Journal of the Chemical Society, Part 5

absorption acetate acid added addition Amer angle anhydride appears aqueous assigned atoms band benzene boiling bond calculated carbon carbon tetrachloride Chem chemical chloride chloroform chromatography complexes compounds concentration conformation constant containing cooled corresponding crystallised crystals derivatives described determined dilute distilled effect ethanol ether evaporated excess EXPERIMENTAL experiments extracted Figure followed formation formed Found fraction frequencies further gave give given heated hydrogen hydrolysis hydroxide infrared involving less ligand measured method methyl mixed mixture mmoles mode molecule observed obtained occur optical oxide peaks perchlorate position possible potassium prepared present protons range reaction reduced reflux relative removed requires residue respectively ring salt separated shift showed shown similar sodium solid solution solvent spectra spectrum stretching structure studied suggested sulphuric Table temperature treated values washed yellow yield