NOMENCLATURE - ORGANIC CHEMISTRY
Rules of Nomenclature in IUPAC system:
The
name of every compound consists of :
Prefix + Root word + primary suffix
+ secondary suffix.
Root word –
indicates the number of Carbons present in the principal chain of the compound.
Primary
suffix – indicates the nature of the between the Carbon atoms in the
principal chain.
Secondary suffix
– indicates the functional group.
Prefix –
indicates the substituent.
No. of Carbon atoms
|
Root word
|
|
Nature of the bond
|
Primary suffix
|
1
|
Meth
|
C – C single bond
|
ane
|
|
2
|
Eth
|
C = C double bond
|
ene
|
|
3
|
Prop
|
C ยบ
C triple bond
|
yne
|
|
4
|
But
|
|
|
|
5
|
Pent
|
|
|
Functional group
|
Secondary suffix
|
|
Substituent
|
prefix
|
– COOH
|
oic acid
|
– CH3
|
Methyl
|
|
– CHO
|
al
|
– C2H5
|
Ethyl
|
|
– CO –
|
one
|
– Cl
|
Chloro
|
|
– OH
|
ol
|
– Br
|
Bromo
|
|
|
|
– I
|
Iodo
|
1 comment:
In stock products can be shipped out within 3-5 business days upon receipt of customers' purchase order. MDP3FL
Post a Comment