Explanatory notes
… also one or more of the oxygen functions referred to in previous sub‑Chapters (alcohol, ether, phenol, aldehyde, … R and R 1 stand for alkyl or aryl radicals (methyl, ethyl, propyl, phenyl, etc.). Ketones may have two tautomeric … in this heading. (I) Acyclic ketones . (1) Acetone (propanone) (CH 3 COCH 3 ). Found in the products of the dry …