Ring Closure of Heterocyclic Systems by Potassium-Graphite Intercalat - C8K

DOI: 10.1055/s-1987-27889

Source and publish data:

Synthesis p. 196 - 197 (1987)

Update date:2022-08-29

Topics:

Authors:

Tamarkin, Dov

Cohen, Yoram

Rabinovitz, Mordecai

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Article abstract of DOI:10.1055/s-1987-27889

Potassium-graphite intercalate C8K is the reagent of choice for the ring closure of the dianions of 2,3-diarylquinoxalines derivatives 1-3 to the dianions of dibenzophenazine derivatives 4-6 in high yields and high degree of purity.This process appears to occur via a thermal electrocyclic process of the dianions.

Full text of DOI:10.1055/s-1987-27889

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