Quarterly Journal of the Chemical Society of London |
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Page 3065
... band which amounts here to about 30 % of the C = O band intensity while it is less than 10 % in the case of N - methylbenzamide.2 It appears reason- able to assume that these bands are due , to a large extent , to an asymmetrical and a ...
... band which amounts here to about 30 % of the C = O band intensity while it is less than 10 % in the case of N - methylbenzamide.2 It appears reason- able to assume that these bands are due , to a large extent , to an asymmetrical and a ...
Page 3391
... band in the range 1250-1195 cm.1 . Taurins et al.3 assigned the bands at 1192-1175 cm.1 to skeletal C - CH , vibrations . Bands in this region occur in several compounds other than methyl derivatives , but it is of interest that a ...
... band in the range 1250-1195 cm.1 . Taurins et al.3 assigned the bands at 1192-1175 cm.1 to skeletal C - CH , vibrations . Bands in this region occur in several compounds other than methyl derivatives , but it is of interest that a ...
Page 3392
... bands at 800 and 720 cm.1 , and nearly all the compounds investigated possessed at least one strong or medium band in this region . The absorption pattern here appears to depend more on the nature of the substituent than on the type of ...
... bands at 800 and 720 cm.1 , and nearly all the compounds investigated possessed at least one strong or medium band in this region . The absorption pattern here appears to depend more on the nature of the substituent than on the type of ...
Contents
3082 | 2595 |
Interaction between selenium oxychloride and the trichlorides of boron | 2600 |
NO PAGE | 2601 |
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl added alcohol alkali alumina Amer aqueous ation atom band benzene beryllium boiling bond bromide Calc carbon tetrachloride carbonyl Chem chloride chloroform chromatography cm.ยน colourless complexes compound concentrated cooled crystallised crystals cyclohexanone decomp decomposition derivative diethyl dilute dioxan dissolved distilled elution ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered filtrate formation Found fraction gave heated hydride hydrochloric acid hydrolysis infrared infrared spectrum iodide isolated isomers isorotenolone ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitrate nitric oxide nitrogen obtained peroxide phenyl phosphate potassium precipitate prepared pyridine quinazoline radicals reaction refluxed requires residue room temperature rotenone sample sodium hydroxide solid solution solvent spectra structure sulphate sulphuric acid Table ultraviolet values yellow yield