(2-Methylbenzyl)triphenylphosphonium bromide → 2,6-Diisopropyl-3-hydroxymethyl-4-(4-fluorophenyl)-5-[3-(2-methylphenyl)propyl]pyridine

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Reaction Steps

The title compound was prepared from methyl-2,6-diisopropyl-4(4-fluorophenyl)-5-(2-oxoethyl)-3-pyridinecarboxylate (Example 82, Step A) and 2-methylbenzyl triphenylphosphonium bromide according to the procedures described in Example 1, Steps F-H. 1H NMR (300 MHz, CDCl3): δ 7.07 (m, 7 H), 6.90 (m, 1 H), 4.31 (s, 2 H), 3.39 (sept, J=6.6 Hz, 1 H), 3.15 (sept, J=6.6 Hz, 1 H), 2.43 (t, J=7.5 Hz, 2 H), 2.34 (m, 2 H), 2.17 (s, 3 H), 1.6 (m, 2 H), 1.31 (d, J=6.6 Hz, 6 H), 1.27 (d, J=6.6 Hz, 6 H), 1.15 (m, 1 H). FAB-MS: calcd for (C28H34FNO) 419, found 420 (M+H). Anal. Calcd for C28H34FNO: C, 80.15; H, 8.17; N, 3.34. Found: C, 80.12; H, 8.01; N, 3.25. mp 65-70° C. Rf=0.4 (20% ethyl acetate/hexane).

Provenance & Evidence