Journal of the Chemical SocietyThe Society., 1963 |
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Page 1455
... aqueous filtrate was concentrated , basified with aqueous potassium hydroxide , and extracted with ether . The ethereal solution was washed with water , dried ( Na2SO1 ) , and evaporated , and a solution of the residual mixture of bases ...
... aqueous filtrate was concentrated , basified with aqueous potassium hydroxide , and extracted with ether . The ethereal solution was washed with water , dried ( Na2SO1 ) , and evaporated , and a solution of the residual mixture of bases ...
Page 1486
... aqueous ammonia - 5N - aqueous ammonium carbonate ) ; EA solvent ( 90 : 5 : 5 v / v ethanol - 15N - aqueous ammonia - water ) ; Methyl Red spray phosphate- buffered at pH 7 ( mixture , 1 : 2 v / v , of 0.1 % ethanolic Methyl Red and ...
... aqueous ammonia - 5N - aqueous ammonium carbonate ) ; EA solvent ( 90 : 5 : 5 v / v ethanol - 15N - aqueous ammonia - water ) ; Methyl Red spray phosphate- buffered at pH 7 ( mixture , 1 : 2 v / v , of 0.1 % ethanolic Methyl Red and ...
Page 2267
... aqueous solution was neutral . Analysed , reagent - grade sodium cyanide and aqueous ammonia were used . Solutions were made up by weight just before each measurement . RESULTS Infrared Measurements of Disodium Tetracyanonickelate ( 11 ) ...
... aqueous solution was neutral . Analysed , reagent - grade sodium cyanide and aqueous ammonia were used . Solutions were made up by weight just before each measurement . RESULTS Infrared Measurements of Disodium Tetracyanonickelate ( 11 ) ...
Contents
263 | 1371 |
Glucosides and aglycones from canary scrophulariaceae Part VI Structure | 1401 |
299 | 1403 |
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absorption acetic acid acetone added alcohol alkaline alumina Amax Amer anhydride aqueous arabinose atomic orbitals bands benzene benzyl bond bromide Calc carbon tetrachloride carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ complex compounds concentrated cooled crystallised decomp derivative dilute distilled dried eluted ester ethanol ether ethyl acetate evaporated experimental extracted filtered fluorine Found fraction galactose gave ginkgetin give glycosides heated hydride hydrochloric hydrogen hydrolysis infrared spectrum iodide isolated isomer ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed magnetic methyl glycosides mixed m. p. mixture mole molecular molecule needles nitrogen obtained oxidation perchlorate peroxide phenol polymers polysaccharide potassium precipitate prepared protons pyridine reaction reduced refluxed requires residue room temperature saturated sodium hydroxide solution solvent solvolysis spectra structure sugars sulphuric Table triethyl phosphite values yellow yield