Benzene is an important organic compound with the chemical formula C6H6, and its molecule consists of a ring of 6 carbon atoms, each with 1 hydrogen atom. Benzene is a sweet, flammable, colorless and transparent liquid with carcinogenic toxicity at room temperature, and has a strong aromatic odor. It is insoluble in water, easily soluble in organic solvents, and can also be used as an organic solvent itself. The ring system of benzene is called benzene ring, and the structure after removing one hydrogen atom from the benzene ring is called phenyl. Benzene is one of the most important basic organic chemical raw materials. Many important chemical intermediates can be derived from benzene through substitution reaction, addition reaction and benzene ring cleavage reaction.
Phenanthrene is a crystalline tricyclic aromatic hydrocarbon with the molecular formula C14H10. The centers of the three rings of phenanthrene are not in a straight line and are the isomers of anthracene. In medicine, phenanthrene can synthesize alkaloids. Although phenanthrene is considered a relatively small natural product, discovering new phenanthrene derivatives and evaluating their potential biological activity has become of great interest to many research groups worldwide.
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