Journal of the Chemical Society, Part 4Chemical Society., 1962 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 4393
... evaporated in vacuo . The residue was extracted with boiling ethanol , and the extracts were evaporated . The residue was heated under reflux for 30 min . with concentrated hydrochloric acid ( to hydrolyse traces of ethyl ester formed ...
... evaporated in vacuo . The residue was extracted with boiling ethanol , and the extracts were evaporated . The residue was heated under reflux for 30 min . with concentrated hydrochloric acid ( to hydrolyse traces of ethyl ester formed ...
Page 4395
... evaporated to dryness in vacuo . Hydrogen sulphide was bubbled through a solution of the residue in warm water until precipitation of stannic sulphide was complete . Evaporation in vacuo of the filtered solution left a colourless ...
... evaporated to dryness in vacuo . Hydrogen sulphide was bubbled through a solution of the residue in warm water until precipitation of stannic sulphide was complete . Evaporation in vacuo of the filtered solution left a colourless ...
Page 4428
... evaporated . The residue of 1 - benzoyl derivative , when recrystallized from ethanol , had m . p . 98 ° ( 115 g ... evaporated to dryness . The residue ( 3 g . ) was treated in methanol with 20 % aqueous sodium hydroxide ( 0.2 c.c. ) ...
... evaporated . The residue of 1 - benzoyl derivative , when recrystallized from ethanol , had m . p . 98 ° ( 115 g ... evaporated to dryness . The residue ( 3 g . ) was treated in methanol with 20 % aqueous sodium hydroxide ( 0.2 c.c. ) ...
Contents
Organic | 4261 |
NO PAGE | 4265 |
The synthesis of polycyclic aromatic hydrocarbons Part II Optical rotatory | 4268 |
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absorption acetic acid acetic anhydride acetone acetylacetone alcohol Amer anhydride aqueous atom b₁ band benzene bond bromide Calc carbon tetrachloride carbonyl CH₂ Chem chloroform chromatography cm.¹ CO₂H complex compound concentration constant cooled Cotton effect crystallised decomp derivative diethyl dilute dioxan distilled dried electron ester ethanol ether ethyl acetate ethylene evaporated experimental extracted filtered filtrate formed Found fraction gave give heated hydrochloric hydrogen chloride hydrolysis hydroxide infrared infrared spectrum k₁ ketone lactone ligand light petroleum b. p. measured methyl mixed m. p. mixture mmoles mole molecular molecule molybdenum needles nitrate nitrogen obtained oxidation peroxide phenyl polymer potassium precipitate prepared protons pyridine radicals reaction reduced refluxed requires residue resonance room temperature salt sample sodium sodium hydroxide solid solution solvent spectra steric structure substitution sulphide sulphuric acid t-butyl Table values washed yellow yield