Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2762
... liquid was then allowed to distil off from the top of the condenser up to 105 ° ( total wt . of low - boiling liquid , 29 g . ) . This liquid was fractionated , with bromo- benzene as chaser , " to give methyl iodide ( 10-2 g . , 0-072 ...
... liquid was then allowed to distil off from the top of the condenser up to 105 ° ( total wt . of low - boiling liquid , 29 g . ) . This liquid was fractionated , with bromo- benzene as chaser , " to give methyl iodide ( 10-2 g . , 0-072 ...
Page 2763
... liquid was boiled under reflux for hour . Distillation gave ca. 2 · 5 g . of liquid , b . p . 245—255 ° ( probably impure s - dimethyltetra - n - propyldisiloxane ) . ( d ) Diisopropyldifluorosilane . Diisopropyldifluorosilane ( 8 g ...
... liquid was boiled under reflux for hour . Distillation gave ca. 2 · 5 g . of liquid , b . p . 245—255 ° ( probably impure s - dimethyltetra - n - propyldisiloxane ) . ( d ) Diisopropyldifluorosilane . Diisopropyldifluorosilane ( 8 g ...
Page 2863
... liquid were poured into A and frozen in liquid air , the apparatus being then evacuated . About 2 c.c. of liquid were distilled from A into D to remove volatile impurities , B was cooled in liquid nitrogen and the greater part of the ...
... liquid were poured into A and frozen in liquid air , the apparatus being then evacuated . About 2 c.c. of liquid were distilled from A into D to remove volatile impurities , B was cooled in liquid nitrogen and the greater part of the ...
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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