Journal of the Chemical SocietyThe Society., 1949 |
From inside the book
Results 1-3 of 80
Page 1294
... amines obeys a separate equation , as follows : Tertiary amine Secondary amine Primary amine Ke Ke 3.8 x 10-5 ( 1 / KH ) 0 · 64 Ko = 1.1 x 10-5 ( 1 / KH ) 0-64 4.1 x 10 ( 1 / K¤ ) ° 0.64 where K is the catalytic coefficient expressed in ...
... amines obeys a separate equation , as follows : Tertiary amine Secondary amine Primary amine Ke Ke 3.8 x 10-5 ( 1 / KH ) 0 · 64 Ko = 1.1 x 10-5 ( 1 / KH ) 0-64 4.1 x 10 ( 1 / K¤ ) ° 0.64 where K is the catalytic coefficient expressed in ...
Page 1295
... amine and the amine ion will be solvated to some extent , but the hydrogen bonding between the amine ion and the water will probably be much stronger , as suggested by Huggins ( J. Org . Chem . , 1936 , 1 , 407 ) and Pauling ( “ Nature ...
... amine and the amine ion will be solvated to some extent , but the hydrogen bonding between the amine ion and the water will probably be much stronger , as suggested by Huggins ( J. Org . Chem . , 1936 , 1 , 407 ) and Pauling ( “ Nature ...
Page 1296
... amine ion will therefore involve a negative entropy change corresponding to a transition to a state of greater order . The less the amine ion is hydrogen bonded the greater will be the negative entropy change of ionisation . As the ...
... amine ion will therefore involve a negative entropy change corresponding to a transition to a state of greater order . The less the amine ion is hydrogen bonded the greater will be the negative entropy change of ionisation . As the ...
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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 bromine Calc carbon catalyst CH₂ Chem chloroform citrinin colourless needles compound condensation containing 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