Quarterly Journal of the Chemical Society of London |
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Page 2424
... minutes , the crystalline product began to separate , and after 10 minutes , the solution was cooled and kept at 0 ° for 15 minutes ; the thiothiazolidone , which formed large , yellow - tinted needles ( 6.7 g . , 66 % ) , was collected ...
... minutes , the crystalline product began to separate , and after 10 minutes , the solution was cooled and kept at 0 ° for 15 minutes ; the thiothiazolidone , which formed large , yellow - tinted needles ( 6.7 g . , 66 % ) , was collected ...
Page 2549
... minutes ) to the trichloride ( 6 · 0 g . ) at −80 ° , and the mixture kept for 15 minutes with the cooling - bath removed . The residue ( 10-03 g .; loss in weight , 3.47 g . ) ( Found : Cl , 20-2 ; B , 5.9 % ) was probably mainly the ...
... minutes ) to the trichloride ( 6 · 0 g . ) at −80 ° , and the mixture kept for 15 minutes with the cooling - bath removed . The residue ( 10-03 g .; loss in weight , 3.47 g . ) ( Found : Cl , 20-2 ; B , 5.9 % ) was probably mainly the ...
Page 2607
... minutes . The colour changed from a pale to a deep emerald - green . Excess of 30 % perchloric acid ( 20 ml . ) was then added , a green precipitate being formed , which during about 10 minutes gradually darkened in colour . The ...
... minutes . The colour changed from a pale to a deep emerald - green . Excess of 30 % perchloric acid ( 20 ml . ) was then added , a green precipitate being formed , which during about 10 minutes gradually darkened in colour . The ...
Contents
Studies of the Localization Theory of Organic Reactions Part I The Effects | 1955 |
440 | 1971 |
The Probable Existence of Geometrically Isomeric Diazocarboxyamides | 1977 |
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Common terms and phrases
2-aminoanthraquinone 2'-dianthraquinonylamine absorption acetic acid acetic anhydride acetone acidification added addition alcohol aldehyde alkaline alumina Amer amine anhydride anthraquinone aqueous sodium atom autoxidation benzene blue boiling bond bromide brown Calc Chem cinnoline colour colourless needles compound concentrated sulphuric acid condensation cooled copper cordycepin crystallised D.Sc decomp decomposition derivative dilute dimethyl dioxan distilled dithionite dried ester evaporated filtered filtrate formation formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis indanthrone ketone light petroleum b. p. methanol methanolic potassium hydroxide method methyl minutes mixed m. p. mixture molecule nitrobenzene nitrogen obtained orange oxidation oxygen pale yellow phosphate potassium carbonate potassium hydroxide precipitate prepared prisms pyridine rearrangement requires residue room temperature salt separated sodium dithionite sodium hydroxide solid soluble solvent sulphuric acid titration trimethylgallium washed yellow needles yield