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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 229175Erstellt: 24. Oktober 2026

Triethylamine → Diethyl(E)-2-{-4-[cycloheptylidene(4-hydroxyphenyl)methyl]phenyl}ethenylphosphonate

https://huagongshe.com/de/reaction/229175

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktTriethylamineHCID 8471—
EduktDiethyl vinylphosphonateHCID 69629—
EduktTri-o-tolylphosphineHCID 80271—
Edukt4-[(4-Bromophenyl)(cycloheptylidene)methyl]phenolHCID 68654125—
Edukttert-Butyl (2E)-3-{4-[(4-hydroxyphenyl)(tetrahydro-4H-pyran-4-ylidene)methyl]phenyl}prop-2-enoateHCID 86613505—
Katalysatorpalladium(II) acetateHCID 167845—
LösungsmittelDimethylformamideHCID 6228—
ProduktDiethyl(E)-2-{-4-[cycloheptylidene(4-hydroxyphenyl)methyl]phenyl}ethenylphosphonateHCID 8661350828%

Reaktionsschritte

Following the procedure described for compound 47, from 4-[(4-bromophenyl)cycloheptylidene)methyl]phenol (9) (0.146 g, 0.409 mmole), diethyl vinylphosphonate (0.190 mL, 1.24 mmole), P(o-tolyl)3 (0.0123 g, 0.0404 mmole), Et3N (0.170 mL, 1.22 mmole), Pd(OAc)2 (0.0046 g, 0.0205 mmole) and DMF (1.5 mL) yielded 63 (0.0502 g, 28%) as a white solid. 1H NMR (DMSO-d6): δ 9.28 (s, 1H), 7.57 (d, J=8.3 Hz, 2H), 7.30 (dd, J=22.7, 17.6 Hz, 1H), 7.11 (d, J=8.3 Hz, 2H), 6.89 (d, J=8.4 Hz, 2H), 6.65 (d, J=8.4 Hz, 2H), 6.48 (dd, J=22.7, 17.6 Hz, 1H), 4.01-3.91 (m, 4H), 2.20 (m, 4H), 1.50 (m, 8H), 1.21 (m, 6H).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS07560589B2
Quelldatensatzuspto-grants-2009_07
ORD IDord-1b1b15e18c6645a29627d07f30a23824
Quellennotizuspto-grants-2009_07