115956-04-2Relevant articles and documents
Polymorphic Forms of Dolasetron Base and Processes of Preparing Dolasetron Base, Its Polymorphic Forms and Salt Thereof
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Page/Page column 10, (2008/12/08)
The present disclosure relates to a process for the preparation of endo-hexahydro-8-(3-indolylcarbonyloxy)-2,6-methano-2H-quinolizin-3(4H)-one or Dolasetron base. It also discloses a process for the preparation of endo-hexahydro-8-(3-indolylcarbonyloxy)-2,6-methano-2H-quinolizin-3(4H)-one mesylate or Dolasetron mesylate. Further, the present disclosure relates to a process for producing Form I of Dolasetron base, and to the novel crystalline polymorphs, Form II, III, IV and V of Dolasetron base and industrial processes for producing them.
Use of certain esters of hexahydro-8-hydroxy-2,6-methano-2H-quinolozin-3(4H)-one and related compounds for treating cognitive disorders
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, (2008/06/13)
This invention relates to the manufacture of certain esters of hexahydro-8-hydroxy-2,6-methano-2H-quinolizin-3(4H)-one and hexahydro-8-hydroxy-2,6-methano-2H-quinolizines and their use as medicaments in the treatment of cognitive disorders.
Esters of hexahydro-8-hydroxy-2,6-methano-2H-quinolizin-3-(4H)-one and related compounds
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, (2008/06/13)
The present invention is directed to a group of esters of hexahydro-8-hydroxy-2,6-methano-2H-quinolizin-3(3H)-ones and related compounds. The compounds are prepared from the appropriate carboxylic acids and alcohols by standard procedures or, where steric factors are significant, a new process which makes use of heavy metal salts of super acids can be used. The compounds involved are useful in the treatment of migraine and similar disorders and in cytotoxic drug-induced vomiting.