The present invention provides a novel process for the preparation of 4-(4-hydroxypyrimidin-2-ylamino)benzonitrile. The present invention also provides a novel process for the preparation of 4-iodo-2,6-dimethyl benzenamine. The present invention further provides an improved process for the preparation of rilpivirine. The present invention further provides a tosylate salt of rilpivirine, process for its preparation and pharmaceutical compositions comprising it.
                            本发明提供了一种制备4-(4-
羟基嘧啶-2-基
氨基)苯腈的新工艺。本发明还提供了一种制备
4-碘-2,6-二甲基苯胺的新工艺。本发明进一步提供了一种改进的rilpivirine制备工艺。本发明还提供了rilpivirine的
甲磺酸盐、其制备工艺以及包含它的药物组合物。