Process for the preparation of pyrene compounds

Details Process for the preparation of pyrene compounds Process for the preparation of pyrene compounds

1992-01-08

1994-06-21

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544219, C07D25116, C07D25120

Patent

active

053229410

ABSTRACT:
The invention relates to a process for the preparation of pyrene compounds of the formula ##STR1## by reaction of cyanuric chloride with pyrene in the presence of an aluminum halide in an aromatic solvent in a Friedel-Crafts reaction, which comprises using as solvent non-polar, halogen-free aromatic compounds, preferably composed of methyl-, ethyl- and/or propyl-substituted benzene, and carrying out the reaction in the presence of non-aqueous bases, particularly carbonates of alkaline earth and alkali metals, bicarbonates of alkaline earth and alkali metals, and also alkali metal alcoholates of the formula MOR (R=C.sub.1 -C.sub.4 -alkyl, M=alkali metal).

REFERENCES:
patent: 3156690 (1964-11-01), Dexter et al.
patent: 3157651 (1964-11-01), Atkinson et al.

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