Certain hexahydro-6-arylpyrrolo[2,1-A]isoquinolines
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United States of America Patent
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Mar 13, 1990
Issued Date -
N/A
app pub date -
Jan 31, 1989
filing date -
Feb 16, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A diastereoselective process for known antidepressive compounds (I) via reduction of the corresponding alcohol (VII): ##STR1## whereby the product mixture of diastereomers is surprisingly and unexpectedly rich in the content of the trans configuration (II) over the cis configuration (III) as defined in the following formulae: ##STR2## The preferred reaction conditions include use of a borane complex as the reducing agent and an acidic solvent such as trifuloroacetic acid.
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