Journal of the Chemical Society, Part 1Chemical Society., 1949 |
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Page 285
... iodide . Trimethylsulphonium iodide is formed less easily from low - molecular ethylene sulphides than from higher ones . It is known that the iodine in higher aliphatic iodides is generally less reactive than in lower ones , and ...
... iodide . Trimethylsulphonium iodide is formed less easily from low - molecular ethylene sulphides than from higher ones . It is known that the iodine in higher aliphatic iodides is generally less reactive than in lower ones , and ...
Page 287
... iodide . Trimethylsulphonium iodide slowly crystallises from the reaction mixture and is obtained pure by the procedure above . The reaction occurs also at room temperature , but is much slower than that of cyclohexene sulphide ...
... iodide . Trimethylsulphonium iodide slowly crystallises from the reaction mixture and is obtained pure by the procedure above . The reaction occurs also at room temperature , but is much slower than that of cyclohexene sulphide ...
Page 325
... Iodide on the Bistoluene - p - sulphonates .— ( a ) The trans - bistoluene - p - sulphonate ( 2 g . ) , sodium iodide ( 2.6 g . ) , and acetone ( 30 c.c. ) were refluxed for 14 hours . After cooling , sodium toluene - p - sulphonate ( 1 ...
... Iodide on the Bistoluene - p - sulphonates .— ( a ) The trans - bistoluene - p - sulphonate ( 2 g . ) , sodium iodide ( 2.6 g . ) , and acetone ( 30 c.c. ) were refluxed for 14 hours . After cooling , sodium toluene - p - sulphonate ( 1 ...
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Common terms and phrases
absorption acetic anhydride acetone added addition alkaline aluminium aluminium chloride Amer ammonia anhydride atom benzene boiling bond bromide Calc carbon catalyst CH₂ Chem chloroform colourless needles compound concentration condensation cooled crystallised crystals curve cyanide decomp decomposition derivatives dilute dissolved distilled disulphide dried ester ethyl acetate ethyl alcohol ethylene evaporated extracted with ether filtered filtrate formed Found fraction gave give m. p. heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone kojic acid light petroleum b. p. m. p. and mixed methanol method mixed m. p. mixture molecule obtained oxide phenyl picrate potassium hydroxide precipitated prepared prisms pyridine reaction reagent reduced pressure refluxed removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure sulphate sulphide sulphone sulphuric acid thionyl chloride washed yellow yield