Process for producing indoline derivative

Details Process for producing indoline derivative Process for producing indoline derivative

1979-10-03

1981-07-28

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20908

Patent

active

042809584

ABSTRACT:
An indoline derivative having the formula ##STR1## is produced by a cyclization of 2-halogenophenethylamine having the formula ##STR2## wherein R.sub.1 represents a hydrogen atom or a lower alkyl, a lower alkoxyl, nitro or hydroxyl group; R.sub.2 represents a hydrogen atom or a lower alkoxyl or nitro group; and R.sub.3 represents a hydrogen atom, a lower alkyl, a substituted lower alkyl or a substituted amino group; and X represents a halogen atom in the presence of a copper type catalyst and an amine which is selected from the group consisting of (1) compounds having the formula

REFERENCES:
patent: 4087442 (1978-05-01), Nakayama et al.
patent: 4159271 (1979-06-01), Sano et al.
W. Houlihan (ed.), Indoles, Part One, pp. 464-465, Wiley-Interscience, N.Y., (1972).
R. Sundberg, The Chem. of Indoles, p. 197, Academic Press, N.Y., (1970).
R. Morrison, et al., Org. Chem. pp. 740, 743-744, Allyn & Bacon, Boston, (1967).

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