Journal of the Chemical SocietyThe Society., 1949 |
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Results 1-3 of 77
Page 1018
... derivative of p - phenanthroline of the type ( IV ) . Such a p - phenanthroline derivative may be regarded as formed by the fusion of a pyridine ring to chloroquine ; thus ( IV ) bears much the same relation to chloroquine as the active ...
... derivative of p - phenanthroline of the type ( IV ) . Such a p - phenanthroline derivative may be regarded as formed by the fusion of a pyridine ring to chloroquine ; thus ( IV ) bears much the same relation to chloroquine as the active ...
Page 1235
... derivative of D - arabinose to yield a corresponding 2 - iodo derivative , this , on reduction , would lead to the formation of 2 - deoxy - D - ribose . For this reason we have studied the methanesulphonyl derivatives of D - arabinose ...
... derivative of D - arabinose to yield a corresponding 2 - iodo derivative , this , on reduction , would lead to the formation of 2 - deoxy - D - ribose . For this reason we have studied the methanesulphonyl derivatives of D - arabinose ...
Page 1573
... derivative serves to reinforce the arguments advanced for the structure of santal : ( a ) 5 - methoxy - 7 : 3 ′ : 4′- triethoxyisoflavone from 2 - hydroxy - 6 - methoxy - 4 : 3 ′ : 4 ' - triethoxydeoxybenzoin obtained by the partial ...
... derivative serves to reinforce the arguments advanced for the structure of santal : ( a ) 5 - methoxy - 7 : 3 ′ : 4′- triethoxyisoflavone from 2 - hydroxy - 6 - methoxy - 4 : 3 ′ : 4 ' - triethoxydeoxybenzoin obtained by the partial ...
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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