Journal of the Chemical Society, Part 4The Society., 1949 |
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Results 1-3 of 84
Page 2469
... obtained for any member of this series by adding 1.6 to the apparent pH of a 50 % acetone solution . The pK , values obtained are listed in Table IV , together with those obtained by other workers , for comparison . Some PK found by ...
... obtained for any member of this series by adding 1.6 to the apparent pH of a 50 % acetone solution . The pK , values obtained are listed in Table IV , together with those obtained by other workers , for comparison . Some PK found by ...
Page 2555
... obtained only from the Composite and isolated pure only by way of its acetate , whereas we have now obtained it pure direct from the material eluted from the column . In view of the isolation of 4 - taraxastanediol as a precursor of ...
... obtained only from the Composite and isolated pure only by way of its acetate , whereas we have now obtained it pure direct from the material eluted from the column . In view of the isolation of 4 - taraxastanediol as a precursor of ...
Page 2787
... obtained as a mixture of the free bases . By this technique the following secondary amines were obtained . ( a ) 3 : 5 - Dinitroethylaniline formed brilliant orange needles , m . p . 185-186 ° ( 56 % yield ) ( Found : C , 45-6 ; H , 4.2 ...
... obtained as a mixture of the free bases . By this technique the following secondary amines were obtained . ( a ) 3 : 5 - Dinitroethylaniline formed brilliant orange needles , m . p . 185-186 ° ( 56 % yield ) ( Found : C , 45-6 ; H , 4.2 ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals D.Sc decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphone sulphuric acid synthesis Table tube values washed yield