Journal of the Chemical SocietyThe Society., 1960 |
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Page 2934
... room temperature and kept for 16 hr . under anhydrous conditions . Substances which were insoluble in dichloromethane initially frequently became soluble as the mixture attained room temperature . Any solvent or boron trichloride ...
... room temperature and kept for 16 hr . under anhydrous conditions . Substances which were insoluble in dichloromethane initially frequently became soluble as the mixture attained room temperature . Any solvent or boron trichloride ...
Page 3337
... temperature rose gradually from 54 ° to 70 ° . After being left overnight at room temperature , the mixture was worked up as in ( a ) , to give 0.89 g . of crude diol . Acetyl- ation and crystallisation from acetone gave the monoacetate ...
... temperature rose gradually from 54 ° to 70 ° . After being left overnight at room temperature , the mixture was worked up as in ( a ) , to give 0.89 g . of crude diol . Acetyl- ation and crystallisation from acetone gave the monoacetate ...
Page 3338
... room temperature . The product , worked up in the usual way , was a gum ( 0.24 g . ) , whose infrared spectrum indicated about 25 % of unchanged 11 - ketone . The material was acetylated at room temperature to give a gum , which ...
... room temperature . The product , worked up in the usual way , was a gum ( 0.24 g . ) , whose infrared spectrum indicated about 25 % of unchanged 11 - ketone . The material was acetylated at room temperature to give a gum , which ...
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