摘要:
The present invention provides substantially pure cilostazol. The present invention also provides cilostazol particles that have reduced particle size.
摘要:
The present invention provides substantially pure cilostazol. The present invention also provides cilostazol particles that have reduced particle size.
摘要:
In one of the embodiments, the present invention provides a racemization process comprising: removing the organic solvent from a mother liquor comprising R-zopiclone malate, eszopiclone malate and an organic solvent to obtain a mixture of R-zopiclone malate and eszopiclone malate; mixing the mixture with water to obtain a solution; neutralizing R-zopiclone malate and eszopiclone malate in the solution to obtain a precipitate of R-zopiclone and eszopiclone; filtering the precipitate; mixing the precipitate of R-zopiclone and eszopiclone with DBU and an organic inert solvent having a boiling point of at least 80° C.; heating; and cooling to obtain a zopiclone racemate.
摘要:
The invention encompasses amorphous eletriptan hydrobromide, processes for preparing it and pharmaceutical compositions of it. The invention also relates to processes for preparing other forms of eletriptan hydrobromide such as Form α and Form β.