Abstract:
An amorphous form of ramelteon is provided, as well as mixtures of amorphous and crystalline ramelteon. Also provided are methods of preparing amorphous ramelteon and mixtures of amorphous and crystalline ramelteon, pharmaceutical compositions comprising amorphous ramelteon and mixtures of amorphous and crystalline ramelteon, and methods of treatment of insomnia using the compositions of the invention.
Abstract:
Processes for preparing solifenacin comprising distilling ethanol and organic solvent from a reaction mixture and recycling the organic solvent are described. Also described are processes for reducing solifenacin diastereomeric and enantiomeric impurities.
Abstract:
Processes of preparing an ezetimibe intermediate by microbial reduction and further converting the intermediate to ezetimibe are provided. Also provided is an ezetimibe intermediate with high diastereomeric excess.