Processes for preparing [2S-(2.alpha.,3a.beta.,7a.beta.)]octahyd

Details Processes for preparing [2S-(2.alpha.,3a.beta.,7a.beta.)]octahyd Processes for preparing [2S-(2.alpha.,3a.beta.,7a.beta.)]octahyd

1991-03-27

1993-11-02

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20904

Patent

active

052585255

ABSTRACT:
The processes provide for the preparation of a [2S-(2.alpha., 3a.beta., 7a.beta.)]-octahydro-lH-indole-2-carboxylic ester from an ester precursor by a stereospecific hydrogenation at a pressure below about 400 psi. In addition, the processes provide for the preparation of [2S-(2.alpha.m 3a.beta., 7a.beta.)]-octahydro-lH-indole-2-carboxylic acid or a ester thereof by the hydrogenation of a (2S)-2-carboxyindoline acid precursor.

REFERENCES:
CA 109:231529qg Synthesis . . . 59780. Pichat et al., p. 915, 1988.
Journal of Labelled Compounds and Radiopharmaceuticals--vol. XXV, No. 5 Pichat et al., 1988.

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