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HRID 324821Erstellt: 24. Oktober 2026

Phosphonium, ((4-methylphenyl)methyl)triphenyl-, bromide (1:1) → 2,6-Diisopropyl-3-hydroxymethyl-4-(4-fluorophenyl)-5-[3-(4methyl-phenyl)propyl]pyridine

https://huagongshe.com/de/reaction/324821

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktPhosphonium, ((4-methylphenyl)methyl)triphenyl-, bromide (1:1)HCID 11797662—
EduktMethyl-2,6-diisopropyl-4-(4-fluorophenyl)-5-(2-oxoethyl)-3-pyridinecarboxylateHCID 22005171—
LösungsmittelEthyl acetate hexaneHCID 21226206—
Produkt2,6-Diisopropyl-3-hydroxymethyl-4-(4-fluorophenyl)-5-[3-(4methyl-phenyl)propyl]pyridineHCID 22004997—

Reaktionsschritte

The title compound was prepared from methyl-2,6-diisopropyl-4-(4-fluorophenyl)-5-(2-oxoethyl)-3-pyridinecarboxylate (Example 82, Step A) and 4-methylbenzyl triphenylphosphonium bromide according to the procedures described in Example 1, Steps F-H. 1H NMR (300 MHz, CDCl3): δ 7.08 (m, 4 H), 7.01 (d, J=8 Hz, 2 H), 6.85 (d, J=8 Hz, 2 H), 4.30 (s, 2 H), 3.39 (sept, J=6.6 Hz, 1 H), 3.13 (sept, J=6.6 Hz, 1 H), 2.41 (t, J=7 Hz, 2 H), 2.31 (s, 3 H), 2.27 (m, 2 H), 1.58 (m, 2 H), 1.31 (d, J=6.6 Hz, 6 H), 1.26 (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, 80.33; H, 8.28; N, 3.22. mp 79-80° C. Rf=0.4 (20% ethyl acetate/hexane).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS06218431B1
Quelldatensatzuspto-grants-2001_04
ORD IDord-bb4bea289c554795abf98ceac614cb51
Quellennotizuspto-grants-2001_04