Isomers and Drawing

isomers and drawing
Taken es :

hydrocarbons in a double bond between two carbons
Ñ
alkynes hydrocatbns a
triple bond between two carbons 1
:




ÉJ9s.s
3-
methyl ,
5-
ethyl 1×2) . noname
ex ) noname
diethyl 3- methyl
-
-




Y
• "
not included in alphabetization

ex ) draw 4-
ethyl -2.3 dimethyl hexane
-




methyl group
make sure to
have defined
/
angles #\ hexane


( ethyl group
1
methyl
group
ex ) draw 2.3.4 trim
ethyl
-
-

6-
propyl octane 1incorrect name)

/ ft this is
actually a nonane


actual
parent I
✓
Vg
assumed
6-
ethyl
-


2.3.4
trimethylnonane
bra h
parent branch
only differ by
homologous series a series of molecules in the same
group that a
repeating
:




Unit between each member city Catto ↳ Hs Cytlio ↳ Hip all increase by CH2
isomers :

compounds in same molecular formula but different structures and names

ex) what are three isomers of Ghia a) draw ! names isomers of Cathy

-
: a. a-
dimethyl In .tv
propane methyl pentane
2- a. a-
dimethyl
pentane methyl
-
-


a-

my
, butane
butane 3.
methyl \
pentane a. 3- dimethyl butane



cyclic prefix added to aliphatic parent name Cntlan
" "




cyclic molecules ring structure molecules
:

,


-




cyclopropane
:


,
cyclo butane ☐ :

.
. . .




/ end start direction How numbers)
decide here beginning is
numbering can
anywhere go any
-
-


.




↳ if there are branches , number Ñ lowest possible numbers
↳ to break a tie compare addresses
, . Winner at first point of difference

ex ) name this
:

i. a. 4-
trimetnyl cyclohexane ex ) draw this :
2.
ethyl -1,3 dimethyl cyclopentane
-




É
4

3
2
,