Structural effects in solvolytic reactions. 45. Carbon-13 NMR studies of carbocations. 9. Variation of the cationic carbon chemical shifts with increasing electron demand in 1,1-diaryl-1-ethyl carbocations. Importance of the inductive localized .pi.-polarization effect in causing deviations from linearity

Herbert C. Brown; Mariappan Periasamy; P. Thirumalai Perumal; David P. Kelly; Joseph J. Giansiracusa

doi:10.1021/ja00358a019

Structural effects in solvolytic reactions. 45. Carbon-13 NMR studies of carbocations. 9. Variation of the cationic carbon chemical shifts with increasing electron demand in 1,1-diaryl-1-ethyl carbocations. Importance of the inductive localized .pi.-polarization effect in causing deviations from linearity

Journal of the American Chemical Society ◽

10.1021/ja00358a019 ◽

1983 ◽

Vol 105 (20) ◽

pp. 6300-6305 ◽

Cited By ~ 4

Author(s):

Herbert C. Brown ◽

Mariappan Periasamy ◽

P. Thirumalai Perumal ◽

David P. Kelly ◽

Joseph J. Giansiracusa

Keyword(s):

Polarization Effect ◽

Chemical Shifts ◽

Structural Effects ◽

Nmr Studies ◽

Electron Demand

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ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 38. CARBON-13 NMR STUDIES OF CARBOCATIONS. 6. EFFECT OF INCREASING ELECTRON DEMAND ON THE CHEMICAL SHIFTS OF THE α-CARBON ATOMS IN SUBSTITUTED ARYLDIALKYL CARBOCATIONS. CORRELATION OF THE DA

Chemischer Informationsdienst ◽

10.1002/chin.198150069 ◽

1981 ◽

Vol 12 (50) ◽

Author(s):

H. C. BROWN ◽

D. P. KELLY ◽

M. PERIASAMY

Keyword(s):

Chemical Shifts ◽

Structural Effects ◽

Nmr Studies ◽

Electron Demand

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ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 46. CARBON-13 NMR STUDIES OF CARBOCATIONS. 11. ANOMALOUS CARBON-13 CHEMICAL SHIFTS WITH INCREASING ELECTRON DEMAND IN A MODEL CLASSICAL 2-NORBORNYL SYSTEM, THE 2-ARYL-3-METHYLENE-2-NORBORNYL

Chemischer Informationsdienst ◽

10.1002/chin.198431063 ◽

1984 ◽

Vol 15 (31) ◽

Author(s):

H. C. BROWN ◽

M. PERIASAMY ◽

P. T. PERUMAL ◽

D. P. KELLY

Keyword(s):

Chemical Shifts ◽

Structural Effects ◽

Nmr Studies ◽

Electron Demand

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Structural effects in solvolytic reactions. 46. Carbon-13 NMR studies of carbocations. 11. Anomalous carbon-13 chemical shifts with increasing electron demand in a model classical 2-norbornyl system, the 2-aryl-3-methylene-2-norbornyl cations

Journal of the American Chemical Society ◽

10.1021/ja00320a022 ◽

1984 ◽

Vol 106 (8) ◽

pp. 2359-2363 ◽

Cited By ~ 3

Author(s):

Herbert C. Brown ◽

Mariappan Periasamy ◽

P. Thirumalai Perumal ◽

David P. Kelly

Keyword(s):

Chemical Shifts ◽

Structural Effects ◽

Nmr Studies ◽

Electron Demand

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Structural effects in solvolytic reactions. 38. Carbon-13 NMR studies of carbocations. 6. Effect of increasing electron demand on the chemical shifts of the .alpha.-carbon atoms in substituted aryldialkyl carbocations. Correlation of the data with a new set of substituent constants, .sigma..alpha.-C+

The Journal of Organic Chemistry ◽

10.1021/jo00329a003 ◽

1981 ◽

Vol 46 (16) ◽

pp. 3170-3174 ◽

Cited By ~ 2

Author(s):

Herbert C. Brown ◽

David P. Kelly ◽

Mariappan Periasamy

Keyword(s):

Chemical Shifts ◽

Structural Effects ◽

Nmr Studies ◽

Substituent Constants ◽

Electron Demand ◽

Alpha Carbon

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ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 45. CARBON-13 NMR STUDIES OF CARBOCATIONS. 9. VARIATION OF THE CATIONIC CARBON CHEMICAL SHIFTS WITH INCREASING ELECTRON DEMAND IN 1,1-DIARYL-1-ETHYL CARBOCATIONS. IMPORTANCE OF THE INDUCTIVE

Chemischer Informationsdienst ◽

10.1002/chin.198402051 ◽

1984 ◽

Vol 15 (2) ◽

Author(s):

H. C. BROWN ◽

M. PERIASAMY ◽

P. T. PERUMAL ◽

D. P. KELLY ◽

J. J. GIANSIRACUSA

Keyword(s):

Chemical Shifts ◽

Structural Effects ◽

Nmr Studies ◽

Electron Demand

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ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 40. CARBON-13 NUCLEAR MAGNETIC RESONANCE STUDIES OF CARBOCATIONS. 8. ANOMALOUS CARBON-13 CHEMICAL SHIFTS WITH INCREASING ELECTRON DEMAND IN THE 2-ARYL-2-NORBORNYL CATIONS AND RELATED SYSTEMS

Chemischer Informationsdienst ◽

10.1002/chin.198249059 ◽

1982 ◽

Vol 13 (49) ◽

Author(s):

H. C. BROWN ◽

M. PERIASAMY ◽

D. P. KELLY ◽

J. J. GIANSIRACUSA

Keyword(s):

Nuclear Magnetic Resonance ◽

Magnetic Resonance ◽

Chemical Shifts ◽

Structural Effects ◽

Magnetic Resonance Studies ◽

Electron Demand ◽

Nuclear Magnetic

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ChemInform Abstract: Carbon-13 NMR Studies of Carbocations. Part 12. Effect of Increasing Electron Demand on the13C Chemical Shifts of 1-Aryl-1-cycloalkyl-1-ethyl and 1-Aryl-2-methyl-1-cycloalkyl Cations.

Chemischer Informationsdienst ◽

10.1002/chin.198618056 ◽

1986 ◽

Vol 17 (18) ◽

Author(s):

D. P. KELLY ◽

M. PERIASAMY ◽

P. T. PERUMAL

Keyword(s):

Chemical Shifts ◽

Nmr Studies ◽

Electron Demand

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Carbon-13 NMR studies of carbocations. 12. Effect of increasing electron demand on the carbon-13 chemical shifts of 1-aryl-1-cycloalkyl-1-ethyl and 1-aryl-2-methyl-1-cycloalkyl cations

The Journal of Organic Chemistry ◽

10.1021/jo00223a028 ◽

1985 ◽

Vol 50 (23) ◽

pp. 4566-4568 ◽

Cited By ~ 4

Author(s):

David P. Kelly ◽

Mariappan Periasamy ◽

P. Thirumalai Perumal

Keyword(s):

Chemical Shifts ◽

Nmr Studies ◽

Electron Demand

Download Full-text

Structural effects in solvolytic reactions; carbon-13 NMR studies of carbocations : Effect of increasing electron demand on the carbon-13 NMR shifts in substituted tert-cumyl and 1-aryl-1-cyclopentyl carbocations--correlation of the data by a new set of substituent constants, C+

Proceedings of the National Academy of Sciences ◽

10.1073/pnas.77.12.6956 ◽

1980 ◽

Vol 77 (12) ◽

pp. 6956-6960 ◽

Cited By ~ 19

Author(s):

H. C. Brown ◽

D. P. Kelly ◽

M. Periasamy

Keyword(s):

Structural Effects ◽

Nmr Studies ◽

Substituent Constants ◽

Electron Demand

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Structural effects in solvolytic reactions. 40. Carbon-13 nuclear magnetic resonance studies of carbocations. 8. Anomalous carbon-13 chemical shifts with increasing electron demand in the 2-aryl-2-norbornyl cations and related systems. Evidence that these anomalous shifts are not diagnostic for the onset of nonclassical .sigma. bridging

The Journal of Organic Chemistry ◽

10.1021/jo00132a021 ◽

1982 ◽

Vol 47 (11) ◽

pp. 2089-2101 ◽

Cited By ~ 12

Author(s):

Herbert C. Brown ◽

Mariappan Periasamy ◽

David P. Kelly ◽

Joseph J. Giansiracusa

Keyword(s):

Nuclear Magnetic Resonance ◽

Magnetic Resonance ◽

Chemical Shifts ◽

Structural Effects ◽

Magnetic Resonance Studies ◽

Electron Demand ◽

Nuclear Magnetic

Download Full-text