Journal of the Chemical Society, Part 4The Society., 1949 |
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Results 1-3 of 76
Page 2549
... alcohol . Heat was evolved and crystals separated immediately ; these were collected and the hydrazone , recrystallised from ethyl alcohol , formed colourless flakes , m . p . 190-191 ° ( 6 · 1 g . , 81 % ) ( Found : C , 58 · 1 ; H , 6 ...
... alcohol . Heat was evolved and crystals separated immediately ; these were collected and the hydrazone , recrystallised from ethyl alcohol , formed colourless flakes , m . p . 190-191 ° ( 6 · 1 g . , 81 % ) ( Found : C , 58 · 1 ; H , 6 ...
Page 2640
... alcohol diluted with s - tetrachloroethane ; the same phenomenon was observed although the reaction was slightly ... alcohol with silicon tetrachloride as described above . The fraction , b . p . 165–166 ° ( SiO , content ) 28.9 ...
... alcohol diluted with s - tetrachloroethane ; the same phenomenon was observed although the reaction was slightly ... alcohol with silicon tetrachloride as described above . The fraction , b . p . 165–166 ° ( SiO , content ) 28.9 ...
Page 2766
... alcohol yielded a crystalline solid which , after crystallisation from aqueous ethyl alcohol , had m . p . 218 ° and contained a trace of sulphur . Recrystallisation from the same solvent yielded fine white needles which did not contain ...
... alcohol yielded a crystalline solid which , after crystallisation from aqueous ethyl alcohol , had m . p . 218 ° and contained a trace of sulphur . Recrystallisation from the same solvent yielded fine white needles which did not contain ...
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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