Journal of the Chemical SocietyThe Society., 1955 |
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Page 3389
... spectra is usually possible , they are , when liquids , relatively difficult to isolate and purify on a small scale . Thus identification is often made by way of a 2 : 4 - dinitrophenylhydrazone or a semicarbazone . Spectra of the ...
... spectra is usually possible , they are , when liquids , relatively difficult to isolate and purify on a small scale . Thus identification is often made by way of a 2 : 4 - dinitrophenylhydrazone or a semicarbazone . Spectra of the ...
Page 3732
... Spectra of 5 - methoxy - 2 - nitrosophenol . R - Band K2 - Band K - Band Solvent ΛΙΑΣ . ε D * Amax . Ε D * Amar . ε D ' CCI 3750 4000 +145 3225 12,300 +240 Et2O 6460 32 -1065 3740 4400 +130 3225 11,900 +285 C.H. 6430 35 -1045 3750 ...
... Spectra of 5 - methoxy - 2 - nitrosophenol . R - Band K2 - Band K - Band Solvent ΛΙΑΣ . ε D * Amax . Ε D * Amar . ε D ' CCI 3750 4000 +145 3225 12,300 +240 Et2O 6460 32 -1065 3740 4400 +130 3225 11,900 +285 C.H. 6430 35 -1045 3750 ...
Page 4331
... spectra are , of course , much more diffuse than at —180 ° ) ; measurable spectral blurring is only produced by solvents which interact much more strongly with the solute than do the paraffins . Spectra in glasses at low temperatures ...
... spectra are , of course , much more diffuse than at —180 ° ) ; measurable spectral blurring is only produced by solvents which interact much more strongly with the solute than do the paraffins . Spectra in glasses at low temperatures ...
Contents
Alkenylation with Lithium Alkenyls Part IX Synthesis of Dimethylbutadiene PAGE | 3324 |
Alkenylation with Lithium Alkenyls Part XII Dihydronaphthyl and Indenyl | 3337 |
11dimethylcarbazoles | 3362 |
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4-dinitrophenylhydrazone absorption acetic acid acetic anhydride acetone acetyl added alcohol aldehyde alumina Amer ammonia aqueous ethanol atoms band benzene boiling Braude bromide Calc carbonate Chem chloride chloroform chromatography colour compound concentrated cooled crystallised from ethanol crystals cyclohexanone decomp derivatives dilute dissolved distilled dried electrode eluted ester ethanol ether evaporated filtered filtrate formed Found fraction gave give m. p. heated hydrochloric acid hydrogen hydrolysis imidine infrared iodide isolated ketone light petroleum b. p. lithium lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture molecules nickel nitrobenzene nitrogen obtained oxide peroxide phenolic potassium hydroxide prepared prisms pyridine Raney nickel reaction recrystallized reduction refluxed Reprint Order requires residue room temperature salt semicarbazone silicon tetrachloride sodium hydroxide solid solution solvent spectra steric stirred substituents sulphate sulphuric acid Table values washed yellow yield