Quarterly Journal of the Chemical Society of London, Part 3 |
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Results 1-3 of 74
Page 2828
... reduced pressure . The residue of 1 - acetyl derivative ( 1 · 2 g . , 39 % ) crystallised from ethanol in prisms , m . p . 226-227 ° ( Found : C , 61-8 ; H , 4-5 ; N , 11-2 ; Cl , 10-1 . C19H18O , N , Cl requires C , 61-7 ; H , 4-4 ; N ...
... reduced pressure . The residue of 1 - acetyl derivative ( 1 · 2 g . , 39 % ) crystallised from ethanol in prisms , m . p . 226-227 ° ( Found : C , 61-8 ; H , 4-5 ; N , 11-2 ; Cl , 10-1 . C19H18O , N , Cl requires C , 61-7 ; H , 4-4 ; N ...
Page 2868
... reduced pressure , and traces of acetic anhydride were removed by adding , and evaporating under reduced pressure , two 10 ml . portions of xylene . The residual solid , crystallised from benzene - light petroleum ( b . p . 40-60 ...
... reduced pressure , and traces of acetic anhydride were removed by adding , and evaporating under reduced pressure , two 10 ml . portions of xylene . The residual solid , crystallised from benzene - light petroleum ( b . p . 40-60 ...
Page 2904
... reduced at palladised charcoal in ethyl acetate to the same mixed product ( i.e. , VIII , IX ) as was obtained in alcohol . The hydrogenation of benzylidene- acetone was accelerated by addition of acid . These observations are most ...
... reduced at palladised charcoal in ethyl acetate to the same mixed product ( i.e. , VIII , IX ) as was obtained in alcohol . The hydrogenation of benzylidene- acetone was accelerated by addition of acid . These observations are most ...
Contents
ABEL E W Bennett M A and Wilkinson G | 2323 |
Bourne E J Hartigan J and Weigel H | 2332 |
Clark E R | 2344 |
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1,3,5-trinitrobenzene absorption acetic acid acetic anhydride acetone added alcohol alkaline alkyl Amer amine ammonia anhydride atom benzene boiling bond bromide Calc carbon Chem chloride chloroform chromatography complex compound concentration constant cooled crystallised crystals curve decomp derivatives diethylamine dilute dimer dioxan dioxide dissolved distilled dried eluted ester ethanol evaporated filtered filtrate formation formed Found fraction gave give glycollic acid glyoxylic acid heated hydride hydrochloric acid hydrolysis hydroxide infrared infrared spectrum iodide isolated isomer K₁ light petroleum b. p. lithium lithium aluminium hydride m. p. and mixed methyl methyl iodide mixed m. p. mixture mole molecular molecule nitrogen obtained oxidation oxygen perchlorate picrate polymer potassium precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid solvent spectra stirred structure sulphuric acid Table titration ultraviolet values washed yield