Quarterly Journal of the Chemical Society of London |
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Page 3402
... isolated from fractions ( a ) and ( b ) by gas - liquid chromatography . The b . p . and retention time were identical with those of an authentic specimen . Biphenyl , isolated from fraction ( 1 ) by recrystallisation from ethanol ; max ...
... isolated from fractions ( a ) and ( b ) by gas - liquid chromatography . The b . p . and retention time were identical with those of an authentic specimen . Biphenyl , isolated from fraction ( 1 ) by recrystallisation from ethanol ; max ...
Page 3406
... isolated from fraction 3 by gas - liquid chromatography ; m . p . and mixed m . p . 120-122 ° . Acenaphthylene , isolated from fractions 4 and 5 by chromatography on partially acetylated cellulose ; max . 229 , 258 , 266 , 276 , 309 ...
... isolated from fraction 3 by gas - liquid chromatography ; m . p . and mixed m . p . 120-122 ° . Acenaphthylene , isolated from fractions 4 and 5 by chromatography on partially acetylated cellulose ; max . 229 , 258 , 266 , 276 , 309 ...
Page 3407
... isolated from fraction 15 by chromatography on acetylated cellulose ; Amax . 268 , 276 , 289 , 300 , 315 , 325 , 330 , 345 , 363 , and 383 mu ; fluorescence max . 390 , 402 , 414 , 426 , and 436 mμ . Anthanthrene , isolated from ...
... isolated from fraction 15 by chromatography on acetylated cellulose ; Amax . 268 , 276 , 289 , 300 , 315 , 325 , 330 , 345 , 363 , and 383 mu ; fluorescence max . 390 , 402 , 414 , 426 , and 436 mμ . Anthanthrene , isolated from ...
Contents
3082 | 2595 |
Interaction between selenium oxychloride and the trichlorides of boron | 2600 |
NO PAGE | 2601 |
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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.¹ 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