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4-(Chloromethyl)benzoyl chloride → [4-(Chloromethyl)phenyl]-n-[5-(4-(3-pyridyl)pyrimidin-2-yloxy)benzimidazol-2-yl]carboxamide

HRID 13477
Notes
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Reaction equation

HRID 13477 reaction equation
[S-][C:2]#[N:3].[Na+].[Cl:5][CH2:6][C:7]1[CH:15]=[CH:14][C:10]([C:11](Cl)=[O:12])=[CH:9][CH:8]=1.[N:16]1[CH:21]=[CH:20][CH:19]=[C:18]([C:22]2[CH:27]=[CH:26][N:25]=[C:24]([O:28][C:29]3[CH:30]=[C:31]([NH2:36])[C:32]([NH2:35])=[CH:33][CH:34]=3)[N:23]=2)[CH:17]=1.Cl.C(N=C=NCCCN(C)C)C>CC(C)=O>[Cl:5][CH2:6][C:7]1[CH:15]=[CH:14][C:10]([C:11]([NH:3][C:2]2[NH:36][C:31]3[CH:30]=[C:29]([O:28][C:24]4[N:23]=[C:22]([C:18]5[CH:17]=[N:16][CH:21]=[CH:20][CH:19]=5)[CH:27]=[CH:26][N:25]=4)[CH:34]=[CH:33][C:32]=3[N:35]=2)=[O:12])=[CH:9][CH:8]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 701364-(Chloromethyl)benzoyl chlorideHCID 516871Sodium thiocyanateHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 220413284-(4-(3-Pyridyl)pyrimidin-2-yloxy)benzene-1,2-diamine

Product 1

HCID 131725841[4-(Chloromethyl)phenyl]-n-[5-(4-(3-pyridyl)pyrimidin-2-yloxy)benzimidazol-2-yl]carboxamide

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent3×

Procedure

A solution of sodium thiocyanate (1 eq) in acetone was added slowly in to a solution of 4-(chloromethyl)benzoylchloride (1 eq) in acetone at 0° C. The mixture was then filtered in to a solution of 4-(4-(3-pyridyl)pyrimidin-2-yloxy)benzene-1,2-diamine (1 eq) in acetone. Formation of N-acylthiourea was followed by LC/MS. The mixture was concentrated and taken in tetrahydrofuran and to it was added 1-ethyl-(3-dimethylaminopropyl)carbodimidehydrochloride (2 eq) and stirred at ambient temperature for 16 h. The mixture was concentrated and partitioned between ethyl acetate and water. The organic layer was then dried and concentrated to yield [4-(chloromethyl)phenyl]-N-[5-(4-(3-pyridyl)pyrimidin-2-yloxy)benzimidazol-2-yl]carboxamide. It was taken in tetrahydrofuran and added methylpiperazine (4 eq) and stirred at ambient temperature for 16 h. The reaction mixture was concentrated and purified on preparative chromatography to yield {4-[(4-methylpiperazinyl)methyl]phenyl}-N-[5-(4-(3-pyridyl)pyrimidin-2-yloxy)benzimidazol-2-yl]carboxamide. MS: MH30 =520.

Workup

  1. concentrationThe mixture was concentrated
  2. concentrationThe mixture was concentrated
  3. custompartitioned between ethyl acetate and water
  4. customThe organic layer was then dried
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-db8e299db5694b67a94af7b25fd9bb75
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07728010B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes