Quarterly Journal of the Chemical Society of London, Part 5, Pages 5005-6079 |
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Results 1-3 of 72
Page 5065
... residue crystallised from acetone , to give ( — ) - kaurane - 16a , 17 - diol ( IV ) ( 310 mg . ) as needles , m . p . 189-190 ° ( Found : C , 75-8 ; H , 11 · 4 . C20H34O2,0 · 5H2O requires C , 76-1 ; H , 11.2 % ) , max . 3370br cm. ̄1 ...
... residue crystallised from acetone , to give ( — ) - kaurane - 16a , 17 - diol ( IV ) ( 310 mg . ) as needles , m . p . 189-190 ° ( Found : C , 75-8 ; H , 11 · 4 . C20H34O2,0 · 5H2O requires C , 76-1 ; H , 11.2 % ) , max . 3370br cm. ̄1 ...
Page 5165
... residue , when chromatographed in chloroform over alumina and recrystallized from light petroleum ( b . p . 60-80 ° ) , gave 3,4 - dihydro - 2,4 - dimethyl - 3 - oxo - 1,4,6- triazanaphthalene ( 0.14 g . ) , m . p . 114-115 ° ( Found ...
... residue , when chromatographed in chloroform over alumina and recrystallized from light petroleum ( b . p . 60-80 ° ) , gave 3,4 - dihydro - 2,4 - dimethyl - 3 - oxo - 1,4,6- triazanaphthalene ( 0.14 g . ) , m . p . 114-115 ° ( Found ...
Page 5609
... residue , which contained the biaryl fraction in addition to the substance regarded as residue in expt . 3 , was weighed and analysed . For the purpose of calculation this combined residue was assumed , on the basis of the yields ...
... residue , which contained the biaryl fraction in addition to the substance regarded as residue in expt . 3 , was weighed and analysed . For the purpose of calculation this combined residue was assumed , on the basis of the yields ...
Contents
Peroxycomplexes of inorganic ions in hydrogen peroxidewater mixtures Part | 5020 |
Pyrazine metal complexes Part III | 5042 |
The reaction between ethane and oxygen at 600630 | 5106 |
103 other sections not shown
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol aldehyde alkaline alumina Amax Amer anhydride aromatic atoms bands benzene benzyl boiling bond bromide Calc carbonate carboxylic Chem chloride chloroform chromatography cm.¹ complexes compound concentration constants crystallised crystals decomp decomposition derivative dilute dioxan distilled dried electron Elution ester ethanol ether ethyl acetate ethylene evaporated extracted filtered filtrate formation formed Found fraction gave H₂O heated hydration hydrogen hydrolysis infrared infrared spectrum iodide isomer isomeric ketone light petroleum lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitric nitric oxide nitrogen observed obtained oxide ozonolysis peroxide phenyl potassium prepared proton pyridine radicals reaction refluxed requires residue resonance room temperature salt sodium hydroxide sodium methoxide solid solution solvent spectra steric structure substituent sulphate Table ultraviolet values Vmax washed yield