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PHENOL - Coggle Diagram

- - - - Certain phenols are referred to by common names. For example, methyl phenols are called cresols. In the illustrations below, the first name under each compound is its common name, and the bottom name is its IUPAC name.
      - In IUPAC nomenclature, the parent molecule is called benzenol, and substituents are always numbered with the OH group being given the understood first position. For the compounds below, the first name listed is the common name and the second is the IUPAC name.
      - When a phenol molecule is substituted with additional groups, either the ortho, meta, para system or the numbering system can be employed. In either case, if the parent molecule is referred to as a phenol, the nomenclature being used is the common system.
      - By definition, phenol is hydroxybenzene. Phenol is a common name for the compound. Its IUPAC name would be benzenol, derived in the same manner as the IUPAC names for aliphatic alcohols.
      - Similarly, hydroxyphenols have common names, which are listed first under each of the following illustrations, while the IUPAC names are listed last.