Journal of the Chemical SocietyThe Society., 1963 |
From inside the book
Results 1-3 of 75
Page 2685
... chromatography and / or infrared spectrometry . Previous calibration of the chromatography unit permitted quantitative analysis which , although not of a high order of accuracy because of the complex mixtures examined , gave valuable ...
... chromatography and / or infrared spectrometry . Previous calibration of the chromatography unit permitted quantitative analysis which , although not of a high order of accuracy because of the complex mixtures examined , gave valuable ...
Page 2687
... chromatography ) chlorobenzene , o - chlorotoluene , o - chlorostyrene , o - chlorobenzaldehyde , o - chloroacetophenone ( confirmed as 2,4 - dinitrophenylhydrazone ) , un- changed pyrolysand , and a trace of unidentified material ...
... chromatography ) chlorobenzene , o - chlorotoluene , o - chlorostyrene , o - chlorobenzaldehyde , o - chloroacetophenone ( confirmed as 2,4 - dinitrophenylhydrazone ) , un- changed pyrolysand , and a trace of unidentified material ...
Page 2851
... chromatography on Whatman's No. 3 MM paper with solvent B in the usual manner . Oligosaccharide A ( Solatriose ) .- After several purifications oligosaccharide A was obtained as a brown hygroscopic gum which gave a pale brown spot with ...
... chromatography on Whatman's No. 3 MM paper with solvent B in the usual manner . Oligosaccharide A ( Solatriose ) .- After several purifications oligosaccharide A was obtained as a brown hygroscopic gum which gave a pale brown spot with ...
Contents
Organic | 2567 |
Gibberellic acid Part XXIII Some perhydrofluoren8aylacetic acid lactones | 2590 |
Gibberellic acid Part XXV Some new reduction products of gibberellic acid | 2606 |
115 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl alumina Amer amine anhydride atom band benzene benzoate Calc carboxylate catalyst cation CH₂ Chem chloride chloroform chromatography cm.¹ complex compound concentration constant crystallised decomp decomposition derivative dibromide dilute dimethyl dioxan distilled dried eluted ester ethanol ethyl acetate evaporated experimental extracted with ether filtered filtrate flindissone formation Found fraction gave H₂O heated hydrochloric acid hydrogen bromide hydrogen chloride hydrogen peroxide hydrolysis hydroxide infrared infrared spectrum k₁ ketone kinetic lactone light petroleum liquid lithium aluminium hydride mixed m. p. mixture mole mµ ɛ needles nitrogen obtained optical oxidation oxygen petroleum b. p. phenol potassium prepared prisms proton pteridine pyridine pyrolysis reaction reagent refluxed requires residue resin room temperature salt scission sodium hydrogen carbonate sodium hydroxide solvent spectra structure Table thiolactone toluene-p-sulphonic ultraviolet values vinyl Vmax washed yield