Process for producing indoline derivatives

Details Process for producing indoline derivatives Process for producing indoline derivatives

1978-01-18

1979-06-26

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20908

Patent

active

041592719

ABSTRACT:
Indoline derivatives having the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are defined below are produced by a cyclization of 2-halogenophenethylamine compounds having the formula ##STR2## wherein R.sub.1 represents hydrogen atom, a lower alkyl, a lower alkoxyl, nitro or hydroxyl group; R.sub.2 represents hydrogen atom; a lower alkoxyl or nitro group; R.sub.3 represents hydrogen atom or a lower alkyl group and at least one of R.sub.1, R.sub.2 and R.sub.3 is a lower alkyl, a lower alkoxyl or nitro group; and X represents a halogen atom, in the presence of a copper type catalyst and ammonia.

REFERENCES:
patent: 2069662 (1937-02-01), Treppenhauer
patent: 3102120 (1963-08-01), Breuer et al.
patent: 3117131 (1964-01-01), Breuer et al.
patent: 4087442 (1978-05-01), Nakayama et al.
Indoles, Part One, Houlihan, ed. Wiley-Interscience, (1972), pp. 462-468.

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