Quarterly Journal of the Chemical Society of London, Volume 11 |
Contents
Organic chemistry | 2023 |
Constituents of Withania somnifera Dun Part XII The withanolides of an Indian chemotype | 2032 |
Cyclic hydroxamic acids Part I Synthesis and reactions of 12dihydro1hydroxy46dimethyl2oxo | 2044 |
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acetate acetic acid acetone acid added addition afforded alcohol aldehyde Amer amine aqueous atom base benzene bond carbonate Chem chloride chloroform chromatographed complex compound concentrated containing cooled corresponding crystallised crystals derivative described dilute dissolved distilled dried ester ethanol ether evaporated experiment extracted filtered followed formation formed Found fraction further gave give heated under reflux hydride hydrochloric hydrogen hydroxide identical indicated isolated isomer ketone light petroleum lithium mass material method methyl mixture mmol n.m.r. spectrum needles nitrogen obtained occurred oxidation potassium prepared presence protons pyridine reaction reduction removed reported requires residue ring room temperature salt sample Scheme separated showed shown signals similar sodium solid solution solvent spectra stirred structure synthesis Table treated treatment washed yellow yield