2.5B PHENYL AND BENZYL GROUPS
- Phenyl group:
or
or C 6 H 5 – or φ– or Ph–
or Ar– (if ring substituents are present)
- Benzyl group:
CH 2 or CH 2
or C 6 H 5 CH 2 – or Bn–
2.6 ALKYL HALIDES OR HALOALKANES
2.6A HALOALKANE
- Primary (1°), secondary (2°), or tertiary (3°) alkyl halides:
C
H
H
C Cl
Cl
H Cl
H
H
C
H
H
C C
H
H
H
H
HH 3 C C
CH 3
CH 3
A 1o alkyl chloride A 2o alkyl chloride A 3o alkyl chloride
1 o Carbon 2 o Carbon 3 o Carbon
- Primary (1°), secondary (2°), or tertiary (3°) carbon atoms:
2.7 ALCOHOLS
- Hydroxyl group