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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 70968Erstellt: 25. Oktober 2026

Dimethylacetamide → N-[1-Cyano-2-(4-cyano-6-trifluoromethyl-2H-benzotriazol-2-yl)-1-methylethyl]-4-trifluoromethoxybenzamide

https://huagongshe.com/reaction/70968

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktDimethylacetamideHCID 31374—
Edukt(1,1'-Binaphthalen)-2-yldi-tert-butylphosphineHCID 2734941—
EduktN-[2-(4-Chloro-6-trifluoromethyl-2H-benzotriazol-2-yl)-1-cyano-1-methylethyl]-4-trifluoromethoxybenzamideHCID 25122649—
KatalysatorZinc cyanide (Zn(CN)2)HCID 11186—
KatalysatorZincHCID 23994—
KatalysatorPalladium(II) trifluoroacetateHCID 2733347—
ProduktN-[1-Cyano-2-(4-cyano-6-trifluoromethyl-2H-benzotriazol-2-yl)-1-methylethyl]-4-trifluoromethoxybenzamideHCID 8662557263%

Reaktionsschritte

N-[2-(4-Chloro-6-trifluoromethyl-2H-benzotriazol-2-yl)-1-cyano-1-methylethyl]-4-trifluoromethoxybenzamide (100 mg, described in Example 19), zinc cyanide (50 mg), zinc powder (10 mg), 2-di-t-butylphosphino-1,1′-binaphthyl (40 mg) and palladium trifluoroacetate (34 mg) were heated under nitrogen in degassed dimethylacetamide (1 mL) at 100° C. overnight. The mixture was concentrated under reduced pressure to give a residue that was purified by chromatography (SiO2, heptane/EA) to afford the title compound as a white solid (62 mg, 63%). Rf=0.6 (1:1 EA/heptane). MS (ES): M/Z [M+H]=483. NMR: (400 MHz, DMSO-d6): 1.77 (s, 3H), 5.56 (d, J=13.3 Hz, 1H), 5.66 (d, J=13.3 Hz, 1H), 7.49 (d, J=8.2 Hz, 2H), 7.92 (d, J=8.6 Hz, 2H), 8.59 (s, 1H), 8.90 (s, 1H) and 9.02 (s, 1H). 19F NMR (376 MHz, DMSO-d6): −61.0 (s, 3F) and −57.1 (s, 3F).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08822689B2
Quelldatensatzuspto-grants-2014_09
ORD IDord-d1d7cea35fac48569757309e62d2b976
Quellennotizuspto-grants-2014_09