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HRID 418893Erstellt: 24. Oktober 2026

Ethanol → [2-(3-Methoxy-phenyl)-cyclohexyl]-acetic acid ethyl ester

https://huagongshe.com/de/reaction/418893

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktEthanolHCID 702—
Edukt1-(3-Methoxyphenyl)-2-(ethoxycarbonylmethyl)cyclohexeneHCID 19358488—
KatalysatorPalladiumHCID 23938—
LösungsmittelTetrahydrofuranHCID 8028—
Produkt[2-(3-Methoxy-phenyl)-cyclohexyl]-acetic acid ethyl esterHCID 6665196189,4%

Reaktionsschritte

Combine [2-(3-methoxy-phenyl)-cyclohex-1-enyl]-acetic acid ethyl ester (9.91 g, 36.0 mmol), 10% Pd on carbon (2.06 g, 14.4 mmol), and ethanol (90 mL) and tetrahydrofuran (5 mL), degas, and add 50 psi H2 at room temperature. After 18 hours, filter off the Pd catalyst over celite eluting with ethyl acetate. Concentrate and flash chromatograph with 0% to 20% ethyl acetate/hexanes to yield the titled compound (8.89 g, 89%) as a clear oil. TLC Rf=0.42 in 6:1 hexanes:ethyl acetate. 1H NMR (CDCl3):1H NMR (CDCl3): 7.21 (t, 1H, J=8.1 Hz), 6.78 (d, 2H, J=7.5 Hz), 6.72 (s, 1H), 3.98 (q, 2H, J=7.0 Hz), 3.80 (m, 3H), 2.89 (m, 1H), 2.51 (m, 1H), 2.31 (m, 1H), 1.97 (m, 1H), 1.88 (m, 1H), 1.72 (m, 4H), 1.44 (m, 3H), 1.16 (t, 3H, J=6.6 Hz).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08093302B2
Quelldatensatzuspto-grants-2012_01
ORD IDord-91d9d590bfe84817ae42a4e90d6f605f
Quellennotizuspto-grants-2012_01