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NOVEL PROCESS FOR THE SYNTHESIS OF R-(R*, R*)-2-(4-FLUOROPHENYL)-BETA, DELTA-DIHYDROXY-5-(1-METHYLETHYL)-3-PHENYL-4-(PHENYLAMINO)CARBONYL-1H-PYRROLE-1-HEPTANOIC ACID OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
NOVEL PROCESS FOR THE SYNTHESIS OF R-(R*, R*)-2-(4-FLUOROPHENYL)-BETA, DELTA-DIHYDROXY-5-(1-METHYLETHYL)-3-PHENYL-4-(PHENYLAMINO)CARBONYL-1H-PYRROLE-1-HEPTANOIC ACID OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
An improved synthesis for the preparation of [R-(R*, R*)]-2-(4-fluorophenyl)- β, δ-dihydroxy-5-(1- methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1 H-pyrrole-1-heptanoic acid or a pharmaceutically acceptable salt thereof, as well as other valuable intermediates used in the process, are described. The compounds prepared by a process of the invention are useful in treating hyperlipidemia, hypercholesterolemia, osteoporosis, benign prostatic hyperplasia, or Alzheimer's disease.
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