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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 324819Erstellt: 25. Oktober 2026

Sodium;azanide;benzyl(triphenyl)phosphanium;bromide → 2,6-Diisopropyl-3-hydroxymethyl-4-(4-fluorophenyl)-5-(3-phenyl-2-propenyl)pyridine

https://huagongshe.com/reaction/324819

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktSodium;azanide;benzyl(triphenyl)phosphanium;bromideHCID 16211268—
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-phenyl-2-propenyl)pyridineHCID 54572063—

Reaktionsschritte

The title compound was prepared from the intermediate obtained in Step A and benzyl triphenylphosphonium bromide/sodium amide according to the procedures described in Example 1, Steps F-G. The product was obtained as a 6:4 mixture of trans:cis isomers. 1H NMR (300 MHz, CDCl3): δ 7.19 (m, 8 H), 6.96 (m, 1 H), 6.32 (d, J=11 Hz, 0.4 H), 6.09 (dt, J=5.5, 16 Hz, 0.6 H), 5.96 (d, J=16 Hz, 0.6 H), 5.45 (dt, J=7, 11 Hz, 0.4 H), 4.37 (d, J=5 Hz, 1.25 H), 4.33 (d, J=5.5 Hz, 0.75 H), 3.41 (m, 1.6 H), 3.25 (m, 2 H), 3.08 (m, 0.4 H), 1.35 (m, 5 H), 1.30 (d, J=6.6 Hz, 5 H), 1.21 (m, 3 H). FAB-MS: calcd for (C27H30FNO) 403, found 404 (M+H). Anal. Calcd for C27H30FNO: C, 80.36; H, 7.49; N, 3.47. Found: C, 80.15; H, 7.44; N, 3.26. mp 72-73° C. Rf=0.3 (20% ethyl acetate/hexane).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS06218431B1
Quelldatensatzuspto-grants-2001_04
ORD IDord-a5f0d071af47416b9fae5a39be99c0f6
Quellennotizuspto-grants-2001_04