Regioselective nitration of aromatic compounds by dinitrogen pen

Details Regioselective nitration of aromatic compounds by dinitrogen pen Regioselective nitration of aromatic compounds by dinitrogen pen

1998-01-20

1999-11-02

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568936, C07C20500

Patent

active

059774185

ABSTRACT:
The invention is a process for regioselective nitration of substituted aromatic compounds and the corresponding reaction products. The reaction is conducted in the presence of a solid zeolite with small pores and with nitrogen pentoxide as the nitrating agent. The reaction products have a very high proportion of para-nitro substituted isomer.

REFERENCES:
Jounal of Organic Chemistry, 1994, (59), pp. 4939-4942, Thomas J. Kwok et al.
Japanese abstract (JP 51019734), Feb. 17, 1976, Tokeo et al.
Journal of Pharmaceutical Science, 1988, 77 (2), pp. 185-187, Gaudreaut.
Journal of Chem. Soc., Chem. Commun. (1994), (12), pp. 1443-1444, Hitomi et al.

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