Journal of the Chemical Society
The Society., 1964
"Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12.
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Nucleophilic reactivity Part IV Competing bimolecular substitution
The biosynthesis of fungal metabolites Part I Two different pathways
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absorption acetic acid alkaline aluminium chloride Amer amine aphins aqueous aromatic atoms band benzene bond bromide Calc carbon CH₂ Chem chloride chloroform chromatography cm.¹ complex compound concentration coupling constants crystallised crystals decomp decomposition derivatives diazomethane dilute dimethyl dimethyl ether dioxan dried Elution equation erythroaphin-fb erythroaphins ester ethanol ether ethyl ethyl acetate evaporated EXPERIMENTAL extracted formation Found fraction gave halides hydrochloric acid hydrogen hydrogen chloride hydrolysis infrared infrared spectra iodide irradiated isomer k₂ ligand light petroleum m. p. and mixed maltose mixed m. p. mixture mole molecule mµ log ɛ nitrogen obtained oxidation oxygen phenyl piperidine potassium precipitate prepared protoaphin protoaphin-fb proton pyridine quinone reaction recrystallised refluxed requires residue room temperature sample similar sodium hydroxide solution solvent spectrum structure substitution Table ultraviolet values washed yellow yield