The old name for phenylamine is aniline and you could also reasonably call it.
Two benzene rings name.
Benzene is a natural constituent of crude oil and is one of the elementary petrochemicals.
Naphthalene the simplest of the fused or condensed ring hydrocarbon compounds composed of two benzene rings sharing two adjacent carbon atoms.
Likewise the compounds with two benzene rings fused to the central heterocycle are carbazole acridine and dibenzoazepine.
Naphthalene is the most abundant single constituent of coal tar a.
So say i have this molecule right here.
If you draw a benzene ring with one group attached you have drawn a phenyl group.
As it contains only carbon and hydrogen atoms benzene is classed as a hydrocarbon.
Thienothiophene are the fusion of two thiophene rings.
So let s see i have that.
Phosphaphenalenes are a tricyclic phosphorus containing heterocyclic system derived from the carbocycle phenalene.
Now if i were to add something to the benzene ring it s pretty straightforward to name it.
Phenylamine is a primary amine and contains the nh 2 group attached to a benzene ring.
If i didn t draw anything else you d just assume that there s also a hydrogen here.
For azepine benzazepine is the preferred name.
But let s say this carbon over here it has one two three bonds.
A compound containing a benzene ring which has one or more alkyl substituents is called an arene.
Two ways of representing a phenyl group.
You should already know the names and structures of several of the hydrocarbons shown in figure 15 1.
A phenyl group consists of a benzene ring with one of its hydrogens removed.