Journal of the Chemical SocietyThe Society., 1952 |
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Page 1290
... acid ( 20 c.c. ) . Sodium nitrite ( 1.0 g . ) in a small amount of water was ... concentrated hydrochloric acid ( 35 c.c. ) was cooled and , after addition ... Sulphuric Acid and Coupling with B - Naphthol . - Finely powdered 1 ...
... acid ( 20 c.c. ) . Sodium nitrite ( 1.0 g . ) in a small amount of water was ... concentrated hydrochloric acid ( 35 c.c. ) was cooled and , after addition ... Sulphuric Acid and Coupling with B - Naphthol . - Finely powdered 1 ...
Page 1291
... nitrosylsulphuric acid ( 1 g . of sodium nitrite in 25 c.c. of concentrated sulphuric acid ) . After 30 minutes at 0 ° , the solution was dropped into ẞ - naphthol ( 10 g . ) , sodium hydroxide ( 3 g . ) , and sodium carbonate ( 100 g ...
... nitrosylsulphuric acid ( 1 g . of sodium nitrite in 25 c.c. of concentrated sulphuric acid ) . After 30 minutes at 0 ° , the solution was dropped into ẞ - naphthol ( 10 g . ) , sodium hydroxide ( 3 g . ) , and sodium carbonate ( 100 g ...
Page 1436
... concentrated sulphuric acid . An alcoholic solution gave a reddish - violet colour when treated with alcoholic ferric chloride at 60 ° . The product was boiled with pyridine for a few minutes and then poured into cold water and ...
... concentrated sulphuric acid . An alcoholic solution gave a reddish - violet colour when treated with alcoholic ferric chloride at 60 ° . The product was boiled with pyridine for a few minutes and then poured into cold water and ...
Contents
244 | 1196 |
219 | 1216 |
The Polymerizability of Methyl atert Butylacrylate | 1220 |
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4-thionflavone 5-triazine absorption acetic anhydride acetone added alcohol alkaline Amer aqueous sodium atom benzene benzylamine boiling bromide Calc carbon CH₂ Chem chloride chloroform colour colourless compound concentrated sulphuric acid condensation cooled crystals D.Sc decomp decomposition derivatives dilute dioxide diphenyl dissolved distilled dried ester ethanol ether ethyl alcohol ethyl nitrate evaporated extracted filtered filtrate flavone fluorination formation formed Found fraction gave give m. p. heated under reflux hexamine hydrochloric acid hydrolysis hydroxyl insoluble iodide ionisation isolated ketone lactone light petroleum b. p. m. p. and mixed methiodide method methyl minutes mixed m. p. molecule needles niobium nitrate nitrobenzene obtained olefin oxidation picrate potassium hydroxide precipitate prepared prisms pyridine requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent solvolysis sorbitol sulphate sulphuric acid tetrabenzyl pyrophosphate values washed yellow yield