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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 45929Erstellt: 23. Oktober 2026

1-Phenethylamine → N-(1-Phenylethyl)-3H-benzo[d]imidazol-5-amine

https://huagongshe.com/de/reaction/45929

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt1-PhenethylamineHCID 7408—
EduktTetrahydrofuranHCID 8028—
Edukt6-Bromo-1H-benzimidazoleHCID 785299—
EduktLithium HexamethyldisilazideHCID 2733832—
Edukt2-(Dicyclohexylphosphino)-2'-(dimethylamino)biphenylHCID 2734217—
KatalysatorBis(dibenzylideneacetone)palladiumHCID 9811564—
ProduktN-(1-Phenylethyl)-3H-benzo[d]imidazol-5-amineHCID 67446293—

Reaktionsschritte

The compound was synthesized starting from 5-bromobenzimidazole (200 mg; 1 mmol; 1 eq.), 1-phenylethylamine (145 mg; 0.154 ml; 1.2 mmol; 1.2 eq.), 2-dicyclohexylphosphino-2′-(N,N-dimethylamino)biphenyl (9 mg; 0.024 mmol; 0.024 eq.; 2.4 mol %), Pd2 dba3 (9 mg; 0.01 mmol; 0.01 eq.; 1 mol %) and lithiumbis(trimethylsilyl)amide 1 M in THF (2.2 ml; 2.2 mmol; 2.2 eq.) according to method 1; Yield: 0.069 mg (29.1%); MS m/z: 238.1 [M+H]+; 1H-NMR (500 MHz, DMSO d6): δ 1.42 (d, 3H, 3J=7.0 Hz); 4.44 (quin, 1H, 3J=6.7 Hz); 5.97 (br s, 1H); 6.34 (br s, 1H); 6.59-6.60 (m, 1H); 7.13-7.16 (m, 1H); 7.24-7.28 (m, 3H); 7.38-7.39 (m, 2H); 7.77 (s, 1H); 11.74 (br s, 1H); HPLC (METHOD [A]): rt 11.42 min (90.3%)

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08541596B2
Quelldatensatzuspto-grants-2013_09
ORD IDord-9813c14b57ec4bf1bfa0a81c10400930
Quellennotizuspto-grants-2013_09