Journal of the Chemical SocietyThe Society., 1955 |
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Page 345
... spectrum . Light absorption in MeOH : Max . 235 , 255 , and 340 mμ ( ɛ 9000 , 9600 , and 23,700 ) . This spectrum is different from that for the anils [ II ; R = Me ( Part I , loc . cit . ) and Et ( below ) ] and is in accord with the ...
... spectrum . Light absorption in MeOH : Max . 235 , 255 , and 340 mμ ( ɛ 9000 , 9600 , and 23,700 ) . This spectrum is different from that for the anils [ II ; R = Me ( Part I , loc . cit . ) and Et ( below ) ] and is in accord with the ...
Page 382
... spectrum in ethanol shows considerable resemblance . ( iv ) The infra - red spectrum of the -indole ( V ) shows no bands below 6 μ , and hence the NH • group must be absent ; between 6 and 10 μ the spectrum is rather complex , but there ...
... spectrum in ethanol shows considerable resemblance . ( iv ) The infra - red spectrum of the -indole ( V ) shows no bands below 6 μ , and hence the NH • group must be absent ; between 6 and 10 μ the spectrum is rather complex , but there ...
Page 755
... spectrum of the weakly caking coal ( Fig . 1d ) ; it is accompanied by a shift in frequency of one of the aromatic CH bending absorption bands at 862 cm . - 1 in the spectrum of the coal at 400 ° to 870 cm.1 at 460 ° . A slight increase ...
... spectrum of the weakly caking coal ( Fig . 1d ) ; it is accompanied by a shift in frequency of one of the aromatic CH bending absorption bands at 862 cm . - 1 in the spectrum of the coal at 400 ° to 870 cm.1 at 460 ° . A slight increase ...
Contents
The Chemistry of Nitrosyl Complexes Part I Evidence for the Selfionisation | 56 |
The Senecio Alkaloids Part XII The Synthesis of erythro3Hydroxy2methoxy | 65 |
Experiments on the Synthesis of Tetrahydroworenine | 79 |
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acetic acid acetic anhydride acetone alcohol alkaline Amer anhydride aqueous sodium atom band benzene boiling bromide Calc carbon carbonyl Chem chloroform colour colourless colupulone complex compound concentration cooled crystallised crystals curve cyclohexanone D.Sc decomp derivatives dibromide dilute dioxide dissolved distilled dried ester ethanol ether ethyl acetate EtOH evaporated EXPERIMENTAL extracted filtered formation formed Found fraction gave give H₂O heated hydrochloric acid hydrogen chloride hydrolysis infra-red iodide iodine kcal./mole ketone light petroleum b. p. m. p. and mixed method methyl mixed m. p. mixture mole molecules needles nitrate nitrogen obtained oxidation oxidised oxygen phenol potassium potassium hydroxide precipitate prepared prisms pyridine reaction reagent refluxed Reprint Order requires residue room temperature salt scandium sodium hydroxide solid soluble solution solvent solvolysis spectra spectrum structure sulphate sulphuric acid Table tube values yield