Canadian Medical Guide > Chemicals and Drugs > Polycyclic Hydrocarbons > Polycyclic Hydrocarbons, Aromatic Terms and Definitions




Polycyclic Hydrocarbons, Aromatic

Medical Definition: A major group of unsaturated cyclic hydrocarbons containing two or more rings. The vast number of compounds of this important group, derived chiefly from petroleum and coal tar, are rather highly reactive and chemically versatile. The name is due to the strong and not unpleasant odor characteristic of most substances of this nature. (From Hawley's Condensed Chemical Dictionary, 12th ed, p96)
Polycyclic Hydrocarbons, Aromatic Categories.
Canadian Medical Guide Definition Acenaphthenes - Tricyclic ethylene-bridged naphthalene derivatives. They are found in petroleum residues and coal tar and used as dye intermediates, in the manufacture of plastics, and in insecticides and fungicides.
Canadian Medical Guide Definition Anthracenes - A group of compounds with three aromatic rings joined in linear arrangement.
Canadian Medical Guide Definition Benzocycloheptenes
Canadian Medical Guide Definition Fluorenes - A family of diphenylenemethane derivatives.
Canadian Medical Guide Definition Indenes - A family of fused-ring hydrocarbons isolated from coal tar that act as intermediates in various chemical reactions and are used in the production of coumarone-indene resins.
Canadian Medical Guide Definition Naphthacenes - Polyacenes with four ortho-fused benzene rings in a straight linear arrangement. This group is best known for the subclass called TETRACYCLINES.
Canadian Medical Guide Definition Naphthalenes - Two-ring crystalline hydrocarbons isolated from coal tar. They are used as intermediates in chemical synthesis, as insect repellents, fungicides, lubricants, preservatives, and, formerly, as topical antiseptics.
Canadian Medical Guide Definition Phenalenes - A group of AROMATIC HYDROCARBONS that have three rings joined as a triad around a single carbon atom so all three are conjoined, in contrast to a linear arrangement (ANTHRACENES) or angular arrangement (PHENANTHRENES).
Canadian Medical Guide Definition Phenanthrenes
Canadian Medical Guide Definition Pyrenes - A group of condensed ring hydrocarbons.
Canadian Medical Guide Definition Spiro Compounds - A group of compounds consisting in part of two rings sharing one carbon atom in common.

Polycyclic Hydrocarbons, Aromatic Medical Definitions and Terms

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