Journal of the Chemical SocietyThe Society., 1963 |
From inside the book
Results 1-3 of 73
Page 2661
... hydroxide . The insoluble base ( 39.5 g . ) , m . p . 105-111 ° , was removed , washed with water , and dried in vacuo . A sample of the base , thrice crystallised from ethanol containing a trace of sodium hydroxide , gave 2,7 ...
... hydroxide . The insoluble base ( 39.5 g . ) , m . p . 105-111 ° , was removed , washed with water , and dried in vacuo . A sample of the base , thrice crystallised from ethanol containing a trace of sodium hydroxide , gave 2,7 ...
Page 2914
... hydroxide ( 11.5 g . ) in water ( 50 c.c. ) . Chloroacetic acid ( 16.2 g . ) was added , and the mixture boiled under reflux for 4 hr . , with further addition of alkali at intervals to keep it alkaline . After cooling , the solution ...
... hydroxide ( 11.5 g . ) in water ( 50 c.c. ) . Chloroacetic acid ( 16.2 g . ) was added , and the mixture boiled under reflux for 4 hr . , with further addition of alkali at intervals to keep it alkaline . After cooling , the solution ...
Page 3310
... hydroxide solution and the barium sulphate coagulated by boiling and removed by centrifugation . Concentration of ... hydroxide ; 5м - sodium hydroxide ( 20 ml . , 0.1 mole ) was then added at such a rate ( 10 min . ) that the pH ...
... hydroxide solution and the barium sulphate coagulated by boiling and removed by centrifugation . Concentration of ... hydroxide ; 5м - sodium hydroxide ( 20 ml . , 0.1 mole ) was then added at such a rate ( 10 min . ) that the pH ...
Contents
Organic | 2567 |
Gibberellic acid Part XXIII Some perhydrofluoren8aylacetic acid lactones | 2590 |
Gibberellic acid Part XXV Some new reduction products of gibberellic acid | 2606 |
115 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl alumina Amer amine anhydride atom band benzene benzoate Calc carboxylate catalyst cation CH₂ Chem chloride chloroform chromatography cm.¹ complex compound concentration constant crystallised decomp decomposition derivative dibromide dilute dimethyl dioxan distilled dried eluted ester ethanol ethyl acetate evaporated experimental extracted with ether filtered filtrate flindissone formation Found fraction gave H₂O heated hydrochloric acid hydrogen bromide hydrogen chloride hydrogen peroxide hydrolysis hydroxide infrared infrared spectrum k₁ ketone kinetic lactone light petroleum liquid lithium aluminium hydride mixed m. p. mixture mole mµ ɛ needles nitrogen obtained optical oxidation oxygen petroleum b. p. phenol potassium prepared prisms proton pteridine pyridine pyrolysis reaction reagent refluxed requires residue resin room temperature salt scission sodium hydrogen carbonate sodium hydroxide solvent spectra structure Table thiolactone toluene-p-sulphonic ultraviolet values vinyl Vmax washed yield