Journal of the Chemical Society, Part 2Chemical Society., 1949 |
From inside the book
Results 1-3 of 81
Page 847
... benzene containing 15 % of ethanol in colourless needles , m . p . 255-256 ° , in agreement with Cook ( loc . cit . ) . 1 : 2 : 7 : 8 - Dibenzanthracene ( VI ; X = H ) .— The powdered acetate ( VI ; X = OAc ) ( 3-6 g . ) , suspended in ...
... benzene containing 15 % of ethanol in colourless needles , m . p . 255-256 ° , in agreement with Cook ( loc . cit . ) . 1 : 2 : 7 : 8 - Dibenzanthracene ( VI ; X = H ) .— The powdered acetate ( VI ; X = OAc ) ( 3-6 g . ) , suspended in ...
Page 893
... benzene solution of triphenylphosphine containing diphenyl disulphide is shaken with water , the latter turns acid . The stability of the disulphides listed in Table I towards triphenylphosphine in boiling benzene may be due to the fact ...
... benzene solution of triphenylphosphine containing diphenyl disulphide is shaken with water , the latter turns acid . The stability of the disulphides listed in Table I towards triphenylphosphine in boiling benzene may be due to the fact ...
Page 1034
... benzene solution obtained when the mixture regained room temperature was poured into a mixture of concentrated hydrochloric acid and crushed ice . The benzene layer was separated , the aqueous layer shaken with two further portions of ...
... benzene solution obtained when the mixture regained room temperature was poured into a mixture of concentrated hydrochloric acid and crushed ice . The benzene layer was separated , the aqueous layer shaken with two further portions of ...
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Common terms and phrases
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