Quarterly Journal of the Chemical Society of London, Part 4, Pages 3513-4668 |
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Page 3779
... cooled to ca. -35 ° . After 24 hr . , the almost black solution was cooled to ca. – 65 ° and treated dropwise with ethylphosphonous dichloride ( 33.8 g . , 1 mol . ) in tetrahydrofuran ( 60 ml . ) , the colour of the mixture fading ...
... cooled to ca. -35 ° . After 24 hr . , the almost black solution was cooled to ca. – 65 ° and treated dropwise with ethylphosphonous dichloride ( 33.8 g . , 1 mol . ) in tetrahydrofuran ( 60 ml . ) , the colour of the mixture fading ...
Page 4041
... cooled , and diluted with water ( 15 c.c. ) . Fractional sublimation of the . ethyl acetate - soluble material at 40-60 ° / 5 × 10-4 mm . gave indole ( 76 mg . ) , m . p . and mixed p . 49-50 ° . m . ( c ) Cinnoline - 4 - carboxylic ...
... cooled , and diluted with water ( 15 c.c. ) . Fractional sublimation of the . ethyl acetate - soluble material at 40-60 ° / 5 × 10-4 mm . gave indole ( 76 mg . ) , m . p . and mixed p . 49-50 ° . m . ( c ) Cinnoline - 4 - carboxylic ...
Page 4539
... cooled to room temperature and any gas pressure remaining was released through a system of traps cooled in liquid air . The traps were allowed to warm slowly to room temperature and their residual contents were combined with the ...
... cooled to room temperature and any gas pressure remaining was released through a system of traps cooled in liquid air . The traps were allowed to warm slowly to room temperature and their residual contents were combined with the ...
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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Common terms and phrases
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