3-(Bromomethyl)pyridine → (2R,1S)-2-(4-chlorophenyl)-1'-(pyridin-3-ylmethyl)spiro[cyclopropane-1,3'-indolin]-2'-one

Participants

Reaction Steps

The title compound was prepared in analogy to Example 78 starting from 3-bromomethyl-pyridine (commercially available), (1R,2S) and (1S,2R)-2-(4-chlorophenyl)spiro[cyclopropane-1,3′-indolin]-2′-one prepared as in Scheme 1. LC/MS m/e calcd. for C29H27ClN2O2: 470, observed (M+H)+: 471.2 1HNMR (400 MHz, MeOD-d4) δppm 2.25 (dd, J=8.59, 1.77 Hz, 2 H) 3.31 (br. s., 1 H) 5.28 (d, J=3.03 Hz, 2 H) 6.12 (d, J=7.58 Hz, 1 H) 6.71-6.85 (m, 1 H) 7.03 (d, J=8.08 Hz, 1 H) 7.12-7.19 (m, 1 H) 7.21-7.29 (m, 2 H) 7.30-7.39 (m, 2 H) 7.86-7.99 (m, 1 H) 8.40 (d, J=8.59 Hz, 1 H) 8.74 (d, J=5.31 Hz, 1 H) 8.84 (s, 1 H).

Provenance & Evidence