Abstract
The nitration of aromatics using zeolite as a solid inorganic catalyst and nitric oxides as nitrating agents is a relatively clean process for aromatic nitration.
ACKNOWLEDGMENT
Financial support by the Government of India under “Technical Education Quality Improvement Programme” (TEQIP) is gratefully acknowledged.
Notes
Reaction conditions: Chlorobenzene (30 mmol), catalyst zeolite Hβ, 1,2-dichloroethane (30 ml), HNO3 4 ml, P2O5 10 g; temperature 40 °C, reaction time 240 min.
a GC.
Reaction conditions: Chlorobenzene (30 mmol), catalyst 1 wt% wrt wt. of CB, dichloroethane (30 ml), HNO3 4 ml, P2O5 10 g; temperature 40 °C, reaction time 240 min.
a GC.
Reaction conditions: substrate (30 mmol), catalyst zeolite Hβ 1 wt% wrt wt. of substrate, dichloroethane (30 mL), HNO3 4 ml, P2O5 10 g; temperature 40 °C, reaction time 240 min.
a Without catalyst.
b GC and GC-MS.
c Exclusive 1-nitronaphthalene.
d 2,3-Dichloro-1-nitrobenzene.
e 3,4-Dichloro-1-nitrobenzene.