The invention relates to a novel method and novel compounds for the preparation of clevidipine butyrate, a very short acting hypertensive calcium antagonist, as well as the synthesis of these new compounds useful for the preparation of clevidipine (also known as clevidipine butyrate). Moreover the invention also discloses new polymorphic forms of clevidipine butyrate, useful for the preparation of pharmaceutical compositions, and processes to prepare them.
本发明涉及一种新的方法和新的化合物,用于制备克列维地平丁酯,一种非常短效的高血压
钙拮抗剂,以及合成这些新化合物,用于制备克列维地平(也称克列维地平丁酯)。此外,本发明还揭示了克列维地平丁酯的新的多形态形式,有用于制备药物组成物的,以及制备它们的过程。