Quarterly Journal of the Chemical Society of London, Volume 1 |
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Results 1-3 of 79
Page 83
... ratio of loss of CH , CH2D , and CHD2 after randomization of H and D in CHD2 + would be ( 6 ! / 3 ! 3 ! ) : ( 6 ! × 2/4 ! 2 ! ) : 6 , i.e. , 10 : 15 : 3 . Alternatively , if the 2,2 - dideuterio- derivatives lose DX then the C , H , D + ...
... ratio of loss of CH , CH2D , and CHD2 after randomization of H and D in CHD2 + would be ( 6 ! / 3 ! 3 ! ) : ( 6 ! × 2/4 ! 2 ! ) : 6 , i.e. , 10 : 15 : 3 . Alternatively , if the 2,2 - dideuterio- derivatives lose DX then the C , H , D + ...
Page 84
... ratio of 3 · 3 : 14 · 5 : 10-2 ( see also Figure 2 ) while traversing the first field - free region , again quite close to the ratio calculated for randomization of H and D in CH ̧D ̧ • * ( Calc . 3:15:10 ) . These data provide striking ...
... ratio of 3 · 3 : 14 · 5 : 10-2 ( see also Figure 2 ) while traversing the first field - free region , again quite close to the ratio calculated for randomization of H and D in CH ̧D ̧ • * ( Calc . 3:15:10 ) . These data provide striking ...
Page 638
... ratio was determined from the relative areas of the 7- and 4 - protons in the 4- and 7 - aza - isomers , respectively . COCI3 protons , the methyl peak singlets were too close to allow their use . 4 - Aza - 5,7 - dimethylbenzofuroxan ...
... ratio was determined from the relative areas of the 7- and 4 - protons in the 4- and 7 - aza - isomers , respectively . COCI3 protons , the methyl peak singlets were too close to allow their use . 4 - Aza - 5,7 - dimethylbenzofuroxan ...
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