High Resolution Nuclear Magnetic Resonance Spectroscopy, Volume 2 |
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Page 750
... monosubstituted benzenes with a view to reaching an understanding of the effects of substitution on the chemical TABLE 10.48 1H CHEMICAL SHIFTS ( IN CYCLES SEC - 1 RELATIVE TO BENZENE ) OF SOME MONOSUBSTITUTED BENZENES ( 208 ) EXAMINED ...
... monosubstituted benzenes with a view to reaching an understanding of the effects of substitution on the chemical TABLE 10.48 1H CHEMICAL SHIFTS ( IN CYCLES SEC - 1 RELATIVE TO BENZENE ) OF SOME MONOSUBSTITUTED BENZENES ( 208 ) EXAMINED ...
Page 753
... monosubstituted ben- zenes . Hammett constants are obtained using disubstituted benzenes and would therefore not be strictly applicable to the monosubstituted derivatives . Further- more , Hammett constants are derived from kinetic data ...
... monosubstituted ben- zenes . Hammett constants are obtained using disubstituted benzenes and would therefore not be strictly applicable to the monosubstituted derivatives . Further- more , Hammett constants are derived from kinetic data ...
Page 930
... Monosubstituted Derivatives The fluorine atoms in sulphur hexafluoride are at the corners of a regular octahedron as shown in Fig . 11.17 and the molecule has a tetragonal bipyramidal structure . Monosubstitution of the molecule results ...
... Monosubstituted Derivatives The fluorine atoms in sulphur hexafluoride are at the corners of a regular octahedron as shown in Fig . 11.17 and the molecule has a tetragonal bipyramidal structure . Monosubstitution of the molecule results ...
Contents
FOREWORD xix | 661 |
EXPERIMENTAL PROCEDURES 256 | 664 |
Alkenes | 710 |
Copyright | |
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13C chemical 19F chemical shifts 19F resonance spectrum ¹H CHEMICAL SHIFTS ¹H resonance spectrum 31P chemical shifts absorption bands acetone acetylenic acid alkyl Amer aromatic axial benzene boron atoms C-C bond carbon atoms CCl4 cent CF3COOH CH3 CH3 Chem Chemical shifts measured chloride compounds contribution correlation coupling constants COUPLING CONSTANTS CYCLES cycles sec cycles sec-1 cyclohexane derivatives deshielding diamagnetic dilution doublet electron electronegativity ethylene examined external reference fluorine fluorine atoms fluorine nuclei furan geminal H H H H-H coupling constants halides high field hydrogen atoms J. D. ROBERTS linear Liquid low field magnetic Mc sec-1 measured in ppm methyl group molecular molecules monosubstituted multiplet non-equivalent observed obtained olefinic paramagnetic phosphorus Phys pyrrole resonance band ring hydrogen nuclei sample sec-¹ shielding shown in Fig soln solution solvent SPIN COUPLING CONSTANTS spin-spin coupling structure substituents Table temperature thiophene trans triplet values vinyl