Nomenclature of Branched‐Chain Monosaccharides

The naming of acyclic forms is described, and the first part of this is the rules for choosing which is the parent chain. This leads to naming the parent monosaccharide, including the naming of the C‐substituent that forms the branch. Stereochemical conventions have to be extended to specify configuration: the two substituents at one carbon on the parent chain are put in order of priority: that of higher priority is considered to replace hydroxyl and that of lower priority to replace hydrogen in assigning a name to the parent monosaccharide. Equivalent groups and terminal substitution are dealt with separately. Cyclic forms are then described. Many examples are given.