Journal of the Chemical SocietyThe Society., 1964 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 18
... isolated in ether ( 4 × 10 ml . ) . After drying ( MgSO1 ) and removal of ether through a small fractionating column , a - methylbutyric acid was isolated from the residual mixture by Saki's chromatographic tech- nique 11 for the ...
... isolated in ether ( 4 × 10 ml . ) . After drying ( MgSO1 ) and removal of ether through a small fractionating column , a - methylbutyric acid was isolated from the residual mixture by Saki's chromatographic tech- nique 11 for the ...
Page 125
... isolated may represent only some of the products . Nevertheless , it seems likely that the preferred reaction site is para to the chlorine atom , with the reservation that some of the products isolated could have arisen from reactions ...
... isolated may represent only some of the products . Nevertheless , it seems likely that the preferred reaction site is para to the chlorine atom , with the reservation that some of the products isolated could have arisen from reactions ...
Page 1117
... isolated ( Table 2 ) together with unchanged 1 - bromonaphthalene . Analysis of the product was best made by gas chromatography.19 At 120 ° , with dimethylformamide as solvent , the cuprous oxide did not dissolve , no gas was evolved ...
... isolated ( Table 2 ) together with unchanged 1 - bromonaphthalene . Analysis of the product was best made by gas chromatography.19 At 120 ° , with dimethylformamide as solvent , the cuprous oxide did not dissolve , no gas was evolved ...
Contents
By J K P ARIYARATNE and M L H GREEN | 1 |
The biosynthesis of fungal metabolites | 16 |
Monofluoroisoquinolines | 22 |
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absorption acetic acid acetic anhydride alkaline aluminium chloride Amer amine anhydride aphins aqueous aromatic atoms band benzene bond bromide Calc carbon Chem chloride chloroform chromatography cm.¹ complex compound concentration coupling constants crystallised crystals decomp decomposition derivatives diazomethane dilute dimethyl dioxan dried Elution equation erythroaphin-fb erythroaphins ester ethanol ether ethyl ethyl acetate evaporated EXPERIMENTAL extracted formation formed Found fraction gave halides hydrochloric acid hydrogen hydrolysis infrared infrared spectra iodide irradiated isomer ligand light petroleum m. p. and mixed maltose mixed m. p. mixture mole molecule mµ log ɛ nitrogen nuclear magnetic resonance obtained oxidation oxygen phenyl piperidine potassium prepared protoaphin protoaphin-fb proton pyridine quinone reaction recrystallised refluxed requires residue ring room temperature sample similar sodium hydroxide solution solvent spectrum structure substituted Table ultraviolet values washed yellow yield