140
3 Brief Demonstration of the General Nomenclature Rules
In the presence of higher ranked functional groups too, Chern. Abstr. uses
exclusively the traditional ... azo ... infixes.
COOH
ro
1 '-'::
N=NiQ:-::? 3 S03H
1
2
3·
11
~
~
~6
4 NO
syst.: 2- [(4-Nitroso-3-sulfophenyl)diazenyl] naphthalene-I-carboxylic acid
CA: 2-( 4-Nitroso-3-sulfophenylazo )naphthalene-I-carboxylic acid
trad.: I-Carboxynaphthalene-2-azo-3' -( 6' -nitrosobenzenesulfonic acid)
Me
Me
I
I
N:::C-C-N=N-C-C:::N
I
I
Me
Me
Me
NH2
Me-?-N=N--0
Me
syst.: 2,2'-Dirnethyl-2,2' -diazenediylbis(propanenitrile)
CA: 2,2'-Azobis(2-rnethylpropanenitrile)
trad.: Azoisobutyronitrile
syst.: 3- [(1,1-Dimethylethyl)diazenyl]cydopent-3-en-I-arnine
CA: 3-[(l,I-Dirnethylethyl)azo] ...
HO-N=N-o-~ C0 2 H syst.: 4-(Hydroxydiazenyl)benzoic acid
CA: 4-(Hydroxyazo )benzoic acid
N-o-~ N
e
< }-N' - \N-o-~Ph2
Diphenyl-{ 4- [4- (phenyldiazenyl)phenyldiazenyl]phenyl }rnethyliurn
MeO
OMe
H'N--Q-N~N--Q-CH~CH--p-N~N-p-NH'
OMe
S03H
H03S
MeO
2,2' -(Ethene-I,2-diyl)bis-{ 5- [( 4-amino-2,5-dimethoxyphenyl)diazenyl ]benzolsulfonic acid}