C07J33/005

Methods of making onapristone intermediates

Methods and systems for making intermediates in the synthesis of onapristone are provided. Aspects include the photoconversion of onapristone synthesis intermediates using a narrow band frequency light source.

METHODS OF MAKING ONAPRISTONE INTERMEDIATES

Methods and systems for making intermediates in the synthesis of onapristone are provided. Aspects include the photoconversion of onapristone synthesis intermediates using a narrow band frequency light source.