A Novel Synthetic Approach to Very Late Antigen-4 Antagonist Trans-4-[1-[[2,5-Dichloro-4-(1-Methyl-3-Indolylcarboxyamide)phenyl]acetyl]-(4s)-Methoxy-(2s)-Pyrrolidinylmethoxy]cyclohexanecarboxylic Acid via Tert-Butyl Trans-[(4s)-Methoxy-(2s)-Pyrrolidinylmethoxy]cyclohexanecarboxylate as a Key Intermediate

Chemical and Pharmaceutical Bulletin - Japan

doi 10.1248/cpb.59.574