Quarterly Journal of the Chemical Society of London, Part 4, Pages 3513-4668 |
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Page 3780
... isomeric dibromides was recrystallised from much aqueous ethanol ( 1 : 9 , v / v ) , giving needles , m . p . 345–346 ° , of the dihydrated isomer ( Found : C , 55 · 1 ; H , 5.8 . C30H32Bг2P2,2H2O requires C , 55.3 ; H , 5.6 % ) , which ...
... isomeric dibromides was recrystallised from much aqueous ethanol ( 1 : 9 , v / v ) , giving needles , m . p . 345–346 ° , of the dihydrated isomer ( Found : C , 55 · 1 ; H , 5.8 . C30H32Bг2P2,2H2O requires C , 55.3 ; H , 5.6 % ) , which ...
Page 4281
... isomeric forms of the oxime ( IVa ) and the diamine ( Va ) but fractional crystallisation of the corresponding hydrochlorides failed to reveal a second isomer in either case . The indistinct melting behaviour of the diamine ( Va ) ...
... isomeric forms of the oxime ( IVa ) and the diamine ( Va ) but fractional crystallisation of the corresponding hydrochlorides failed to reveal a second isomer in either case . The indistinct melting behaviour of the diamine ( Va ) ...
Page 4561
... isomer ( I ; R = F ) could not be obtained by a Schiemann reaction on the l - amino - compound , but was made in higher yield than reported 2 by replacement of the halogen in the 1 - chloro - isomer with potassium fluoride in dimethyl ...
... isomer ( I ; R = F ) could not be obtained by a Schiemann reaction on the l - amino - compound , but was made in higher yield than reported 2 by replacement of the halogen in the 1 - chloro - isomer with potassium fluoride in dimethyl ...
Contents
NO PAGE | 3528 |
The adsorption of stearic acid from solution by oxide adsorbents | 3535 |
The effect of pressure of the electrical conductivity of aqueous mixed electrolyte | 3548 |
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absorption acetic acid acetic anhydride acetone acetyl added alcohol alkaline aluminium Amer amine atoms band benzene benzyl boiling bond bromide Calc carbon cations CH₂ chabazite Chem chloride chloroform chromatography cm.¹ colistin compounds concentration constant crystallised crystals decomp derivatives dilute dimethyl dimethylformamide dioxan dissolved distilled dried ester ethanol ether ethyl acetate evaporated extracted filtrate formation formed Found fraction gave give heated hydrochloric acid hydrochloride hydrogen hydrolysis iodide isomer ketone lithium lithium aluminium hydride m. p. and mixed mixed m. p. mixture mole molecules needles nitrate nitric acid nitrogen o-xylene obtained optical oxide oxygen phenyl phosphine picrate polymyxin potassium precipitate prepared prisms proton pyridine reaction recrystallised reduced refluxed requires residue resonance room temperature salt sodium hydroxide solution solvent spectra stirred structure substitution sulphone sulphuric acid Table tetrahydrofuran values washed yellow yield