Journal of the Chemical SocietyThe Society., 1960 |
From inside the book
Results 1-3 of 84
Page 29
... Amax . 3010 Å ( ε 8050 ) . This was fractionated to obtain four fractions : ( A ) ( 8 g . ) , b . p . 42—51 ° / 0.8 mm . , n , 20 1.500 , max . 3010 Å ( ɛ 3550 ) ; ( B ) ( 4-3 g . ) , b . p . 51-53 ° / 0.8 mm . , n 20 1.519 , Amax ...
... Amax . 3010 Å ( ε 8050 ) . This was fractionated to obtain four fractions : ( A ) ( 8 g . ) , b . p . 42—51 ° / 0.8 mm . , n , 20 1.500 , max . 3010 Å ( ɛ 3550 ) ; ( B ) ( 4-3 g . ) , b . p . 51-53 ° / 0.8 mm . , n 20 1.519 , Amax ...
Page 270
... Amax . 218 , 230 , 272 , 282 , 304 ( infl . ) , 315 , and 326 ( infl . ) indicative of 3,4 - benzophenanthrene.17 1,2 - Benzanthracene . This was identified by comparison with an authentic specimen on acetylated paper . An extract showed ...
... Amax . 218 , 230 , 272 , 282 , 304 ( infl . ) , 315 , and 326 ( infl . ) indicative of 3,4 - benzophenanthrene.17 1,2 - Benzanthracene . This was identified by comparison with an authentic specimen on acetylated paper . An extract showed ...
Page 699
... Amax . Єmax . Δλι € 210 E210 Amax . Emax . Amax . Єmax . 1 Cholestane a no max . € 195 90 € 200 50 2 Cholestan - 3ẞ - ol a " € 195 300 € 200 120 ~ 150 3 Lupane a " € 195 240 € 200 80 4 Lupen - 38 - ol a 33 € 195 5 ( 58H ) 4,23,24- a ...
... Amax . Єmax . Δλι € 210 E210 Amax . Emax . Amax . Єmax . 1 Cholestane a no max . € 195 90 € 200 50 2 Cholestan - 3ẞ - ol a " € 195 300 € 200 120 ~ 150 3 Lupane a " € 195 240 € 200 80 4 Lupen - 38 - ol a 33 € 195 5 ( 58H ) 4,23,24- a ...
Contents
NO PAGE | 6 |
Tautomerism of Nheteroaromatic aldoximes | 22 |
Nucleophilic displacements in organic sulphites Part VI Comparison of | 37 |
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acetic acid alcohol alkaline Amax Amer amylose anhydride aniline aqueous sodium ation atom bands benzene benzoic acid benzoyl peroxide boiled bond boron bromide butyl Calc calculated carbon tetrachloride CH₂ Chem chloride chlorobenzene chloroform chromatography complex component compounds concentration constants cooled crystallised cyclic sulphate cyclohexane decomposition derivatives dilute distilled dried equation ester ethanol ether ethyl acetate evaporated EXPERIMENTAL extracted Fèvre filtered filtrate formed Found fraction gave H₂O heated hydrochloride hydrogen hydrogen chloride hydrolysis imino-ether infrared iodide ions isolated k₁ ketone m. p. and mixed method mixed m. p. mixture mole molecular molecules needles NH₂ nitration nitrogen obtained oxide peroxide phenol picrate potassium precipitate prepared pyridine reaction reduced reflux removed requires residue room temperature sample sodium hydroxide solution solvent spectra spectrum Table thiocyanate thiocyanogen transition values vanadium(IV wavelengths yield Z-enzyme