Journal of the Chemical SocietyThe Society., 1960 |
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Page 3029
... ethyl acetate ( 380 ml . ) absorbed ca. 2 mol . of hydrogen in 5 hr . The mixture was filtered and the filtrate and washings were shaken with aqueous sodium carbonate and water . Removal of solvent gave crystals ( 2 · 13 g . ) , m . p ...
... ethyl acetate ( 380 ml . ) absorbed ca. 2 mol . of hydrogen in 5 hr . The mixture was filtered and the filtrate and washings were shaken with aqueous sodium carbonate and water . Removal of solvent gave crystals ( 2 · 13 g . ) , m . p ...
Page 3030
... ethyl acetate - light petroleum ( b . p . 60-80 ° ) yielded prisms , m . p . 156-159 ° , identical with the above ketone ( VI ) ( mixed m . p . and infrared spectrum ) . Fraction ( ii ) crystallised from ether - light petroleum ( b . p ...
... ethyl acetate - light petroleum ( b . p . 60-80 ° ) yielded prisms , m . p . 156-159 ° , identical with the above ketone ( VI ) ( mixed m . p . and infrared spectrum ) . Fraction ( ii ) crystallised from ether - light petroleum ( b . p ...
Page 3032
... ethyl acetate ( 50 ml . ) at — 70 ° during 15 min . The ethyl acetate was removed in vacuo at room temperature and the resultant foam left under water ( 50 ml . ) until it gave a negative starch - iodide test ( ca. 70 hr . ) . The ...
... ethyl acetate ( 50 ml . ) at — 70 ° during 15 min . The ethyl acetate was removed in vacuo at room temperature and the resultant foam left under water ( 50 ml . ) until it gave a negative starch - iodide test ( ca. 70 hr . ) . The ...
Contents
569 | 2814 |
Muscarufin | 2833 |
Synthetical studies of terpenoids Part V A new synthesis of 6ẞacetoxy | 2842 |
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1-oxide absorption acetic acid acetic anhydride acetone acetyl added alcohol alkaline alumina Amer anhydride aniline aqueous ethanol aromatic atom band benzene boiling bond boron boron trichloride bromide Calc carbonyl catalyst CH₂ Chem chloride chloroform chromatography cm.¹ complex compounds concentrated constant cooled decomp derivative dilute dimethyl dioxide dissolved distilled dried Elution ester ethanol ethyl acetate evaporated filtered filtrate formed Found fraction gave gibberellic give hydrochloric acid hydrogen bromide hydrogen chloride hydrolysis infrared spectrum isolated ketone light petroleum b. p. lithium lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecular molecule needles obtained oxidation peroxide potassium potassium hydroxide precipitate prepared prisms pyridine reaction reagent requires residue ring room temperature sodium hydroxide solid solution solvent spectra stirred substituent sulphuric acid Table ultraviolet values washed yellow yield