PATENT ASSIGNEE'S COUNTRY | Germany |
UPDATE | 01.00 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS |
Method of synthesis a compd selected from 6,8-dimercapto octanoic acid, (+)-6,8-dihydrolipoic acid, (-)-6,8-dihydrolipoic acid, racemic alpha-lipoic acid, (+)-alpha-lipoic acid & (-)-li poic acid, said method comprising - Reacting enantiomeric pure or racemic 8-Cl-6-sulfonyloxy- octanoic acid or its 1-3C alkyl esters with thiourea - Reacting the obtained compd with alkali hydroxides, alkaline earth hydroxides or tert. amines |
PATENT PHOTOCOPY | Available on request |
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