Journal of the Chemical Society, Part 2Chemical Society., 1949 |
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Page 775
... heated with ethylene chlorohydrin for several hours without an autoclave ... under reflux for 30 minutes , and filtered hot ; an oil separated , and on ... heated as above . The liquid was filtered hot and on cooling the urethane ...
... heated with ethylene chlorohydrin for several hours without an autoclave ... under reflux for 30 minutes , and filtered hot ; an oil separated , and on ... heated as above . The liquid was filtered hot and on cooling the urethane ...
Page 918
... under reflux , chloroacetyl chloride ( 33.8 g . , 0.2 mol . ) was added slowly , very little external cooling being necessary . When the addition was complete , the mixture was heated under reflux on the water - bath for 30 minutes ...
... under reflux , chloroacetyl chloride ( 33.8 g . , 0.2 mol . ) was added slowly , very little external cooling being necessary . When the addition was complete , the mixture was heated under reflux on the water - bath for 30 minutes ...
Page 1559
... heated under reflux for 12 hours . Difluorantheno ( 11 ′ : 12 ′ - 2 : 3 ) ( 11 " : 12 " -5 : 6 ) -p - benzo- quinone slowly formed and crystallised from o - dichlorobenzene in brown prisms , m . p . > 300 ° ( yield , 0.1 g . , 8 ...
... heated under reflux for 12 hours . Difluorantheno ( 11 ′ : 12 ′ - 2 : 3 ) ( 11 " : 12 " -5 : 6 ) -p - benzo- quinone slowly formed and crystallised from o - dichlorobenzene in brown prisms , m . p . > 300 ° ( yield , 0.1 g . , 8 ...
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4-dinitrophenylhydrazone absorption acetic anhydride acetone acetyl acidified added aldehyde alkaline aluminium chloride Amer amine ammonia aniline aqueous sodium atom benzene boiling bond bromine Calc carbon catalyst CH₂ Chem chloroform citrinin colourless needles compound condensation cooled crystallised crystallised from alcohol crystals cyanide cyclisation decomp derivative dilute dissolved distilled dried electrode ester evaporated extracted with ether filtered filtrate formed colourless Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone lactone light petroleum b. p. m. p. and mixed methanol method methyl alcohol minutes mixed m. p. mixture molecule obtained oxide phenol phosphoric picrate potassium hydroxide precipitate prepared pyridine reaction reduced pressure requires residue resin room temperature salt separated sodium hydroxide solid soluble solution solvent specimen structure substance sulphuric acid triethylamine values washed yellow needles yield