Journal of the Chemical SocietyThe Society., 1951 |
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Page 274
... chloroform ( 200 ml . ) was treated for 30 minutes at room temperature with a stream of dry hydrogen chloride . Removal of the solvent in vacuo and recrystallisation of the residue from chloroform - methanol yielded needles ( 160 mg ...
... chloroform ( 200 ml . ) was treated for 30 minutes at room temperature with a stream of dry hydrogen chloride . Removal of the solvent in vacuo and recrystallisation of the residue from chloroform - methanol yielded needles ( 160 mg ...
Page 288
Chemical Society (Great Britain). chloroform . The chloroform solution was washed with aqueous sodium hydrogen carbonate , dried , and evaporated to a glassy syrup ( 3.9 g . ) which was twice chromatographed on silica ( 4 x 25 cm . ) by ...
Chemical Society (Great Britain). chloroform . The chloroform solution was washed with aqueous sodium hydrogen carbonate , dried , and evaporated to a glassy syrup ( 3.9 g . ) which was twice chromatographed on silica ( 4 x 25 cm . ) by ...
Page 723
... chloroform , hot ethanol , and ether . The product had [ a ] 35 -12 ° ( c , 2.8 in water ) ( Found : SO ,, 0 · 83 ... chloroform ) . Viscosity Measurements . - The viscosities of the two foregoing acetyl derivatives in m - cresol at 20 ...
... chloroform , hot ethanol , and ether . The product had [ a ] 35 -12 ° ( c , 2.8 in water ) ( Found : SO ,, 0 · 83 ... chloroform ) . Viscosity Measurements . - The viscosities of the two foregoing acetyl derivatives in m - cresol at 20 ...
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