Journal of the Chemical Society, Part 1The Society., 1947 |
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Page 46
... refluxed for 5 hours and cooled , the precipitate collected , and the filtrate evaporated to dryness . The combined solids were dissolved in warm water , filtered , cooled , and acidified with acetic acid . The precipitate , m . p . 247 ...
... refluxed for 5 hours and cooled , the precipitate collected , and the filtrate evaporated to dryness . The combined solids were dissolved in warm water , filtered , cooled , and acidified with acetic acid . The precipitate , m . p . 247 ...
Page 235
... refluxed in dry benzene ( 600 c.c. ) for one hour . Solvent and phosphorus oxychloride were removed under reduced pressure and the resultant solid was immediately redissolved in dry , slightly warm benzene ( 900 c.c. ) . This clear ...
... refluxed in dry benzene ( 600 c.c. ) for one hour . Solvent and phosphorus oxychloride were removed under reduced pressure and the resultant solid was immediately redissolved in dry , slightly warm benzene ( 900 c.c. ) . This clear ...
Page 537
... refluxed for 8 hours . More acid ( 25 c.c. ) and amalgamated zinc ( 25 g . ) were then added and the mixture was refluxed for a further 16 hours . On cooling , the required acid separated as a cake on the surface . It was collected ...
... refluxed for 8 hours . More acid ( 25 c.c. ) and amalgamated zinc ( 25 g . ) were then added and the mixture was refluxed for a further 16 hours . On cooling , the required acid separated as a cake on the surface . It was collected ...
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Common terms and phrases
acetic anhydride acetone acetyl added alkaline Amer amidine amine ammonia ammonium aqueous sodium atoms benzene boiling bromide Calc CH₂ charcoal Chem chloroform colourless needles compound concentrated hydrochloric acid cooled crystallised crystallised from alcohol crystals cyanide D.Sc decomp derivative diazotised dilute dissolved distilled dried ester experimental extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated light petroleum m. p. and mixed methanol Methiodide method methyl alcohol minutes mixed m. p. molecular molecule nitration nitric acid obtained oxidation pale yellow petroleum b. p. phenyl picrate polymer polymerisation potassium precipitate prepared prisms pyridine reduced pressure refluxed removed requires residue room temperature salt separated sodium carbonate sodium hydroxide sodium nitrite solid soluble solvent stirred structure substance sulphate sulphide sulphone sulphuric acid washed yellow needles yield