4-(1H-Pyrazol-1-yl)benzaldehyde → {3-[(4-Pyrazol-1-yl-benzylamino)-methyl]-phenoxy}-acetic acid tert-butyl ester

Participants

Reaction Steps

The title compound of Step A was prepared from (3-aminomethyl-phenoxy)-acetic acid tert-butyl ester, of Preparation 20, and 4-pyrazol-1-yl-benzaldehyde, of Preparation 42, using the method described in Example 3, Step A, except no triethylamine was used. 1H NMR (400 MHz, CDCl3)δ 7.90 (m, 1H), 7.70 (m, 1H), 7.63 (d, 2H), 7.41 (d, 2H), 7.23 (m, 1H), 6.94 (m, 2H), 6.78 (dd, 1H), 6.44 (dd, 1H), 4.51 (s, 2H), 3.81 (s, 2H), 3.77 (s, 2H), 1.47 (s, 9H); MS 394 (M+1).

Provenance & Evidence