tert-Butyl piperazine-1-carboxylate → 4-{6-Trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazol-4-yl}-piperazine-1-carboxylic acid tert-butyl ester

HRID 912913Notes

Reaction equation

HRID 912913 reaction equation
Br[C:2]1[C:10]2[N:9]=[C:8]([N:11]3[CH2:16][CH2:15][N:14]([C:17]4[C:22]([C:23]([F:26])([F:25])[F:24])=[CH:21][CH:20]=[CH:19][N:18]=4)[CH2:13][CH2:12]3)[N:7](COCC[Si](C)(C)C)[C:6]=2[CH:5]=[C:4]([C:35]([F:38])([F:37])[F:36])[CH:3]=1.[C:39]([O:43][C:44]([N:46]1[CH2:51][CH2:50][NH:49][CH2:48][CH2:47]1)=[O:45])([CH3:42])([CH3:41])[CH3:40]>>[C:39]([O:43][C:44]([N:46]1[CH2:51][CH2:50][N:49]([C:2]2[C:10]3[N:9]=[C:8]([N:11]4[CH2:12][CH2:13][N:14]([C:17]5[C:22]([C:23]([F:26])([F:25])[F:24])=[CH:21][CH:20]=[CH:19][N:18]=5)[CH2:15][CH2:16]4)[NH:7][C:6]=3[CH:5]=[C:4]([C:35]([F:37])([F:38])[F:36])[CH:3]=2)[CH2:48][CH2:47]1)=[O:45])([CH3:42])([CH3:40])[CH3:41]

Participants

3

Reactant 2

HCID 143452tert-Butyl piperazine-1-carboxylateHCID 115201274-Bromo-6-trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1-(2-trimethylsilanyl-ethoxymethyl)-1H-benzoimidazole

Product 1

HCID 865938324-{6-Trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazol-4-yl}-piperazine-1-carboxylic acid tert-butyl ester

Procedure

4-Bromo-6-trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1-(2-trimethylsilanyl-ethoxymethyl)-1H-benzoimidazole from Example 146a reacted with piperazine-1-carboxylic acid tert-butyl ester under the conditions of Example 127b to give the title compound.

Sources & evidence

ORD record
ord-8fe5075f3f9d4589a2ee4455eedf4c4d
Source dataset
uspto-grants-2011_09
Patent number
US08026241B2

Reaction notes

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