PROCESS FOR THE PREPARATION OF MONTELUKAST, AND INTERMEDIATES THEREFOR

The invention relates to processes for making montelukast and to intermediates for use in the process, in particular compounds of formulas 2-7: L=OAc, OTs, OTf5OMs; where X=Cl, Br, I.

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Bibliographic Details
Main Authors RAO DHARMARAJ RAMACHANDRA, KANKAN RAJENDRA NARAYANRAO, PHULL MANJINDER SINGH, PATHI SRINIVAS LAXMINARAYAN
Format Patent
LanguageEnglish
Korean
Published 23.07.2009
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:The invention relates to processes for making montelukast and to intermediates for use in the process, in particular compounds of formulas 2-7: L=OAc, OTs, OTf5OMs; where X=Cl, Br, I.
Bibliography:Application Number: KR20097007626