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HRID 272716Erstellt: 25. Oktober 2026

Tetraethylammonium fluoride hydrate → 7-(4-Hydroxybutoxy)-8-methoxy-3-(3-methoxy-4-nitrophenyl)-5,10-dihydro-11h-dibenzo[b,e][1,4]diazepin-11-one

https://huagongshe.com/reaction/272716

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktTetraethylammonium fluoride hydrateHCID 16211652—
Edukt7-[4-(Tert-butyl-dimethyl-silanyloxy)-butoxy]-8-methoxy-3-(3-methoxy-4-nitro-phenyl)-5,10-dihydro-dibenzo[b,e][1,4]diazepin-11-oneHCID 69218986—
LösungsmittelTetrahydrofuranHCID 8028—
Produkt7-(4-Hydroxybutoxy)-8-methoxy-3-(3-methoxy-4-nitrophenyl)-5,10-dihydro-11h-dibenzo[b,e][1,4]diazepin-11-oneHCID 4445313828%

Reaktionsschritte

A mixture of Example 500A, Et4NF.H2O (10 equiv.) and THF was heated overnight at 65° C., concentrated under vacuum, diluted with ethyl acetate, washed with water and brine, dried (MgSO4), filtered and concentrated under vacuum. The residue was purified by preparative HPLC to provide 50 mg (28%) of the desired product. MS (ESI) m/e 480 (M+H)+; 1H NMR (400 MHz, DMSO-d6) □ 9.63 (s, 1H), 8.01 (d, J=8.6 Hz, 1H), 7.78 (d, J=8.3 Hz, 1H), 7.71 (s, 1H), 7.53 (d, J=1.2 Hz, 1H), 7.35 (dd, J=1.5, 8.6 Hz, 1H), 7.28-7.30 (m, 2H), 6.70 (s, 1H), 6.65 (s, 1H), 4.03 (s, 3H), 3.89 (t, J=6.6 Hz, 2H), 3.67 (s, 3H), 3.44 (t, J=6.4 Hz, 2H), 1.69-1.76 (m, 2H), 1.51-1.58 (m, 2H).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS07456169B2
Quelldatensatzuspto-grants-2008_11
ORD IDord-1b38afa59031419398c964c659393427
Quellennotizuspto-grants-2008_11