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Diisopropylethylamine → (4-{[2-(2-Iodo-benzylamino)-5-nitro-pyrimidin-4-ylamino]-methyl}-cyclohexyl)-carbamic acid tert-butyl ester

HRID 1819418
Notes
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Reaction equation

HRID 1819418 reaction equation
[C:1]([O:5][C:6](=[O:26])[NH:7][CH:8]1[CH2:13][CH2:12][CH:11]([CH2:14][NH:15][C:16]2[C:21]([N+:22]([O-:24])=[O:23])=[CH:20][N:19]=[C:18](Cl)[N:17]=2)[CH2:10][CH2:9]1)([CH3:4])([CH3:3])[CH3:2].[I:27][C:28]1[CH:35]=[CH:34][CH:33]=[CH:32][C:29]=1[CH2:30][NH2:31].CCN(C(C)C)C(C)C>C(Cl)Cl.CN(C=O)C>[C:1]([O:5][C:6](=[O:26])[NH:7][CH:8]1[CH2:13][CH2:12][CH:11]([CH2:14][NH:15][C:16]2[C:21]([N+:22]([O-:24])=[O:23])=[CH:20][N:19]=[C:18]([NH:31][CH2:30][C:29]3[CH:32]=[CH:33][CH:34]=[CH:35][C:28]=3[I:27])[N:17]=2)[CH2:10][CH2:9]1)([CH3:4])([CH3:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 81531DiisopropylethylamineHCID 3016348(2-Iodophenyl)methanamineHCID 57885529(4-[(2-Chloro-5-nitro-pyrimidin-4-ylamino)-methyl]cyclohexyl)-carbamic acid tert-butyl ester

Product 1

HCID 57885772(4-{[2-(2-Iodo-benzylamino)-5-nitro-pyrimidin-4-ylamino]-methyl}-cyclohexyl)-carbamic acid tert-butyl esterYield 64.1%

Reagents, catalysts & solvents 2

HCID 6228
Dimethylformamide
Solvent
HCID 6344DichloromethaneSolvent

Procedure

To a solution of {4-[(2-chloro-5-nitro-pyrimidin-4-ylamino)-methyl]-cyclohexyl}-carbamic acid tert-butyl ester (100 mg, 0.26 mmol) in a mixture of CH2Cl2 (2 mL) and DMF (1 mL) were added 2-iodobenzylamine (192 mg, 0.82 mmol) and DIPEA (135 μL, 1.04 mmoL). The reaction mixture was stirred at room temperature for 16 h and concentrated in vacuo. The resulting residue was diluted with EtOAc and washed with water (×3) and then with brine. The organic phase was dried over anhydrous Na2SO4 and concentrated in vacuo. The residue was purified by silica gel preparative TLC using 98:2 CH2Cl2:MeOH as an eluent to afford 97 mg (64%) of (4-{[2-(2-iodo-benzylamino)-5-nitro-pyrimidin-4-ylamino]-methyl}-cyclohexyl)-carbamic acid tert-butyl ester.

Workup

  1. concentrationconcentrated in vacuo
  2. additionThe resulting residue was diluted with EtOAc
  3. washwashed with water (×3)
  4. dry with materialThe organic phase was dried over anhydrous Na2SO4
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by silica gel preparative TLC

Sources & evidence

ORD record
ord-93bfd30c457246319568f8f95c4d83a9
Source dataset
uspto-grants-2009_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07601714B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes