Journal of the Chemical SocietyThe Society., 1964 |
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Page 4195
... residue , in methylene chloride , was washed with 2N - sodium hydroxide . Evaporation of the solvent and crystallisation of the residue from light petroleum ( b . p . 40—60 ° ) gave the dimethoxyquinolone ( 269 mg . , 81 % ) , m . p ...
... residue , in methylene chloride , was washed with 2N - sodium hydroxide . Evaporation of the solvent and crystallisation of the residue from light petroleum ( b . p . 40—60 ° ) gave the dimethoxyquinolone ( 269 mg . , 81 % ) , m . p ...
Page 4267
... residue from evaporation of the aqueous layer was dissolved in water ( 20 ml . ) and ozonised oxygen was passed through the solution for 0.5 hr . Further portions of formic acid and hydrogen peroxide ( 18 ml . ) were then added and ...
... residue from evaporation of the aqueous layer was dissolved in water ( 20 ml . ) and ozonised oxygen was passed through the solution for 0.5 hr . Further portions of formic acid and hydrogen peroxide ( 18 ml . ) were then added and ...
Page 4426
... residue which in methanol was passed over Amberlite IRA - 400 resin in the chloride phase . The percolate was evaporated and the residue was dissolved in N - hydrochloric acid , extracted with ether , basified , and again extracted with ...
... residue which in methanol was passed over Amberlite IRA - 400 resin in the chloride phase . The percolate was evaporated and the residue was dissolved in N - hydrochloric acid , extracted with ether , basified , and again extracted with ...
Contents
4028 | 3507 |
Nucleophilic reactivity Part V The reaction between amines and ethyl meth | 3513 |
Molecular polarisability Dipole moments molar Kerr constants and apparent | 3523 |
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetoxylation acetyl added alcohol alkaline alumina aluminium Amer amine atoms band benzene benzyl bond bromide Calc carbon carbonyl CH₂ chabazite Chem chloride chloroform chromatography cm.¹ compounds concentration crystals decomp derivatives diethyl diluted dimethylformamide diol dissolved distilled dried ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtrate formation Found fraction gave give heated hydrochloric acid hydrochloride hydrogen hydrolysis hydroxyl infrared iodide isomers K₁ ketone kinetic light petroleum lithium lithium aluminium hydride m. p. and mixed mixed m. p. mixture mole molecules needles nitrate nitric acid nitrogen o-xylene obtained optical oxide oxygen petroleum b. p. phenol picrate potassium precipitated prepared proton pyridine rate constants reaction recrystallised refluxed requires residue room temperature salt sodium hydroxide solvent spectra spectrum stirred structure substitution sulphuric acid Table values washed yield