phenanthrenes

Phenanthrenes are a class of polycyclic aromatic hydrocarbons (PAHs) characterized by a specific arrangement of three fused benzene rings. This molecular structure consists of five fused rings, with two peri-hydrogens. The parent compound, phenanthrene itself, has the chemical formula C14H10. Phenanthrenes are typically colorless, crystalline solids.

They are found naturally in coal tar and are products of incomplete combustion of organic matter, meaning they can be generated during processes like burning wood, fossil fuels, and even in cooking. Due to their aromatic nature, phenanthrenes are relatively stable compounds.

Phenanthrenes and their derivatives have a range of applications and are studied for their diverse properties. Some are used as building blocks in the synthesis of dyes, pharmaceuticals, and agricultural chemicals. In research, they are important as model compounds for understanding the behavior and environmental fate of PAHs. Certain phenanthrene derivatives have also shown biological activity, leading to investigations into their potential medicinal uses. However, some PAHs, including certain phenanthrene derivatives, are known to be carcinogenic and their presence in the environment is a concern due to potential health risks.