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Introduction to Aromatics (OChem)
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Introducing aromatics, including nomenclature, physical properties and derivatives, as well as drawing and naming conventions. Includes diagrams.
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aromaticsof derived from benzene Colt 64)
a
unique group hydrocarbons .
cyclic compound arranged Ñ
alternating
T
-
→
1 <
→
single and double bonds
-
bonds not fixed swapping constantly
,
classified as saturated
will not react like alkene or alkyne (bro test)
-
.
NOMENCLATURE
•
benzene is parent name if benzene is at a terminal end
name branches
using same rate as cynics
-
if benzene is found as a branch it
gets name
phenyl
-
,
methylbenzene
1-
ethyl 3-
methyl benzene
-
3-
ethyl 1-
methyl benzene
-
(8 Hit (tb
3 '
s
'
3
2-
ethyl 3-
methyl s
octyl benzene
phenylbutane
1-
4
- - -
iris
6-
5-
phenyl kept 2- evil
ethyl 3.8.8 tri
methyl -2,6 diphenyl non 4- girl
-
- -
- -
=
PHYSICA1 PROPERTIES when there's
only2 branches
from benzene positions
colorless liquid at room temperature extending
-
,
•
sweet aroma temperature
at room can be described Ñ prefixes
•
non-polar ,
carcinogen m
ethylmethylbenzene
-
-
ortho 10 II. 2)
↳ 1h3)
evaporates quickly very volatile meta m /
-
try
-
-
leads to dizziness ÷ unconsciousness when inhaled
-
para / p 1h41
DERIVATIVES
! medicines
found in
gasoline dyes plastics pesticides drugs
-
, ,
, ,
benzene can take almost
every attachment
•
¥0M OH
oÉ
phenol nap thawne
aspirin
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