Quarterly Journal of the Chemical Society of London |
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Page 3223
... filtered off , washed with water , and crystallised from ethanol as needles , m . p . 171-172 ° ( Found : C , 34-3 ; H , 3.1 . C , H , CINO , requires C , 34-1 ; H , 2.9 % ) . The filtrate was refluxed with an excess of 4N - ethanolic ...
... filtered off , washed with water , and crystallised from ethanol as needles , m . p . 171-172 ° ( Found : C , 34-3 ; H , 3.1 . C , H , CINO , requires C , 34-1 ; H , 2.9 % ) . The filtrate was refluxed with an excess of 4N - ethanolic ...
Page 3364
... filtered . The cake , washed with ethanol and dried at 20 ° , gave the quinazoline ( 85 % ) , m . p . 216 ° ( from water ) , soluble in pyridine trihydrate ( Found : C , 61.4 ; H , 4 · 6 ; N , 28.6 . C15H12NO requires C , 61-6 ; H ...
... filtered . The cake , washed with ethanol and dried at 20 ° , gave the quinazoline ( 85 % ) , m . p . 216 ° ( from water ) , soluble in pyridine trihydrate ( Found : C , 61.4 ; H , 4 · 6 ; N , 28.6 . C15H12NO requires C , 61-6 ; H ...
Page 3711
... filtered off and dissolved in the minimum amount of water . The solution was boiled for 5 min . ( charcoal ) and filtered before adding anhydrous potassium acetate ( 5 g . ) to the cooled filtrate . 5- ( 2 ' - Hydroxyethylamino ) ...
... filtered off and dissolved in the minimum amount of water . The solution was boiled for 5 min . ( charcoal ) and filtered before adding anhydrous potassium acetate ( 5 g . ) to the cooled filtrate . 5- ( 2 ' - Hydroxyethylamino ) ...
Contents
NO PAGE | 2842 |
Mechanism of benzidine and semidine rearrangements Part XV A collective | 2864 |
By DAVID PETERS | 2901 |
Copyright | |
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absorption acetic acid acetone added adduct alcohol alkyl Amax Amer anhydride aqueous aromatic atom atomic orbitals band benzene bond bromine Calc carbon carbonyl cation CH₂ Chem chloroform chromatography cm.¹ complex compound concentration constant crystallised cyclohexane decomp decomposition derivatives dilute dimethyl distilled dried effect electron ester ethanol ether evaporated extracted filtered filtrate formation formed Found fraction gave give heated hydride hydrogen hydrolysis hydroxide infrared infrared spectrum iodide ionisation energies isomer kinetic light petroleum b. p. lithium lithium aluminium hydride mechanism methyl mixed m. p. mixture mole molecular molecule nitric oxide nitrogen Nujol observed obtained oxidation perchlorate phenyl potassium prepared proton pyridine reaction rearrangement reduced refluxed requires residue room temperature salt sodium sodium hydroxide solid solution solvent spectra steric steric effect structure substitution sulphate Table thionyl chloride transition ultraviolet values Vmax yield