INHIBITOR CRYSTALLINE FORM AND PREPARATION METHOD AND USE THEREOF

摘要

The present invention relates to a new crystalline form of the inhibitor 5-fluoro-3-phenyl-2-[(S)-1-(9H-purin-6-ylamino)-propyl]-3H-quinazolin-4-one; the new crystalline form, as compared to known forms, has one or more improved properties. The present invention also relates to a method for preparing a new crystalline form of 5-fluoro-3-phenyl-2-[(S)-1-(9H-purin-6-ylamino) -propyl]-3H-quinazolin-4-one, a pharmaceutical composition thereof, and a use thereof in preparation of a pharmaceutical for the treatment and/or prevention of diseases such as chronic lymphocytic leukemia and indolent non-Hodgkin's lymphoma.