1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride → Tert-butyl 3-[(2-{[(3,5-bis-trifluoromethyl-benzyl)-(5-bromo-pyrimidin-2-yl)-amino]-methyl}-4-trifluoromethyl-benzoyl)-ethyl-amino]-propionate

HRID 604062Notes

Reaction equation

HRID 604062 reaction equation
[F:1][C:2]([F:37])([F:36])[C:3]1[CH:4]=[C:5]([CH:29]=[C:30]([C:32]([F:35])([F:34])[F:33])[CH:31]=1)[CH2:6][N:7]([CH2:15][C:16]1[CH:24]=[C:23]([C:25]([F:28])([F:27])[F:26])[CH:22]=[CH:21]C=1C(O)=O)[C:8]1[N:13]=[CH:12][C:11]([Br:14])=[CH:10][N:9]=1.[CH2:38]([NH:40][CH2:41][CH2:42][C:43]([O:45][C:46]([CH3:49])([CH3:48])[CH3:47])=[O:44])[CH3:39].[OH2:50].O.ON1[C:57]2C=CC=C[C:56]=2N=N1.Cl.C(N=C=NCCCN(C)C)C>O1CCCC1.C(OCC)(=O)C.O.C(N(CC)CC)C>[F:37][C:2]([F:1])([F:36])[C:3]1[CH:4]=[C:5]([CH:29]=[C:30]([C:32]([F:35])([F:34])[F:33])[CH:31]=1)[CH2:6][N:7]([CH2:15][C:16]1[CH:24]=[C:23]([C:25]([F:28])([F:27])[F:26])[CH:22]=[CH:21][C:39]=1[C:38]([N:40]([CH2:56][CH3:57])[CH2:41][CH2:42][C:43]([O:45][C:46]([CH3:48])([CH3:47])[CH3:49])=[O:44])=[O:50])[C:8]1[N:13]=[CH:12][C:11]([Br:14])=[CH:10][N:9]=1

Participants

9

Reactant 4

HCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 20566209Tert-butyl 3-(ethylamino)propanoateHCID 666034961-Hydroxybenzotriazole dihydrateHCID 86626801HCID 86626801, compound

Product 1

HCID 86626819Tert-butyl 3-[(2-{[(3,5-bis-trifluoromethyl-benzyl)-(5-bromo-pyrimidin-2-yl)-amino]-methyl}-4-trifluoromethyl-benzoyl)-ethyl-amino]-propionateYield 98.6%

Reagents, catalysts & solvents 4

HCID 962WaterSolventHCID 8028TetrahydrofuranSolventHCID 8471TriethylamineSolventHCID 8857Ethyl AcetateSolvent

Procedure

2-{[(3,5-Bis-trifluoromethyl-benzyl)-(5-bromo-pyrimidin-2-yl)-amino]-methyl}-4-trifluoromethyl-benzoic acid (250 mg) is dissolved in tetrahydrofuran (5 ml), and thereto are added tert-butyl 3-ethylamino-propionate (103 mg), 1-hydroxybenzotriazole dihydrate (81 mg), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (114 mg) and triethylamine (83 μl), and the mixture is stirred at room temperature overnight. To the reaction solution are added water and ethyl acetate, and the mixture is separated, and the organic layer is washed with a saturated brine, dried over magnesium sulfate, and concentrated under reduced pressure. The resulting residue is purified by silica gel column chromatography (hexane:ethyl acetate=19:1→4:1) to give tert-butyl 3-[(2-{[(3,5-bis-trifluoromethyl-benzyl)-(5-bromo-pyrimidin-2-yl)-amino]-methyl}-4-trifluoromethyl-benzoyl)-ethyl-amino]-propionate (310 mg). MS (m/z): 757/759 [M+H]+

Workup

  1. customthe mixture is separated
  2. washthe organic layer is washed with a saturated brine
  3. dry with materialdried over magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe resulting residue is purified by silica gel column chromatography (hexane:ethyl acetate=19:1→4:1)

Sources & evidence

ORD record
ord-e766a74ffd3b464fb001bf275318aac2
Source dataset
uspto-grants-2011_03
Patent number
US07906517B2

Reaction notes

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