Journal of the Chemical SocietyThe Society., 1947 |
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Page 927
... ether was evaporated . The residue solidified into crystals of ( IX ) , m . p . and mixed m . p . 98 ° . The base ... extracted with ether . The extract was dried ( Na , SO ) and the ether removed ; the base ( IX ) then crystallised . M ...
... ether was evaporated . The residue solidified into crystals of ( IX ) , m . p . and mixed m . p . 98 ° . The base ... extracted with ether . The extract was dried ( Na , SO ) and the ether removed ; the base ( IX ) then crystallised . M ...
Page 1165
... alcohol ( 50 c.c. ) . Methyl alcohol was removed , and the residue was dissolved in water , clarified with charcoal , and acidified with 20 % sulphuric acid . The solution was then saturated with ammonium sulphate and extracted with ether ...
... alcohol ( 50 c.c. ) . Methyl alcohol was removed , and the residue was dissolved in water , clarified with charcoal , and acidified with 20 % sulphuric acid . The solution was then saturated with ammonium sulphate and extracted with ether ...
Page 1480
... extracted with ether . Removal of the ether gave crude p - n - butylphenyl 2 - nitroethyl sulphide as a colourless syrup which on oxidation with hydrogen peroxide gave p - n - butylphenyl 2 - nitroethyl sulphone as colourless needles from ...
... extracted with ether . Removal of the ether gave crude p - n - butylphenyl 2 - nitroethyl sulphide as a colourless syrup which on oxidation with hydrogen peroxide gave p - n - butylphenyl 2 - nitroethyl sulphone as colourless needles from ...
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Common terms and phrases
absorption acetic acid acetone activity added addition 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 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