ORGANIC CHEMISTRY 3540 BENZENE AROMATICS SOURCES NOMENCLATURE
AROMATICS
- PROPERTIES
LOW REACTIVITY!
LOW HEATS OF HYDROGENATION!
BOND LENGTHS!
THEREFORE, MUST HAVE SPECIAL BONDING!
RESONANCE STRUCTURES OF BENZENE!
AROMATIC COMPOUNDS ARE MORE THAN JUST ORDINARY RESONANCE STABLIZED!!!
SOURCES OF AROMATICS
SIMPLE AROMATIC HYDROCARBONS FROM THERMAL BREAKDOWN OF COAL (1000 DEGREES AND NO AIR).
A MIXTURE OF VOLATILE COMPOUNDS CALLED
COAL TAR
IS FORMED.
FROM NATURAL MATERIALS.
BY SYNTHESIS.
NOMENCLATURE OF SUBSTITUTED BENZENES
SIMPLE BENZENES WITHOUT BENZENE IN NAME
.
SIMPLE BENZENES WITH BENZENE IN NAME
.
MORE COMPLEX COMPOUNDS WITH BENZENE AS A GROUP
.
DISUBSTITUTED BENZENES, SYSTEMATIC NAME
.
DISUBSTITUTED BENZENES, COMMON NAME
.
TRISUBSTITUTED BENZENES
.
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