Introduction to Aromatics (OChem)

aromatics
of 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