Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 183
... ( shown in Figure 3 by filled triangles ) . Deviations are observed to either greater acidity [ acids ( 35 ) , ( 36 ) , ( 40 ) ] or , more normally , to less acidity than predicted from the values of AM . Frequently steric interactions ...
... ( shown in Figure 3 by filled triangles ) . Deviations are observed to either greater acidity [ acids ( 35 ) , ( 36 ) , ( 40 ) ] or , more normally , to less acidity than predicted from the values of AM . Frequently steric interactions ...
Page 460
... shown in Scheme 2. Analogously , with the indoles 3,4 an a - cleavage is shown both by 1 - substituted derivatives and by 3,4 - dimethyl - 1H - pyrrolo [ 2,3 - b ] pyridine . The fragmentation ions at m / e 118 for 1- and 2 - methyl- 1H ...
... shown in Scheme 2. Analogously , with the indoles 3,4 an a - cleavage is shown both by 1 - substituted derivatives and by 3,4 - dimethyl - 1H - pyrrolo [ 2,3 - b ] pyridine . The fragmentation ions at m / e 118 for 1- and 2 - methyl- 1H ...
Page 478
... shown to be present , particularly in tri - 2 - furylphosphine oxide , and the corresponding trithienyl derivative , whereas in ( 1 ) ( II ) ( III ) 739-54 821-38 828.55 VA 759-81 780.23 779-26 717-67 737-30 734.08 869-79 878-73 872-10 ...
... shown to be present , particularly in tri - 2 - furylphosphine oxide , and the corresponding trithienyl derivative , whereas in ( 1 ) ( II ) ( III ) 739-54 821-38 828.55 VA 759-81 780.23 779-26 717-67 737-30 734.08 869-79 878-73 872-10 ...
Contents
Physical organic chemistry | 1 |
Topochemistry Part XXX Crystal and molecular structures of chalcone | 11 |
Conformational studies Part I Crystal and molecular structures of cis12dipchlorobenzoyl and cis | 17 |
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A. R. Katritzky alcohol alkyl Amer anion aqueous aromatic ation axial benzene bond bromination calculated carbanion carbon acids carbon atom carbon tetrachloride carbonyl catalyst Chem chemical shifts Chemistry chloride complex compounds concentration conformation correlation coupling constants crystal cyclohexane derivatives difference dilute dimethyl sulphoxide dioxan electron elimination energy equation equatorial equilibrium ester ethanol ether experimental Figure fluorene formation fraction H₂O H₂SO hydrogen hydrolysis hydroxide indicators interaction intermediate ionisation isomer isomerization isotope effect k₁ k₂ kcal kcal./mole kinetic measured mechanism methyl mixture mole mole-¹ molecular molecule n.m.r. spectra nitration nitrogen nucleophilic observed obtained oxide oxime oxygen parameters phenyl Phys piperidine plot proton pyridines R. P. Bell radical rate constants ratio reaction reactivity ring shown shows sodium solution solvent spectrum structure substituents sulphuric acid t-butyl Table temperature Tetrahedron thiophen transition values