Journal of the Chemical SocietyThe Society., 1947 |
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Page 972
... evaporated under reduced pressure . The residue was dissolved in water ( 35 c.c. ) , the solution thrice extracted with chloroform , and the aqueous phase evaporated under reduced pressure ( bath temp . 40 ° ) to a syrup , which was ...
... evaporated under reduced pressure . The residue was dissolved in water ( 35 c.c. ) , the solution thrice extracted with chloroform , and the aqueous phase evaporated under reduced pressure ( bath temp . 40 ° ) to a syrup , which was ...
Page 1057
... evaporated to dryness with the exclusion of carbon dioxide . The solid was powdered ( 120 mesh ) , and boiled with methyl iodide until it no longer gave an alkaline reaction to litmus paper . The methylated product was extracted ( as ...
... evaporated to dryness with the exclusion of carbon dioxide . The solid was powdered ( 120 mesh ) , and boiled with methyl iodide until it no longer gave an alkaline reaction to litmus paper . The methylated product was extracted ( as ...
Page 1612
... evaporated to dryness under reduced pressure , basified with concentrated aqueous ammonia , and re - evaporated . The residue was dissolved in warm water ( 20 c.c. ) , charcoaled , and diluted with ethanol ( 50 c.c. ) . Methionine ...
... evaporated to dryness under reduced pressure , basified with concentrated aqueous ammonia , and re - evaporated . The residue was dissolved in warm water ( 20 c.c. ) , charcoaled , and diluted with ethanol ( 50 c.c. ) . Methionine ...
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Common terms and phrases
absorption acetic acid acetone activity added alkali Amer amidine ammonia anhydride atoms band benzene boiling bromine Calc carbon carbon tetrachloride catalyst CH₂ Chem chemical chemistry chloroform compound concentrated condensation cooled crystallised crystals cyanide D.Sc decomp derivatives dilute dissolved distilled dried equiv ester evaporated experimental extracted with ether filtered filtrate formation formed Found fraction gave give H₂ heated hydrochloric acid hydrochloride hydrogen chloride hydrolysis iodide iodine isolated isotherm ketone l-arabinose lactone light petroleum b. p. liquid m. p. and mixed methanol method methyl alcohol mixed m. p. mixture molecular molecule nitration obtained oxide oxidised phenyl phosphoryl chloride picrate polymerisation potassium precipitated prepared Pu(IV pyridine reaction reduced pressure refluxed removed requires residue salt separated sodium hydroxide solid soluble solvent stirred structure sulphate sulphuric acid syrup vacuum vinyl acetate washed yellow yield