(S)-(+)-1-(2-Pyrrolidinylmethyl)pyrrolidine → 1-[(2,5-Difluorophenyl)methyl]-3,4-dihydro-7-[4-[[(2S)-2-(1-pyrrolidinylmethyl)-1-pyrrolidinyl]carbonyl]phenyl]pyrido[2,3-b]pyrazin-2(1H)-one

Participants

Reaction Steps

4-[1-(2,5-Difluorobenzyl)-2-oxo-1,2,3,4-tetrahydropyrido[2,3-b]pyrazin-7-yl]benzoic acid (35 mg) was reacted with (S)-(+)-1-(2-pyrrolidinylmethyl)pyrrolidine as in General Procedure 8 to give the title compound as a white solid (32% yield). M.p. 125° C., LCMS: m/z=532.10 (M+H+), 1H-NMR (CDCl3, 400 MHz) δ 1.22-1.26 (m, 2H), 1.68-1.82 (m, 4H), 1.89-2.15 (m, 4H), 2.56-2.70 (m, 3H), 2.80-2.90 (m, 1H), 3.42-3.52 (m, 1H), 4.33 (s, 2H), 4.43-4.50 (m, 1H), 5.02 (bs, 1H), 5.22 (s, 2H), 6.91-6.98 (m, 2H), 7.04-7.10 (m, 1H), 7.21 (d, J=1.5 Hz, 1H), 7.39 (d, J=8.1 Hz, 2H), 7.54 (bd, J=7.6 Hz, 2H), 8.01 (d, J=1.5 Hz, 2H).

Provenance & Evidence