Journal of the Chemical Society

absorption acetic acetic acid acetone acid active added addition afforded alkaline aluminium Amer anhydride aqueous atoms band benzene bismuth bond bromide calculated carbon carbon tetrachloride Chem chloride chloroform chromatography complexes compounds concentration constant containing cooled corresponding coupling crystals derivative described determined diluted dissolved distilled dried effect ester ethanol ether ethyl evaporated EXPERIMENTAL extracted followed formation formed Found fraction further gave give heated hydrochloride hydrogen hydrogen bromide hydroxide increase indicated infrared iodide light material measured mechanism method mixed mixture mole molecules needles nitrate nitric acid observed obtained occurs oxide petroleum picrate position potassium precipitated prepared presence pyridine reaction recrystallised reduced refluxed removed requires residue respectively ring room temperature runs salt separated showed shown similar sodium solid solution solvent spectra spectrum stirred structure substitution Table treated values washed yellow yield