Quarterly Journal of the Chemical Society of London, Volume 16, Pages 2069-2832

absorption acetate acetic acid acetone acid added addition afforded alcohol Amer amine aqueous atom base benzene boiled bond bromine carbonate Chem chloride chloroform cholesteryl chromatographed compound confirmed containing cooled corresponding crystallised crystals derivative described dissolved distilled dried effect eluted ester ethanol ether evaporated EXPERIMENTAL extracted filtered filtrate followed formation formed Found fraction further gave give heated under reflux hydrochloric hydrogen hydroxide identical isolated ketone light petroleum mass material mechanism method methyl mixed mixture mmoles mole n.m.r. spectrum needles nitrogen obtained oxidation phenol position potassium precipitate prepared presence prisms pyridine reaction rearrangement reduced removed reported requires residue ring salt sample Scheme separated showed shown silica similar sodium solid solution solvent spectra stirred structure sulphide sulphoxide Table temperature treated treatment VIII washed yellow yield