Ethyl 3-(2,3-difluoro-4-hydroxyphenyl)propanoate → HCID 85472224, compound

Participants

Reaction Steps

The title compound was prepared according to the procedure described in Example 127 following Steps 6 and 7 by coupling 3-chloro-4-(chloromethyl)-5-(4-ethylphenyl)isothiazole and ethyl 3-(4-hydroxy-2,3-difluorophenyl)propanoate to afford the desired product as an off-white solid. 1H NMR (300 MHz, CD3OD) δ 7.36 (d, J=8.1 Hz, 2H), 7.26 (d, J=8.1 Hz, 2H), 6.87 (t, J=8.4 Hz, 1H), 6.76 (t, J=8.7 Hz, 1H), 4.96 (s, 2H), 2.82 (t, J=7.5 Hz, 2H), 2.61 (q, J=7.5, 15.2 Hz, 2H), 2.49 (t, J=7.5 Hz, 2H), 1.15 (t, J=7.5 Hz, 3H). Mass spectrum (ESI, m/z): Calcd. for C21H18ClF2NO3S, 438.1 (M+H). found 438.1.

Provenance & Evidence