Journal of the Chemical SocietyThe Society., 1960 |
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Page 3276
... evaporated under reduced pressure . The residue was twice evaporated with a mixture of chloroform ( 20 c.c. ) and toluene ( 5 c.c. ) , and the product finally left at 50 ° / 0.1 mm . for 1 hr . The brownish resin ( 4 · 3 g . ) so ...
... evaporated under reduced pressure . The residue was twice evaporated with a mixture of chloroform ( 20 c.c. ) and toluene ( 5 c.c. ) , and the product finally left at 50 ° / 0.1 mm . for 1 hr . The brownish resin ( 4 · 3 g . ) so ...
Page 3478
... evaporated to dryness . After the residue had been heated at 110 ° / 2 mm . for 2 hr . , the ether - soluble products were extracted as before and combined with the ether solution from the first treatment , and the ether was evaporated ...
... evaporated to dryness . After the residue had been heated at 110 ° / 2 mm . for 2 hr . , the ether - soluble products were extracted as before and combined with the ether solution from the first treatment , and the ether was evaporated ...
Page 3702
... evaporated . The residue was dissolved in ethyl acetate , washed with N - sodium hydroxide , followed by water , dried ( Na2SO1 ) , and recovered as a solid ( 30.5 mg . ) . Crystallisation from toluene ( 6 ml . ) furnished a solid ...
... evaporated . The residue was dissolved in ethyl acetate , washed with N - sodium hydroxide , followed by water , dried ( Na2SO1 ) , and recovered as a solid ( 30.5 mg . ) . Crystallisation from toluene ( 6 ml . ) furnished a solid ...
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