共 20 条
[1]
ELECTROPHILIC AROMATIC-SUBSTITUTION .30. THE EFFECTS OF THE PARA-BICYCLO [2.2.2] OCTAN-1-YL, ADAMANTAN-1-YL, EXO- AND ENDO-NORBORNAN-2-YL, AND NEOPENTYL SUBSTITUENTS IN DETRITIATION - STERIC ACCELERATION OF HYPERCONJUGATION
[J].
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2,
1982, (02)
:181-185
[2]
C-13 SUBSTITUENT CHEMICAL-SHIFTS IN THE SIDE-CHAIN CARBONS OF AROMATIC SYSTEMS - THE IMPORTANCE OF PI-POLARIZATION IN DETERMINING CHEMICAL-SHIFTS
[J].
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2,
1981, (05)
:753-759
[3]
STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS .36. EFFECT OF INCREASING ELECTRON DEMAND ON C-13 NUCLEAR MAGNETIC-RESONANCE SHIFTS IN THE 1-ARYL-1-CYCLOHEXYL AND 1-ARYL-1-CYCLOHEPTYL CARBOCATIONS - FURTHER TEST OF THE ABILITY OF THE SIGMA-C+ CONSTANTS TO CORRELATE C-13 NUCLEAR MAGNETIC-RESONANCE SHIFTS
[J].
JOURNAL OF ORGANIC CHEMISTRY,
1981, 46 (16)
:3161-3165
[4]
STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS .35. C-13 NUCLEAR MAGNETIC-RESONANCE STUDIES OF CARBOCATIONS - EFFECT OF INCREASING ELECTRON DEMAND ON THE C-13 NUCLEAR MAGNETIC-RESONANCE SHIFTS IN 2-ARYL-2-BUTYL AND 4-ARYL-4-HEPTYL CARBOCATIONS - CORRELATION OF THE DATA BY A NEW SET OF SUBSTITUENT CONSTANTS SIGMA-C+
[J].
JOURNAL OF ORGANIC CHEMISTRY,
1981, 46 (08)
:1646-1650
[5]
STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS .40. C-13 NUCLEAR MAGNETIC-RESONANCE STUDIES OF CARBOCATIONS .8. ANOMALOUS C-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-BRIDGINGLE
[J].
JOURNAL OF ORGANIC CHEMISTRY,
1982, 47 (11)
:2089-2101
[7]
STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS .38. C-13 NUCLEAR MAGNETIC-RESONANCE 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+
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JOURNAL OF ORGANIC CHEMISTRY,
1981, 46 (16)
:3170-3174
[8]
STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS .34. C-13 NMR-STUDIES OF CARBOCATIONS .4. EFFECT OF INCREASING ELECTRON DEMAND ON THE C-13 NMR SHIFTS IN SUBSTITUTED TERT-CUMYL AND 1-ARYL-1-CYCLOPENTYL CARBOCATIONS - CORRELATION OF THE DATA BY A NEW SET OF SUBSTITUENT CONSTANTS, SIGMA-C+
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PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-PHYSICAL SCIENCES,
1980, 77 (12)
:6956-6960
[9]
STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS .39. EXAMINATION OF THE ABILITY OF THE C-13 NMR SHIFT-SIGMA-C+ CORRELATION FOR SUBSTITUTED BENZYLIC CATIONS TO ACCOMMODATE THE HIGHLY ELECTRON DONATING 5-COUMARANYL MOIETY - EVALUATION OF THE SIGNIFICANCE OF THE RHO-C+ VALUES OBSERVED FOR THE SIMPLE ARYLDIALKYL CARBOCATIONS
[J].
JOURNAL OF ORGANIC CHEMISTRY,
1982, 47 (01)
:5-8
[10]
STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS .37. EFFECT OF INCREASING ELECTRON DEMAND ON C-13 NUCLEAR MAGNETIC-RESONANCE SHIFTS IN THE 9-ARYL-EXO-5,6-TRIMETHYLENE AND 9-ARYL-ENDO-5,6-TRIMETHYLENE-9-NORBORNYL CARBOCATIONS - EFFECT OF THE CATIONIC CARBON CENTER ON REMOTE CARBON-ATOMS IN THE SKELETON AS REVEALED BY INCREASING ELECTRON DEMANDAR
[J].
JOURNAL OF ORGANIC CHEMISTRY,
1981, 46 (16)
:3166-3170