Quarterly Journal of the Chemical Society of London |
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Page 2344
... spectra of the 2- and 4 - monosubstituted pteridines , but not in the spectra of the 6- or 7 - substituted derivatives , except for 6- and 7 - dimethylaminopteridine , which absorb at 880 and 888 cm . - 1 respectively . 6- and 7 ...
... spectra of the 2- and 4 - monosubstituted pteridines , but not in the spectra of the 6- or 7 - substituted derivatives , except for 6- and 7 - dimethylaminopteridine , which absorb at 880 and 888 cm . - 1 respectively . 6- and 7 ...
Page 2430
... Spectra were measured after the materials had crystallised ; the same sample was then examined molten and again after recrystallisation . The last spectrum served to check decomposition or change of cell thickness . Oriented films were ...
... Spectra were measured after the materials had crystallised ; the same sample was then examined molten and again after recrystallisation . The last spectrum served to check decomposition or change of cell thickness . Oriented films were ...
Page 3270
... spectra of poly ( ethylene glycol ) in the molten and the crystalline state are reported ; crystalline samples oriented by rolling were examined with polarised radiation . The spectra indicate an essentially gauche configuration of the ...
... spectra of poly ( ethylene glycol ) in the molten and the crystalline state are reported ; crystalline samples oriented by rolling were examined with polarised radiation . The spectra indicate an essentially gauche configuration of the ...
Contents
2 4Trimethylpentane | 2082 |
Cinnolines Part XXXIV 5 6 and 7Hydroxy and 5 6 and 7Aminocinnolines | 2100 |
The Conductometric Evaluation of the Ionisation Functions of the Monohalogenoacetic | 2104 |
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absorption acetic anhydride acetone acetyl added alcohol alkaline Amer ammonia atom band benzene boiling bromine Calc carbon carbonyl Chem chloride chloroform colour colourless compound concentrated cooled crystallised crystals decomp derivative diethyl dilute dioxide dissolved distilled dried eluted ester ethanol ethylene evaporated filtered fluoride formed Found fraction gave give glacial acetic acid H₂O heated hydrochloric acid hydrogen hydrogen bromide hydrogen chloride hydrolysis infrared isolated ketone lanthanons light petroleum b. p. liquid lithium aluminium hydride m. p. and mixed method methyl mixed m. p. mixture mole needles nickel nitrate nitric nitryl fluoride obtained oxidation oxygen peroxide potassium hydroxide precipitate prepared pressure prisms pteridine pyridine reaction reduction refluxed Reprint Order requires residue resin room temperature sodium hydroxide solid soluble solution solvent spectra spectrum structure sulphuric acid Table tube ultraviolet vacuo washed yellow yield