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Page 3004
... material ( 9 mg . ) . Elution with benzene ( 50 ml . ) and 4 : 1 benzene - ether ( 50 ml . ) gave an uncrystallizable gum ( 9.6 mg . ) , which closely resembled the product of the preceding experiment in its infrared spectrum . On ...
... material ( 9 mg . ) . Elution with benzene ( 50 ml . ) and 4 : 1 benzene - ether ( 50 ml . ) gave an uncrystallizable gum ( 9.6 mg . ) , which closely resembled the product of the preceding experiment in its infrared spectrum . On ...
Page 3143
... Material . - The view that hydrolysis by adsorbed moisture , and subsequent absorption of atmospheric carbon dioxide , is responsible for the surface contamination is given some support by the decomposition of freshly prepared material ...
... Material . - The view that hydrolysis by adsorbed moisture , and subsequent absorption of atmospheric carbon dioxide , is responsible for the surface contamination is given some support by the decomposition of freshly prepared material ...
Page 3338
... material comprised mainly D - galactose and L - arabinose , with smaller amounts of D - xylose and traces of uronic acid and L - rhamnose . Partial fractionation on diethylaminoethylcellulose indicated the hetero- geneity of this material ...
... material comprised mainly D - galactose and L - arabinose , with smaller amounts of D - xylose and traces of uronic acid and L - rhamnose . Partial fractionation on diethylaminoethylcellulose indicated the hetero- geneity of this material ...
Contents
NO PAGE | 2842 |
Mechanism of benzidine and semidine rearrangements Part XV A collective | 2864 |
By DAVID PETERS | 2901 |
Copyright | |
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absorption acetic acid acetone added adduct alcohol alkyl Amax Amer anhydride aqueous aromatic atom atomic orbitals band benzene bond bromine Calc carbon carbonyl cation CH₂ Chem chloroform chromatography cm.¹ complex compound concentration constant crystallised cyclohexane decomp decomposition derivatives dilute dimethyl distilled dried effect electron ester ethanol ether evaporated extracted filtered filtrate formation formed Found fraction gave give heated hydride hydrogen hydrolysis hydroxide infrared infrared spectrum iodide ionisation energies isomer kinetic light petroleum b. p. lithium lithium aluminium hydride mechanism methyl mixed m. p. mixture mole molecular molecule nitric oxide nitrogen Nujol observed obtained oxidation perchlorate phenyl potassium prepared proton pyridine reaction rearrangement reduced refluxed requires residue room temperature salt sodium sodium hydroxide solid solution solvent spectra steric steric effect structure substitution sulphate Table thionyl chloride transition ultraviolet values Vmax yield