5-[2-(4-{[4-(1H-tetrazol-1-yl)phenyl]acetyl}piperazin-1-yl)propyl]-2-benzofuran-1(3H)-one → 6-(4-{[4-(1H-Tetrazol-1-yl)phenyl]acetyl}piperazin-1-yl)-5,6,7,8-tetrahydronaphtho [2,3-c]furan-1(3H)-one

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Reaction Steps

6-(4-{[4-(1H-Tetrazol-1-yl)phenyl]acetyl}piperazin-1-yl)-5,6,7,8-tetrahydronaphtho[2,3-c]furan-1(3H)-one was prepared in an analogous fashion to that described above for the synthesis of 5-[2-(4-{[4-(1H-tetrazol-1-yl)phenyl]acetyl}piperazin-1-yl)propyl]-2-benzofuran-1(3H)-one starting from 1-(piperazin-1-yl)-2-[4-(1H-tetrazol-1-yl)phenyl]ethanone hydrochloride and 7,8-dihydronaphtho[2,3-c]furan-1,6(3H, 5H)-dione. LC/MS: [(M+1)]+=459.

Provenance & Evidence