tert-Butyl (2S)-2-(aminomethyl)pyrrolidine-1-carboxylate → HCID 86696430, compound

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Reaction Steps

The 1-(6-chloroimidazo[1,2-b]pyridazin-3-yl)pyrrolidin-2-one was reacted with (S)-tert-butyl 2-(aminomethyl)pyrrolidine-1-carboxylate using the amine displacement conditions described in example 5.6.42, Part A to afford the desired product in 73% yield. 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 1.38-1.46 (m, 10H) 1.71 (br. s., 1H) 1.80-1.91 (m, 2H) 1.95-2.08 (m, 1H) 2.22 (quin, J=7.55 Hz, 2H) 2.50-2.58 (m, 2H) 3.22-3.41 (m, 4H) 3.90 (q, J=6.69 Hz, 2H) 4.16 (br. s., 1H) 6.40 (d, J=9.70 Hz, 1H) 7.44 (s, 1H) 7.54 (d, J=9.70 Hz, 1H); LRMS (ESI) m/401.0 [(M+H)+, calcd for C20H28N6O3 400.0].

Provenance & Evidence