Journal of the Chemical SocietyThe Society., 1951 |
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Page 484
... cooled to 0 ° . The bisulphite complex was filtered off , washed with a little cold water , and dissolved in 2.5N - sodium carbonate ( 45 ml . ) . The yellow solution was taken to dryness at 40 ° under reduced pressure . The residue was ...
... cooled to 0 ° . The bisulphite complex was filtered off , washed with a little cold water , and dissolved in 2.5N - sodium carbonate ( 45 ml . ) . The yellow solution was taken to dryness at 40 ° under reduced pressure . The residue was ...
Page 754
... cooled and acidified , and the excess of p - chloronitrobenzene removed by steam - distillation . The residual oily suspension slowly crystallised to give the crude ester which formed pale - yellow plates ( 1.5 g . ) , m . p . 79-80 ...
... cooled and acidified , and the excess of p - chloronitrobenzene removed by steam - distillation . The residual oily suspension slowly crystallised to give the crude ester which formed pale - yellow plates ( 1.5 g . ) , m . p . 79-80 ...
Page 760
... cooled , and thiolacetic acid ( 22.5 g . ) added dropwise in a stream of nitrogen . The dark- brown product was heated on the water - bath for 4 hours , the solution evaporated to half - bulk and cooled , and the solid collected and ...
... cooled , and thiolacetic acid ( 22.5 g . ) added dropwise in a stream of nitrogen . The dark- brown product was heated on the water - bath for 4 hours , the solution evaporated to half - bulk and cooled , and the solid collected and ...
Contents
Synthesis of 8Substituted Pteridine Derivatives | 3 |
A Contribution to the Chemistry of the Sesquiterpene Humulene | 22 |
Studies in Coordination Chemistry Part VII Complexes of Univalent Copper | 38 |
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absorption acetic anhydride acetone acridine added alcohol alkaline Amer anhydride atoms benzene boiling bromine Calc carbinol carbon cations cell Chem chloroform colourless complex compound concentration constant crystallised crystals curve D.Sc decomp decomposition derivatives diamidide dilute dissolved distilled dried electrode equation ester ethanol ether ethyl alcohol evaporated EXPERIMENTAL extracted filtered formation formed Found fraction gave give m. p. glacial acetic acid Grignard reagent heated hydrochloric acid hydrogen chloride hydrogen phthalate hydrolysis iodide isolated ketone light petroleum b. p. m. p. and mixed method methyl minutes mixed m. p. mixture molecular molecules morolic needles obtained olefin oxidation peroxide phenyl phosphate phthalate potassium hydroxide precipitate prepared prisms pteridine pyridine reaction reduction refluxed requires residue room temperature salt saturated separated sodium hydroxide solid soluble solvent sulphate sulphuric acid Table titration trifluoroiodomethane values washed yellow yield