1-Bromo-7-(4-fluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid butyl ester → 1-Cyano-7-(4-fluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid butyl ester

Participants

Reaction Steps

This compound was synthesized from 1-bromo-7-(4-fluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid butyl ester (prepared as shown in Scheme 2, according to US 2004/0254215 A1, 1H NMR (CDCl3) δ=11.89 (s, 1H), 8.36 (d, 1H), 7.57 (d, 1H), 7.44 to 7.50 (m, 1H), 7.08 to 7.16 (m, 4H), 4.47 (t, 2H), 1.78 to 1.93 (m, 2H), 1.38 to 1.58 (m, 2H), 0.99 (t, 3H)) and CuCN in analogy to Example 3(a)); MS-(−)-ion: M−1=379.2.

Provenance & Evidence