Journal of the Chemical Society, Part 1Chemical Society., 1949 |
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Page 30
... benzene and in di - n - butyl ether solutions . U ( unit = 2k - cals . ) . E1 E2 4 E3 Reactants in C.H .. Ph - NCO - ROH ( Ph - NCO - NEt3 ) Products complex . in BuaO . Kinetically , the catalysed reaction in benzene is of the same ...
... benzene and in di - n - butyl ether solutions . U ( unit = 2k - cals . ) . E1 E2 4 E3 Reactants in C.H .. Ph - NCO - ROH ( Ph - NCO - NEt3 ) Products complex . in BuaO . Kinetically , the catalysed reaction in benzene is of the same ...
Page 236
... benzene and on concentration of the benzene extract , yellow crystals of the anil were obtained ( m . p . 199 ° and mixed m . p . ) . ( b ) Similarly , 4- ( p - nitrophenyl ) -5- ( m - nitrophenyl ) -4 : 5 - dihydro - 1 : 24 - triazole ...
... benzene and on concentration of the benzene extract , yellow crystals of the anil were obtained ( m . p . 199 ° and mixed m . p . ) . ( b ) Similarly , 4- ( p - nitrophenyl ) -5- ( m - nitrophenyl ) -4 : 5 - dihydro - 1 : 24 - triazole ...
Page 386
... benzene ( 30 c.c. ) were added . The mixture was refluxed for 3 hours and set aside overnight , then decomposed with cold dilute hydrochloric acid and extracted with ether . The ethereal solution was dried and evaporated , and the ...
... benzene ( 30 c.c. ) were added . The mixture was refluxed for 3 hours and set aside overnight , then decomposed with cold dilute hydrochloric acid and extracted with ether . The ethereal solution was dried and evaporated , and the ...
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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