Journal of the Chemical Society, Part 4The Society., 1949 |
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Results 1-3 of 70
Page 2482
... filtered off ( addition of alcohol to the filtrate gave a precipitate of barium acetate ) and recrystallised from ... filtered off , dried , dissolved in chloroform , and filtered into light petroleum ( 400 c.c .; b . p . 60—80 ...
... filtered off ( addition of alcohol to the filtrate gave a precipitate of barium acetate ) and recrystallised from ... filtered off , dried , dissolved in chloroform , and filtered into light petroleum ( 400 c.c .; b . p . 60—80 ...
Page 2925
... filtered off , and the filtrate and washings were distilled on a water - bath to remove the ether . Distillation of the residue gave diethyl chlorophosphinate of b . p . 45-53 ° / 15 mm . ( 80.8 g . , 35.5 % ) ( Found : C , 31-2 ; H ...
... filtered off , and the filtrate and washings were distilled on a water - bath to remove the ether . Distillation of the residue gave diethyl chlorophosphinate of b . p . 45-53 ° / 15 mm . ( 80.8 g . , 35.5 % ) ( Found : C , 31-2 ; H ...
Page 2986
... filtered and washed with a small quantity of ether ; it had m . p . 141 ° ( Found : Pb , 45.2 % ) . Browne and Reid ( loc . cit . ) gave m . p . 135.5-138.5 ° . Triethyl - lead Propionate . - Propionic acid ( 0.74 c.c. ) and tetraethyl ...
... filtered and washed with a small quantity of ether ; it had m . p . 141 ° ( Found : Pb , 45.2 % ) . Browne and Reid ( loc . cit . ) gave m . p . 135.5-138.5 ° . Triethyl - lead Propionate . - Propionic acid ( 0.74 c.c. ) and tetraethyl ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals D.Sc decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphone sulphuric acid synthesis Table tube values washed yield