The present application provides process for preparation of siponimod, intermediates of siponimod, salts of siponimod, polymorphic forms and solid dispersions of siponimod and its salts thereof. The present application specifically provides crystalline polymorphic forms of siponimod base, siponimod hemifumarate and other salts and pharmaceutical compositions thereof. Also provided are solid dispersions of siponimod hemifumarate and pharmaceutical compositions containing them.
本申请提供了西波莫德、西波莫德中间体、西波莫德盐、西波莫德多晶型和固体分散体及其盐的制备工艺。本申请特别提供了西波莫德碱、西波莫德半
富马酸盐和其他盐的结晶多晶型及其药物组合物。本申请还提供了西泊莫德半
富马酸盐的固体分散体和含有它们的药物组合物。