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Page 2017
... aqueous sodium carbonate or hydroxide and slowly in aqueous 2N - sodium hydrogen carbonate . Treatment of the compound ( 50 mg . ) with concentrated sulphuric acid ( 5 ml . ) at room temperature for 24 hours followed by the addition of ...
... aqueous sodium carbonate or hydroxide and slowly in aqueous 2N - sodium hydrogen carbonate . Treatment of the compound ( 50 mg . ) with concentrated sulphuric acid ( 5 ml . ) at room temperature for 24 hours followed by the addition of ...
Page 2175
... sodium carbonate to neutrality ; finally the suspension was extracted by means of ether . The evaporated extract afforded a brown solid ( 0-7 g . ) , and this was extracted by hot 5 % aqueous sodium carbonate , and the residue ...
... sodium carbonate to neutrality ; finally the suspension was extracted by means of ether . The evaporated extract afforded a brown solid ( 0-7 g . ) , and this was extracted by hot 5 % aqueous sodium carbonate , and the residue ...
Page 2242
... aqueous sodium hydroxide ( 5 % ) , and the aqueous layer was run , as quickly as possible , into dilute hydrochloric acid . A crystalline precipitate separated , and recrystallisation of this from alcohol afforded B- ( 4 - benzoyl - 3 ...
... aqueous sodium hydroxide ( 5 % ) , and the aqueous layer was run , as quickly as possible , into dilute hydrochloric acid . A crystalline precipitate separated , and recrystallisation of this from alcohol afforded B- ( 4 - benzoyl - 3 ...
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