Journal of the Chemical SocietyThe Society., 1953 |
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Page 149
... washed with a small amount of absolute methanol . These washings and the original mother- liquor were mixed and retained ( solution A ) , and the precipitate was further washed three times with 15 ml . of water on the centrifuge , the ...
... washed with a small amount of absolute methanol . These washings and the original mother- liquor were mixed and retained ( solution A ) , and the precipitate was further washed three times with 15 ml . of water on the centrifuge , the ...
Page 818
... washed and dried extract was evaporated to dryness . Crystallisation of the oily residue from light petroleum ( b . p . 60—80 ° ) gave the quinol ( II ) as colourless prisms , m . p . 84 ° ( 1.5 g . ) . The mother - liquor gradually ...
... washed and dried extract was evaporated to dryness . Crystallisation of the oily residue from light petroleum ( b . p . 60—80 ° ) gave the quinol ( II ) as colourless prisms , m . p . 84 ° ( 1.5 g . ) . The mother - liquor gradually ...
Page 835
... washed with nitromethane and water , dried at 100 ° , and then extracted with cold chloroform ( total 90 c.c. ) . The residual silver chloride weighed 2.8 g . ( 98 % ) . The chloroform extracts were treated with charcoal and filtered ...
... washed with nitromethane and water , dried at 100 ° , and then extracted with cold chloroform ( total 90 c.c. ) . The residual silver chloride weighed 2.8 g . ( 98 % ) . The chloroform extracts were treated with charcoal and filtered ...
Contents
Internuclear Cyclisation Part VII The Synthesis of Some NitroNmethyl | 1 |
Synthesis of Polymethylnaphthalenes | 8 |
Kestose a Trisaccharide formed from Sucrose by Yeast Invertase | 24 |
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absorption acetic acid acetic anhydride acetone acetyl acidified added alcohol alkaline aluminium aluminium chloride Amer amine aqueous sodium atom benzene boiling bromine Calc carbon Chem Chim chloroform chromatographed colourless compound concentrated cooled crystallised crystals D.Sc decomp derivatives dilute dissolved distilled dried elution equiv ester ethanol ethyl acetate ethylene evaporated extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrogen sulphate hydrolysis hydroxyl infra-red iodide isolated ketone light petroleum b. p. liquid lithium aluminium hydride m. p. and mixed method mixed m. p. mixture mole obtained oxidation oxidised pale yellow phosphorochloridate polyporenic potassium hydroxide precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid soluble solution solvent spectra sulphuric acid ultra-violet washed yellow needles yield