Quarterly Journal of the Chemical Society of London |
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Results 1-3 of 74
Page 3253
... distilled under reduced pressure to give 3 - chloro - 3 - methylbutyl acetate ( 5 · 9 g . , 9 % ) , b . p . 47—51 ° / 14 mm . , 18 1-4350 ( Found : C , 50-8 ; H , 8 · 5 ; Cl , 21-7 . C , H1CIO , requires C , 51.1 ; H , 8 · 0 ; Cl , 21.6 ...
... distilled under reduced pressure to give 3 - chloro - 3 - methylbutyl acetate ( 5 · 9 g . , 9 % ) , b . p . 47—51 ° / 14 mm . , 18 1-4350 ( Found : C , 50-8 ; H , 8 · 5 ; Cl , 21-7 . C , H1CIO , requires C , 51.1 ; H , 8 · 0 ; Cl , 21.6 ...
Page 3451
... distilled off through a Vigreux column and the residue neutralised with sodium hydrogen carbonate ( 5 g . ) , filtered , freed from solvents , and distilled at 30 mm . lactate ( 31-38 g . , 45-56 % ) boiled at 96-98 ° / 30 mm . It is ...
... distilled off through a Vigreux column and the residue neutralised with sodium hydrogen carbonate ( 5 g . ) , filtered , freed from solvents , and distilled at 30 mm . lactate ( 31-38 g . , 45-56 % ) boiled at 96-98 ° / 30 mm . It is ...
Page 3456
... distilled again . The acid ( 15 g . , 40 % ) had b . p . 120—125 ° / 0.5 mm . , Vmax . 3420 ( OH , broad ) , 1724 ( C = O ) , 1030 ( C - F ) cm . - 1 ( Found : C , 38-5 ; H , 5-0 . CHF2O , requires C , 38-9 ; H , 5 · 2 % ) . Bromination ...
... distilled again . The acid ( 15 g . , 40 % ) had b . p . 120—125 ° / 0.5 mm . , Vmax . 3420 ( OH , broad ) , 1724 ( C = O ) , 1030 ( C - F ) cm . - 1 ( Found : C , 38-5 ; H , 5-0 . CHF2O , requires C , 38-9 ; H , 5 · 2 % ) . Bromination ...
Contents
3082 | 2595 |
Interaction between selenium oxychloride and the trichlorides of boron | 2600 |
NO PAGE | 2601 |
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absorption acetic acid acetic anhydride acetone acetyl added alcohol alkali alumina Amer aqueous ation atom band benzene beryllium boiling bond bromide Calc carbon tetrachloride carbonyl Chem chloride chloroform chromatography cm.¹ colourless complexes compound concentrated cooled crystallised crystals cyclohexanone decomp decomposition derivative diethyl dilute dioxan dissolved distilled elution ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered filtrate formation Found fraction gave heated hydride hydrochloric acid hydrolysis infrared infrared spectrum iodide isolated isomers isorotenolone ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitrate nitric oxide nitrogen obtained peroxide phenyl phosphate potassium precipitate prepared pyridine quinazoline radicals reaction refluxed requires residue room temperature rotenone sample sodium hydroxide solid solution solvent spectra structure sulphate sulphuric acid Table ultraviolet values yellow yield