5-(2,4-dichlorophenyl)-3,6-diethyl-N-[(1S,2S)-2-methoxy-2,3-dihydro-1H-inden-1-yl]pyrazin-2-amine → 5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-6-methoxy-3-vinylpyrazin-2-amine

Participants

Reaction Steps

Following the procedure for the preparation of 5-(2,4-dichlorophenyl)-3,6-diethyl-N-[(1S,2S)-2-methoxy-2,3-dihydro-1H-inden-1-yl]pyrazin-2-amine but substituting (1R,2S)-1-{[5-(2,4-dichlorophenyl)-6-methoxy-3-vinylpyrazin-2-yl]amino}-2,3-dihydro-1H-inden-2-ol and making non-critical variations provided the title compound as a solid: 1H NMR (CDCl3) δ 1.11–1.14, 3.04–3.08, 3.37–3.44, 3.60–3.68, 3.84, 4.28–4.30, 5.34–5.37, 5.68–5.71, 5.90–5.99, 6.66–6.73, 7.14–7.26, 7.32–7.40; MS (ESI+) for C24H23Cl2N3O2 m/z 456 (M+H)+.

Provenance & Evidence