5-Bromo-2-chloroanisole → 1-(4-Chloro-3-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

HRID 2063859Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2063859
[CH3:1][C:2]1([CH3:20])[CH2:6][C:5]2[C:7]([CH3:19])=[C:8]([N:13]3[CH2:18][CH2:17][NH:16][CH2:15][CH2:14]3)[C:9]([CH3:12])=[C:10]([CH3:11])[C:4]=2[O:3]1.Br[C:22]1[CH:27]=[CH:26][C:25]([Cl:28])=[C:24]([O:29][CH3:30])[CH:23]=1>>[Cl:28][C:25]1[CH:26]=[CH:27][C:22]([N:16]2[CH2:15][CH2:14][N:13]([C:8]3[C:9]([CH3:12])=[C:10]([CH3:11])[C:4]4[O:3][C:2]([CH3:20])([CH3:1])[CH2:6][C:5]=4[C:7]=3[CH3:19])[CH2:18][CH2:17]2)=[CH:23][C:24]=1[O:29][CH3:30]

Komponenten

3

Edukt 2

HCID 27695675-Bromo-2-chloroanisoleHCID 667597311-(2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

Produkt 1

HCID 594850581-(4-Chloro-3-methoxyphenyl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineAusbeute 24,1 %

Versuchsvorschrift

By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (274 mg, 1.00 mmol) synthesized in Reference example 61 and 4-bromo-1-chloro-2-methoxybenzene (332 mg, 1.50 mmol), the reaction was carried out in the same manner as Example 23 to obtain the title compound 100 mg (yield 24%). Melting point was 168 to 171° C. (ethyl acetate-hexane).

Quellen und Nachweise

ORD-Eintrag
ord-5078f6ec9efa4aa3b83e7287982092ab
Quelldatensatz
uspto-grants-2012_10
Patentnummer
US08288390B2

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