tert-butyl 4-[(2-{4-[(7-chloro-4-methyl-1H-indol-5-yl)amino]-5-cyanopyridin-3-yl}-1-benzofuran-5-yl)methyl]piperazine-1-carboxylate → 4-[(7-chloro-4-methyl-1H-indol-5-yl)amino]-5-[5-(piperazin-1-ylmethyl)-1-benzofuran-2-yl]nicotinonitrile

HRID 506205Notes

Reaction equation

HRID 506205 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([NH:12][C:13]2[C:18]([C:19]#[N:20])=[CH:17][N:16]=[CH:15][C:14]=2[C:21]2[O:22][C:23]3[CH:29]=[CH:28][C:27]([CH2:30][N:31]4[CH2:36][CH2:35][N:34](C(OC(C)(C)C)=O)[CH2:33][CH2:32]4)=[CH:26][C:24]=3[CH:25]=2)[C:5]([CH3:11])=[C:6]2[C:10]=1[NH:9][CH:8]=[CH:7]2>C(Cl)Cl.FC(F)(F)C(O)=O>[Cl:1][C:2]1[CH:3]=[C:4]([NH:12][C:13]2[C:18]([C:19]#[N:20])=[CH:17][N:16]=[CH:15][C:14]=2[C:21]2[O:22][C:23]3[CH:29]=[CH:28][C:27]([CH2:30][N:31]4[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]4)=[CH:26][C:24]=3[CH:25]=2)[C:5]([CH3:11])=[C:6]2[C:10]=1[NH:9][CH:8]=[CH:7]2

Participants

4

Reactant 1

HCID 68463392tert-butyl 4-[(2-{4-[(7-chloro-4-methyl-1H-indol-5-yl)amino]-5-cyanopyridin-3-yl}-1-benzofuran-5-yl)methyl]piperazine-1-carboxylate

Product 1

HCID 684658004-[(7-chloro-4-methyl-1H-indol-5-yl)amino]-5-[5-(piperazin-1-ylmethyl)-1-benzofuran-2-yl]nicotinonitrile

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 6422Trifluoroacetic acidSolvent

Procedure

A solution of tert-butyl 4-[(2-{4-[(7-chloro-4-methyl-1H-indol-5-yl)amino]-5-cyanopyridin-3-yl}-1-benzofuran-5-yl)methyl]piperazine-1-carboxylate (176 mg, 0.29 mmol) in CH2Cl2 (4 mL) and trifluoroacetic acid (2 mL) was stirred at room temperature for 4 h and concentrated to provide 4-[(7-chloro-4-methyl-1H-indol-5-yl)amino]-5-[5-(piperazin-1-ylmethyl)-1-benzofuran-2-yl]nicotinonitrile as a yellow solid in quantitative yield (182 mg). HPLC retention time: 6.5 min.(g); MS: 497.3 (M+H); and HRMS: 497.1851.

Workup

  1. concentrationconcentrated

Sources & evidence

ORD record
ord-2cba2587a48e492ab5b032a41e53c4c4
Source dataset
uspto-grants-2010_08
Patent number
US07781591B2

Reaction notes

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