Morpholine → (1S,2R)-2-(4-chlorophenyl)-1'-(3-(morpholine-4-carbonyl)benzyl)spiro[cyclopropane-1,3'-indolin]-2'-one

Participants

Reaction Steps

The title compound was prepared in analogy to Example 60 starting from morpholine, (3-bromomethyl)-benzoate (commercially available) and (1R,2S) and (1S,2R)-3-((2-(4-chlorophenyl)-2′-oxospiro[cyclopropane-1,3′-indoline]-1′-yl)methyl)benzoic acid prepared as in Scheme 1. LC/MS m/e calcd. for C28H25ClN2O3: 472, observed (M+H)+: 473.2 1H NMR (400 MHz, MeOD-d4) δppm 2.15-2.27 (m, 2 H) 3.18-3.36 (m, 1 H) 3.47 (br. s., 4 H) 3.70 (br. s., 4 H) 5.11 (s, 2 H) 6.08 (d, J=7.58 Hz, 1 H) 6.71 (t, J=7.58 Hz, 1 H) 6.88 (d, J=8.08 Hz, 1 H) 7.01-7.12 (m, 1 H) 7.17-7.26 (m, 2 H) 7.25-7.40 (m, 4 H) 7.43-7.56 (m, 2 H).

Provenance & Evidence