Process for production of N-substituted carbazoles

Details Process for production of N-substituted carbazoles Process for production of N-substituted carbazoles

1993-02-19

1993-10-19

Ramsuer, Robert W.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548445, C07D20986, C07D20988

Patent

active

052547000

ABSTRACT:
There is disclosed a process for the production of N-substituted carbazoles with high efficiency, in which a carbazole compound is reacted with an appropriate halogenated compound in an inert solvent in the presence of an acid-removing agent and an amine without using any quaternary ammonium salt which is required in the conventional process.

REFERENCES:
CA. 63, 18008C (1965).
CA. 82, 45003m (1975).
CA. 84, 30793n (1976).
Advances in Heterocyclic Chemistry, vol. 35, pp. 96-100 (1984).
Y. Hosoda "Senryo Kagaki", Gihodo (1966), p. 799 (with partial English translation).
Bull. Chem. Soc. Jpn. 54, pp. 1897-1898 (1981).
CA. 18, 81 (1924).
CA. 32, 7915 (1938).
CA. 63, 565d (1965).

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