Sodium triacetoxyborohydride → 2-{1-[4-(2-methyl-6-phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-5-yl)benzyl]-piperidin-4-yl}-3H-benzimidazole-5-carbonitrile

HRID 1851272Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1851272
[CH3:1][C:2]1[N:24]=[C:5]2[N:6]=[C:7]([C:16]3[CH:23]=[CH:22][C:19]([CH:20]=O)=[CH:18][CH:17]=3)[C:8]([C:10]3[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=3)=[CH:9][N:4]2[N:3]=1.Cl.[NH:26]1[CH2:31][CH2:30][CH:29]([C:32]2[NH:33][C:34]3[CH:40]=[C:39]([C:41]#[N:42])[CH:38]=[CH:37][C:35]=3[N:36]=2)[CH2:28][CH2:27]1.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>>[CH3:1][C:2]1[N:24]=[C:5]2[N:6]=[C:7]([C:16]3[CH:23]=[CH:22][C:19]([CH2:20][N:26]4[CH2:27][CH2:28][CH:29]([C:32]5[NH:33][C:34]6[CH:40]=[C:39]([C:41]#[N:42])[CH:38]=[CH:37][C:35]=6[N:36]=5)[CH2:30][CH2:31]4)=[CH:18][CH:17]=3)[C:8]([C:10]3[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=3)=[CH:9][N:4]2[N:3]=1

Komponenten

4

Versuchsvorschrift

200 mg (0.64 mmol) 4-(2-methyl-6-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-5-yl)benzaldehyde and 200 mg (0.64 mmol) 2-piperidine-4-yl-3H-benzimidazole-5-carbonitrile hydrochloride salt were treated as described in example 2.0. Additional NaBH(OAc)3 has been added after 24 and 26 hours (two equivalents each). After five days stirring at room temperature the solvents have been evaporated and the residue was purified via chromatography. 121 mg of the desired compound were obtained.

Aufarbeitung

  1. customhave been evaporated
  2. customthe residue was purified via chromatography

Quellen und Nachweise

ORD-Eintrag
ord-fe54f2e972ba4bc2baa2b8ba578f5b38
Quelldatensatz
uspto-grants-2015_02
Patentnummer
US08957064B2

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