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Page 2619
... aqueous methanol or 50 % aqueous pyridine . NN ' - Di- ( 4 - amino - 6 - quinolyl ) thiourea separated from these solvents in pale yellow needles , which decomposed at 200-202 ° and then melted at 220-235 ° ; the base was insoluble in ...
... aqueous methanol or 50 % aqueous pyridine . NN ' - Di- ( 4 - amino - 6 - quinolyl ) thiourea separated from these solvents in pale yellow needles , which decomposed at 200-202 ° and then melted at 220-235 ° ; the base was insoluble in ...
Page 3175
... Aqueous sodium metaperiodate solution ( 0.1N ; 26 c.c. ) was stirred with ether - light petroleum ( b . p . 40—60 ° ) ( 1 : 1 ; 30 c.c. ) in an atmosphere of nitrogen in a flask with a side - arm fused in at the level of the interface ...
... Aqueous sodium metaperiodate solution ( 0.1N ; 26 c.c. ) was stirred with ether - light petroleum ( b . p . 40—60 ° ) ( 1 : 1 ; 30 c.c. ) in an atmosphere of nitrogen in a flask with a side - arm fused in at the level of the interface ...
Page 3489
... aqueous dimedone solution , residual gaseous material B ( M , 112 ) returned to the vacuum system , and the solid product removed by filtration . Treatment of the diluted , filtered aqueous solution from the hydration with an aqueous ...
... aqueous dimedone solution , residual gaseous material B ( M , 112 ) returned to the vacuum system , and the solid product removed by filtration . Treatment of the diluted , filtered aqueous solution from the hydration with an aqueous ...
Contents
ONE HUNDRED AND ELEVENTH ANNUAL GENERAL MEETING | 2449 |
483 | 2465 |
Mechanism of Substitution at a Saturated Carbon Atom Part XXXIII Kinetic | 2488 |
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acetic acid acetone acetyl acetyl chloride added alcohol alum aluminium aluminium bromide Amer ammonia anhydride aqueous atom benzene benzyl boiling Calc carbon Chem Chemical Chemistry chloroform chromatography colourless compound concentrated condensation cooled crystallised crystals decomp derivative dilute dissolved distilled dried ester ethanol ether ethyl acetate ethylene evaporated excess extracted filtered filtrate formed Found fraction gave give heated hydrate hydrochloric acid hydrogen bromide hydrogen chloride hydrolysis iodide isolated ketone L-iditol Lecture light petroleum b. p. lignin lithium aluminium hydride m. p. and mixed material method methyl mixed m. p. mixture molecular molecules needles nitrate obtained oxide phase phosphate polymer potassium hydroxide precipitated prepared present Professor pyridine reaction reflux requires residue retinene room temperature salt sample separated sodium hydroxide solid solution solvent stirred structure Table trifluoroiodomethane vapour pressure vitamin washed yellow yield