Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Cieplak_Effect> ?p ?o }
Showing triples 1 to 74 of
74
with 100 triples per page.
- Cieplak_Effect abstract "In organic chemistry, the Cieplak effect is a predictive model that explains why nucleophiles preferentially add to one face of a carbonyl over another. Proposed by Andrzej Stanislaw Cieplak in 1980, it explains anomalous results that other models of the time, such as the Cram and Felkin-Anh models, can't justify. In the Cieplak model, electrons from a neighboring bond delocalize into the forming carbon-nucleophile (C-Nuc) bond, lowering the energy of the transition state and accelerating the rate of reaction. Whichever bond can best donate its electrons into the C-Nuc bond determines which face of the carbonyl the nucleophile will add to. The nucleophile may be a number of reagents, most commonly organometallic or reducing agents. The Cieplak effect is subtle, and often competes with sterics, solvent effects, counterion complexation of the carbonyl oxygen, and other effects to determine product distribution.".
- Cieplak_Effect thumbnail Orbital_Stabilization_by_Hyperconjugation.gif?width=300.
- Cieplak_Effect wikiPageID "44558555".
- Cieplak_Effect wikiPageLength "14440".
- Cieplak_Effect wikiPageOutDegree "62".
- Cieplak_Effect wikiPageRevisionID "700960882".
- Cieplak_Effect wikiPageWikiLink Acyl.
- Cieplak_Effect wikiPageWikiLink Alcohol.
- Cieplak_Effect wikiPageWikiLink Alkane_stereochemistry.
- Cieplak_Effect wikiPageWikiLink Alpha_and_beta_carbon.
- Cieplak_Effect wikiPageWikiLink Anomeric_effect.
- Cieplak_Effect wikiPageWikiLink Antibonding_molecular_orbital.
- Cieplak_Effect wikiPageWikiLink Asymmetric_induction.
- Cieplak_Effect wikiPageWikiLink Bridgehead.
- Cieplak_Effect wikiPageWikiLink Bürgi–Dunitz_angle.
- Cieplak_Effect wikiPageWikiLink Carbonyl.
- Cieplak_Effect wikiPageWikiLink Category:Chemistry.
- Cieplak_Effect wikiPageWikiLink Computational_chemistry.
- Cieplak_Effect wikiPageWikiLink Counterion.
- Cieplak_Effect wikiPageWikiLink Cyclohexanone.
- Cieplak_Effect wikiPageWikiLink David_A._Evans.
- Cieplak_Effect wikiPageWikiLink Delocalized_electron.
- Cieplak_Effect wikiPageWikiLink Eclipsed_conformation.
- Cieplak_Effect wikiPageWikiLink Electron.
- Cieplak_Effect wikiPageWikiLink Electron_deficiency.
- Cieplak_Effect wikiPageWikiLink Electron_density.
- Cieplak_Effect wikiPageWikiLink Electron_donor.
- Cieplak_Effect wikiPageWikiLink Electrostatics.
- Cieplak_Effect wikiPageWikiLink Equilibrium_chemistry.
- Cieplak_Effect wikiPageWikiLink Ester.
- Cieplak_Effect wikiPageWikiLink Ethyl_group.
- Cieplak_Effect wikiPageWikiLink Frontier_molecular_orbital_theory.
- Cieplak_Effect wikiPageWikiLink LUMO.
- Cieplak_Effect wikiPageWikiLink Hydride.
- Cieplak_Effect wikiPageWikiLink Hydroxyl.
- Cieplak_Effect wikiPageWikiLink Hyperconjugation.
- Cieplak_Effect wikiPageWikiLink Inductive_effect.
- Cieplak_Effect wikiPageWikiLink Methoxy.
- Cieplak_Effect wikiPageWikiLink Microscopic_reversibility.
- Cieplak_Effect wikiPageWikiLink Molecular_orbital.
- Cieplak_Effect wikiPageWikiLink Nucleophile.
- Cieplak_Effect wikiPageWikiLink Organic_chemistry.
- Cieplak_Effect wikiPageWikiLink Partial_charge.
- Cieplak_Effect wikiPageWikiLink Polar_effect.
- Cieplak_Effect wikiPageWikiLink Reducing_agent.
- Cieplak_Effect wikiPageWikiLink Sigma_bond.
- Cieplak_Effect wikiPageWikiLink Stereoselectivity.
- Cieplak_Effect wikiPageWikiLink Steric_effects.
- Cieplak_Effect wikiPageWikiLink Strain_(chemistry).
- Cieplak_Effect wikiPageWikiLink Syn_and_anti_addition.
- Cieplak_Effect wikiPageWikiLink Tetrahedral_molecular_geometry.
- Cieplak_Effect wikiPageWikiLink Transition_state.
- Cieplak_Effect wikiPageWikiLink File:Axial_Attack_of_Methylenecyclohexane.gif.
- Cieplak_Effect wikiPageWikiLink File:Axial_Reduction_of_Substituted_Cyclohexanones.gif.
- Cieplak_Effect wikiPageWikiLink File:Axial_vs_Equatorial_Approach_in_the_Cieplak_Model.gif.
- Cieplak_Effect wikiPageWikiLink File:Effect_of_Nucleophilicity_on_Axial_Attack.gif.
- Cieplak_Effect wikiPageWikiLink File:Effect_of_Reagent_Size_on_Cyclohexanone_Reduction.gif.
- Cieplak_Effect wikiPageWikiLink File:Electrostatics_as_an_Alternative_to_the_Cieplak_Model.PNG.
- Cieplak_Effect wikiPageWikiLink File:Houks_Electrostatic_Explanation_of_Stereoresults.PNG.
- Cieplak_Effect wikiPageWikiLink File:Nucleophilic_Attack_of_Substituted_Norbornones.gif.
- Cieplak_Effect wikiPageWikiLink File:Orbital_Stabilization_by_Hyperconjugation.gif.
- Cieplak_Effect wikiPageWikiLink File:Reduction_of_Substituted_Adamantones.gif.
- Cieplak_Effect wikiPageWikiLink File:Reduction_of_Substituted_Trans-Decalones.gif.
- Cieplak_Effect wikiPageWikiLinkText "Cieplak Effect".
- Cieplak_Effect wikiPageUsesTemplate Template:Orphan.
- Cieplak_Effect subject Category:Chemistry.
- Cieplak_Effect hypernym Model.
- Cieplak_Effect type Person.
- Cieplak_Effect comment "In organic chemistry, the Cieplak effect is a predictive model that explains why nucleophiles preferentially add to one face of a carbonyl over another. Proposed by Andrzej Stanislaw Cieplak in 1980, it explains anomalous results that other models of the time, such as the Cram and Felkin-Anh models, can't justify.".
- Cieplak_Effect label "Cieplak Effect".
- Cieplak_Effect sameAs m.012dtf7g.
- Cieplak_Effect wasDerivedFrom Cieplak_Effect?oldid=700960882.
- Cieplak_Effect depiction Orbital_Stabilization_by_Hyperconjugation.gif.
- Cieplak_Effect isPrimaryTopicOf Cieplak_Effect.