PROCESS FOR MAKING (R) -3-(2,3-DIHYDROXYPROPYL)-6-FLUORO-5-(2-FLOURO-4-IODOPHENYLAMINO)-8-METHYLPYRIDO[2,3-d]PYRIMIDINE-4,7(3H,8H)-DIONE AND INTERMEDIATES THEREOF

摘要

The present invention relates generally to processes of making (R)-3-(2,3-Dihydroxypropyl)-6-fluoro-5-(2-fluoro-4-iodophenylamino)-8-methylpyrido[2,3-d]pyrimidine-4,7(3H,8H)-dione, intermediates thereof, and a process for making a particular polymorph of (R)-3-(2,3-Dihydroxypropyl)-6-fluoro-5-(2-fluoro-4-iodophenylamino)-8-methylpyrido[2,3-d]pyrimidine-4,7(3H,8H)-dione.