Quarterly Journal of the Chemical Society of London, Volume 1 |
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Results 1-3 of 75
Page 594
... ring ) • These shifts were measured for N - methylquinolinium perchlorate at a concentration of 0.04M . Similar results were obtained for N - methylquinolinium iodide with the exception that 8 ( 2 - ring ) was slightly larger for the ...
... ring ) • These shifts were measured for N - methylquinolinium perchlorate at a concentration of 0.04M . Similar results were obtained for N - methylquinolinium iodide with the exception that 8 ( 2 - ring ) was slightly larger for the ...
Page 615
... ring FIGURE 5 0 R = 1 A = -3 / ( 8n ' + 2n " EL = 1 / 8n ' + 2n ′′ ( n ' , n " > 0 ) - ( 4n " + 2 ) ring 3 3 ) -Complex from an alternant , bicyclic system of 4N atoms We have already shown that this is true for the class of molecules ...
... ring FIGURE 5 0 R = 1 A = -3 / ( 8n ' + 2n " EL = 1 / 8n ' + 2n ′′ ( n ' , n " > 0 ) - ( 4n " + 2 ) ring 3 3 ) -Complex from an alternant , bicyclic system of 4N atoms We have already shown that this is true for the class of molecules ...
Page 725
... ring causes contraction of the angles at the ends of the diagonal parallel to the fusion bond to as low as 108 ° . The five rings of the triterpene nucleus are all trans- fused , rings A , B , and C are chairs , ring D is a half - chair , ...
... ring causes contraction of the angles at the ends of the diagonal parallel to the fusion bond to as low as 108 ° . The five rings of the triterpene nucleus are all trans- fused , rings A , B , and C are chairs , ring D is a half - chair , ...
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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4-nitroaniline A. R. Katritzky acetic acid activation energy alcohol Amer amine anion aqueous aromatic aryl-methyl ation axial benzene bond bond dissociation energies bromination calculated carbanion carbon acids catalyst Chem chemical shifts Chemistry chloride compounds concentration conformation corresponding coupling constants crystal cyclohexane derivatives deviations dilute dimethyl sulphoxide dipole electron equation ether ethylene experimental Figure fluorene formation fraction H₂O hydrocarbons hydroxide increase indicators interactions intermediate ionisation isomer isomerization isotope effect k₁ k₂ kcal kcal./mole kinetic Mc./sec measured mechanism methanol methyl mixture mole mole-¹ molecular molecules n.m.r. spectra nitrogen nucleophilic observed obtained oxide oxygen parameters phenyl Phys piperidine proton pyridines R. P. Bell radical rate constants ratio reaction relative ring selenophen shown shows signal sodium solution solvent spectrum structure substituted t-butyl Table temperature Tetrahedron thiophen transition tri-o-thymotide triethylamine triphenylmethane wave