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Water → N-{[(2-{4-[2-ethyl-5-(1-hydroxy-1-methylethyl)-1H-benzimidazol-1-yl]phenyl}ethyl)amino]carbonyl}-4-methylbenzenesulfonamide

HRID 724184
Notes
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Reaction equation

HRID 724184 reaction equation
[C:1]([C:4]1[CH:36]=[CH:35][C:7]2[N:8]([C:13]3[CH:18]=[CH:17][C:16]([CH2:19][CH2:20][NH:21][C:22]([NH:24][S:25]([C:28]4[CH:33]=[CH:32][C:31]([CH3:34])=[CH:30][CH:29]=4)(=[O:27])=[O:26])=[O:23])=[CH:15][CH:14]=3)[C:9]([CH2:11][CH3:12])=[N:10][C:6]=2[CH:5]=1)(=[O:3])[CH3:2].[CH3:37][Mg]I.O>O1CCCC1>[CH2:11]([C:9]1[N:8]([C:13]2[CH:14]=[CH:15][C:16]([CH2:19][CH2:20][NH:21][C:22]([NH:24][S:25]([C:28]3[CH:33]=[CH:32][C:31]([CH3:34])=[CH:30][CH:29]=3)(=[O:26])=[O:27])=[O:23])=[CH:17][CH:18]=2)[C:7]2[CH:35]=[CH:36][C:4]([C:1]([OH:3])([CH3:37])[CH3:2])=[CH:5][C:6]=2[N:10]=1)[CH3:12]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 962WaterHCID 21875662HCID 21875662, compoundHCID 178418373HCID 178418373, compound

Product 1

HCID 11720560N-{[(2-{4-[2-ethyl-5-(1-hydroxy-1-methylethyl)-1H-benzimidazol-1-yl]phenyl}ethyl)amino]carbonyl}-4-methylbenzenesulfonamideYield 101.1%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Conditions

Temperature
0 °C

Procedure

A solution of N-[({2-[4-(5-acetyl-2-ethyl-1H-benzimidazol-1-yl)phenyl]ethyl}amino)carbonyl]-4-methylbenzenesulfonamide (Example 78, 100 mg, 0.19 mmol) in tetrahydrofurane (15 ml) was added MeMgI (1.2 ml, 0.99 mmol) dropwise under nitrogen at 0° C. The mixture was stirred at 0° C. for 1 h and then was stirred at rt for 30 min. The mixture was added water (10 ml) and extracted with CH2Cl2(50 ml). The organic layer was washed with brine (10 ml), then dried (Na2SO4). After removal of solvent, the crude product was purified by flash column chromatography eluting with CH2Cl2:methanol (30:1/20:1/10:1) to afford 100 mg (97%) of the title compound as white solids.

Workup

  1. stirringwas stirred at rt for 30 min
  2. extractionextracted with CH2Cl2(50 ml)
  3. washThe organic layer was washed with brine (10 ml)
  4. dry with materialdried (Na2SO4)
  5. customAfter removal of solvent
  6. customthe crude product was purified by flash column chromatography
  7. washeluting with CH2Cl2:methanol (30:1/20:1/10:1)

Sources & evidence

ORD record
ord-c3886f3819774612941cc447330f9a25
Source dataset
uspto-grants-2006_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07141580B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes