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

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Reaction Steps

Following the procedure for the preparation of 5-(2,4-dichlorophenyl)-N-[(1R,2S)-2-ethoxy-2,3-dihydro-1H-inden-1-yl]-3,6-diethylpyrazin-2-amine but substituting 1-iodopropane and making non-critical variations provided the title compound as a light yellow syrup. IR (liq.) 3446, 2967, 2935, 2875, 1564, 1552, 1497, 1470, 1392, 1206, 1184, 1101, 1091, 1082, 748 cm−1; OAMS supporting ions at: ESI+ 469.9; MS (EI) m/z 469 (M+); [α]25D=−98 (c 0.91, methylene chloride); Anal. Calcd for C26H29Cl2N3O: C, 66.38; H, 6.21; N, 8.93. Found: C, 66.53; H, 6.15; N, 9.05.

Provenance & Evidence