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2-[2-(2,2,2-Trifluoroethoxy)phenoxy]ethyl Methanesulfonate structure

Alpha-1 blocker intermediate

2-[2-(2,2,2-Trifluoroethoxy)phenoxy]ethyl Methanesulfonate

Trifluoroethoxy phenoxy ethyl mesylate — the aryl-ether alkylating agent in silodosin.

CAS No.
160969-03-9
Molecular formula
C₁₁H₁₃F₃O₅S
Mol. weight
314.28 g/mol
Appearance
Off-white solid
API target
Silodosin (CAS 160970-54-7)

Description

This mesylate is used to N-alkylate the chiral indoline-aminopropyl intermediate of silodosin, installing the 2-(trifluoroethoxy)phenoxy ethyl side chain that delivers the selectivity for the α1A-adrenoceptor.

Applications

  • Silodosin manufacture