申请人:VISHNU NEWADKAR RAVINDRANATH
公开号:US20110275825A1
公开(公告)日:2011-11-10
The invention relates to a method and compounds for the preparation of clevidipine butyrate, a very short acting hypertensive calcium antagonist, as well as the synthesis of these compounds useful for the preparation of clevidipine (also known as clevidipine butyrate). Moreover the invention also discloses polymorphic forms of clevidipine butyrate, useful for the preparation of pharmaceutical compositions, and processes to prepare them.
该发明涉及一种用于制备克莱维地平丁酸酯的方法和化合物,克莱维地平丁酸酯是一种作用时间非常短的高血压钙拮抗剂,以及用于制备克莱维地平(也称为克莱维地平丁酸酯)的这些化合物的合成。此外,该发明还揭示了克莱维地平丁酸酯的多态形式,用于制备药物组合物,并揭示了用于制备这些多态形式的方法。