PART 1

was first isolated in 1825 by English chemist Michael Faraday from the oily residues after heating whale oil under pressure to produce a gas
used to illuminate buildings in London.

Benzene (C6H6), was first isolated in 1825 by English chemist

In 1834, aromatic hydrocarbons were prepared from

Benzoic acid is a compound obtained by chemical degradarion of

These are related hydrocarbons

An Austrian chemist, recognized in 1861 that most aromatic substances have formulas that can be derived from benzene by replacing one
or more hydrogens by other atoms or groups.

Is the parent hydrocarbon of the especially stable compounds known as aromatic compounds.

came to mean any compound structurally derived from benzene.

These compounds are hydrocarbons that contain a
benzene ring as a structural unit.

In addition to benzene, other examples include

are either liquids or solids at room temperature;
none are gases.

was once widely used as a solvent, but evidence
of its carcinogenic properties prompted its replacement by
less hazardous solvents.

The most common reactions of aromatic compounds
involve

The most common reactions of aromatic compounds involve substitution of other atoms or groups for a ring hydrogen on the aromatic unit, or more precisely called an

The bromination or chlorination of benzene requires a Lewis acid such as

The bromination or chlorination of benzene
requires a Lewis acid such as

Electrophilic iodine (I+) is obtained by treating
I2 with an oxidizing agent such as

Nitration of benzene with nitric acid requires

strong acid because of the three electron-
withdrawing oxygen atoms and the stability of its conjugate base.

places an acyl group on a
benzene ring

places an alkyl group on a
benzene ring.

lowers blood pressure, beta blocker and antihypertensive

hydantoin, anticonvulsants for seizure

barbituarate, anti convulsant for seizure

NSAID, COX inhibitor

shows inflammation, make you feel pain and fever

HMGCOA, rwductase inhibitor and antihyperlipidemia

oral contraceptive, birth control pills

coumann, anticoagulants

activates CNS, for patient with narcoleptys (mga bigla nagdodown ang CNS)