C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 239/54 (2006.01) C07D 239/553 (2006.01) C07D 409/12 (2006.01) C07F 9/6512 (2006.01)
Patent
CA 2267510
The process is useful for making .alpha.1L-adrenoceptor antagonist compounds of the formula I: (see formula I) wherein R is hydrogen, methyl, or fluoro. Valuable intermediates in this process include: (see formulas IV and V) wherein R is hydrogen, methyl, or fluoro, and L is a leaving group.
Chapman Robert Clark
Perkins Jolyon
F. Hoffmann-La Roche Ag
Gowling Lafleur Henderson Llp
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