waals force / Steric effects

Particle Separation by Capillary Electrophoresis in Nanochannels D. * Boy ,

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Source URL: www.ima.umn.edu

Language: English - Date: 2011-10-21 11:14:07
28Diels–Alder reaction / Povarov reaction / Nitrone-olefin 3+2 cycloaddition / Imine Diels-Alder reaction / Chemistry / Organic reactions / Organic chemistry

Aza-Diels–Alder reaction between N-aryl-1-oxo-1H-isoindolium ions and tert-enamides: Steric effects on reaction outcome

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Source URL: www.ncbi.nlm.nih.gov

Language: English
29Cyclohexane conformation / Stereoisomerism / Alkane stereochemistry / Steric effects / Chemical bond / Macrocyclic stereocontrol / Carbohydrate conformation / Chemistry / Stereochemistry / Conformational isomerism

CONFORMATIONAL ANALYSIS—SCOPE AND PRESENT LIMITATIONS

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Source URL: pac.iupac.org

Language: English - Date: 2008-03-04 12:25:01
30Physical organic chemistry / Stereochemistry / Steric effects / Chemical bond / Powder diffraction / X-ray crystallography / Chemistry / Diffraction / Science

Structural Study of Langbeinite-type (NH4)2Cd2(SO4)3 Crystal in the High-temperature Phase

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Source URL: ir.lib.hiroshima-u.ac.jp

Language: English - Date: 2007-03-27 20:56:26
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