Journal of the Chemical Society, Part 2, Pages 1201-2488The Society., 1964 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Results 1-3 of 81
Page 1509
... proton absorption at 2.15 or 1.78 T for compound I or II , respectively , may therefore indicate one aromatic proton in a hydroxy- pyrazine ring . Protons in methyl groups attached directly to the pyrazine or hydroxypyrazine ring ...
... proton absorption at 2.15 or 1.78 T for compound I or II , respectively , may therefore indicate one aromatic proton in a hydroxy- pyrazine ring . Protons in methyl groups attached directly to the pyrazine or hydroxypyrazine ring ...
Page 1554
... proton line being taken as the internal reference . When the strong line of the solvent protons obscured part of a spectrum , it was recorded again under equivalent conditions in solution in deuterium oxide . The error in the shifts is ...
... proton line being taken as the internal reference . When the strong line of the solvent protons obscured part of a spectrum , it was recorded again under equivalent conditions in solution in deuterium oxide . The error in the shifts is ...
Page 1558
... proton . In histidine , the imidazole group itself contains two olefinic CH protons , whose lines lie on the low - field side of the solvent . For both of these protons , in particular the one between the nitrogen atoms , the shifts ...
... proton . In histidine , the imidazole group itself contains two olefinic CH protons , whose lines lie on the low - field side of the solvent . For both of these protons , in particular the one between the nitrogen atoms , the shifts ...
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Common terms and phrases
1-methylheptyl 1-phenylethyl bromide absorption acetic acid acetone acetonitrile adducts alcohol alginic acid Amer amine anhydride aniline aqueous atom benzene bond Calc calculated carbon Chem chloride chloroform CHPh chromatography cm.¹ complex compounds concentration crystallised cyanohydrin derivative diazomethane diphenylphosphinic dissociation constants distilled enol equation equilibrium constants ester ethanol ether evaporated EXPERIMENTAL extracted formation formed Found fraction gave H₂O halides hydrazine hydrides hydrogen cyanide hydrolysis hydroxide infrared spectrum isomers k₁ k₂ kcal ketone kinetic ligand magnesium manganese(III methanolysis methyl mixed m. p. mixture mmoles mole mole-¹ molecule nitrogen nucleophilic o-complex obtained optical oxaloacetic acid oxidation peaks peroxide petroleum b. p. phenols phosphate phosphine picryl potassium prepared proton pyridine rate coefficients reaction reflux requires residue room temperature rotation shown silanes sodium solution solvent spectra structure substituted sulphide sulphuric Table tetracyanoethylene titration tricyanovinyl values yield