Racemic and optically active octahydro-indolo(2,3-a) tetrahydrop

Details Racemic and optically active octahydro-indolo(2,3-a) tetrahydrop Racemic and optically active octahydro-indolo(2,3-a) tetrahydrop

1990-06-21

1992-06-16

Rivers, Diana G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 70, 546 51, C07D45500, C07D46100

Patent

active

051226073

ABSTRACT:
New intermediate compounds are disclosed of the formula I, ##STR1## wherein R.sub.1 and R.sub.2 are independently alkyl having 1 to 4 carbon atoms,
or acid-addition salts thereof of formula Ib, ##STR2## wherein X represents an acid residue, and a process for the preparation of the intermediate compounds.

REFERENCES:
patent: 4138489 (1979-02-01), Thal et al.
patent: 4345082 (1982-08-01), Szantay et al.
patent: 4456607 (1984-06-01), Szantay et al.
patent: 4464534 (1984-08-01), Szantay et al.
patent: 4464535 (1984-08-01), Szantay et al.
patent: 4474960 (1984-10-01), Szantay et al.

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