Diisopropylethylamine → HCID 89692816, compound

HRID 1481848Notes

Reaction equation

HRID 1481848 reaction equation
[NH2:1][C:2]1[C:3]([N:23]2[CH2:28][CH2:27][N:26]([C:29]3[CH:34]=[CH:33][CH:32]=[CH:31][C:30]=3[CH3:35])[CH2:25][CH2:24]2)=[CH:4][C:5]([CH:20]2[CH2:22][CH2:21]2)=[C:6]([CH:19]=1)[C:7]([NH:9][CH2:10][CH2:11][CH2:12][N:13]1[CH2:17][CH2:16][CH2:15][C:14]1=[O:18])=[O:8].[CH:36]1([C:39]2[O:40][CH:41]=[C:42]([C:44](O)=[O:45])[N:43]=2)[CH2:38][CH2:37]1.C(N(CC)C(C)C)(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C)C=O.O>[CH:20]1([C:5]2[C:6]([C:7](=[O:8])[NH:9][CH2:10][CH2:11][CH2:12][N:13]3[CH2:17][CH2:16][CH2:15][C:14]3=[O:18])=[CH:19][C:2]([NH:1][C:44]([C:42]3[N:43]=[C:39]([CH:36]4[CH2:38][CH2:37]4)[O:40][CH:41]=3)=[O:45])=[C:3]([N:23]3[CH2:24][CH2:25][N:26]([C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][C:30]=4[CH3:35])[CH2:27][CH2:28]3)[CH:4]=2)[CH2:21][CH2:22]1

Participants

7

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 252192732-Cyclopropyl-1,3-oxazole-4-carboxylic acidHCID 89690432HCID 89690432, compound

Product 1

HCID 89692816HCID 89692816, compoundYield 31.6%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

5-Amino-2-cyclopropyl-N-[3-(2-oxo-pyrrolidin-1-yl)-propyl]-4-(4-o-tolyl-piperazin-1-yl)-benzamide 5b (89.0 mg, 0.19 mmol, 100 mol %), 2-cyclopropyl-oxazole-4-carboxylic acid 1h (43.0 mg, 0.28 mmol, 150 mol %) and N,N-diisopropylethylamine (0.10 ml, 0.56 mmol, 300 mol %) were combined in N,N-dimethylformamide (3.0 ml) and HATU (106.7 mg, 0.28 mmol, mol %) was added and the reaction was stirred at room temperature for 16 h. The reaction was then diluted with water and extracted three times with ethyl acetate. The combined organics were dried over sodium sulfate and then concentrated to a residue that was purified by column chromatography (dichloromethane to 10% methanol/dichloromethane) to afford 2-cyclopropyl-oxazole-4-carboxylic acid [4-cyclopropyl-5-[3-(2-oxo-pyrrolidin-1-yl)-propylcarbamoyl]-2-(4-o-tolyl-piperazin-1-yl)-phenyl]-amide 5c (34.0 mg; 0.06 mmol, 29.8%) as a white solid.

Workup

  1. extractionextracted three times with ethyl acetate
  2. dry with materialThe combined organics were dried over sodium sulfate
  3. concentrationconcentrated to a residue that
  4. customwas purified by column chromatography (dichloromethane to 10% methanol/dichloromethane)

Sources & evidence

ORD record
ord-4f82d39e5b0c4feeafc32662315d552d
Source dataset
uspto-grants-2016_08
Patent number
US09409897B2

Reaction notes

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