Quarterly Journal of the Chemical Society of London, Part 1, Pages 1-1200 |
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Page 57
... extracted with light petroleum ( b . p . 40—60 ° ; 3 × 500 ml . ) . Residual acetone was removed by evaporation and final ether - extraction ( 3 × 200 ml . ) . The aqueous solution was then extracted with butan - 1 - ol ( 10 x 20 ml ...
... extracted with light petroleum ( b . p . 40—60 ° ; 3 × 500 ml . ) . Residual acetone was removed by evaporation and final ether - extraction ( 3 × 200 ml . ) . The aqueous solution was then extracted with butan - 1 - ol ( 10 x 20 ml ...
Page 204
... extracted with chloroform . The product on evaporation of the chloroform and recrystallisation from methanol - water was 1 - isoquinolone ( 1 · 50 g . , 86 % ) , m . p . 208 ° ( lit. , 208-5-209 ° ) [ benzoate , m . p . 147 ° ( lit ...
... extracted with chloroform . The product on evaporation of the chloroform and recrystallisation from methanol - water was 1 - isoquinolone ( 1 · 50 g . , 86 % ) , m . p . 208 ° ( lit. , 208-5-209 ° ) [ benzoate , m . p . 147 ° ( lit ...
Page 863
... extracted with chloroform ( 3 × 5 c.c. ) . Evapor- ation of the aqueous solution at 20 ° in vacuo , finally at 0.03 mm . , left a syrup which was dissolved in tetrahydrofuran ; this solution was filtered and again evaporated in vacuo ...
... extracted with chloroform ( 3 × 5 c.c. ) . Evapor- ation of the aqueous solution at 20 ° in vacuo , finally at 0.03 mm . , left a syrup which was dissolved in tetrahydrofuran ; this solution was filtered and again evaporated in vacuo ...
Contents
Preparation and reactions of some oxoalkyliron complexes | 1 |
Developments in the theory of cationic polymerisation Part IV A general | 16 |
The lowfrequency infrared spectra of some complex halides of zinc cadmium | 26 |
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absorption acetic acid acetic anhydride alkaline aluminium aluminium chloride Amax Amer amine ammonia aqueous aromatic atom band benzene bond bromide Calc carbon CH₂ Chem chloride chloroform chromatography cm.¹ complex compound concentration coupling constants crystallised crystals decomp decomposition derivative dilute dimethyl dimethyl ether distilled dried Elution equation erythroaphins ester ethanol ether ethyl acetate evaporated EXPERIMENTAL extracted filtered fluoride formation Found fraction gave halides heated hydrochloric acid hydrogen hydrolysis infrared infrared spectra iodide K₁ ligand light petroleum lithium aluminium hydride log ɛ m. p. and mixed maltose method mixed m. p. mixture mole molecules nitrogen obtained oxidation oxygen phenyl picrate potassium precipitate prepared proton pyridine quinone reaction recrystallised refluxed requires residue resonance room temperature salt sample sodium hydroxide solution solvent spectrum structure substitution Table ultraviolet values washed yield