Diisopropylethylamine → {4-[(4-Benzyloxy-phenyl)-(3-methyl-but-2-enyl)-amino]-piperidin-1-yl}-[1-(3-methyl-butyl)-piperidin-4-yl]-methanone

HRID 1069181Notes

Reaction equation

HRID 1069181 reaction equation
[CH3:1][CH:2]([CH3:14])[CH2:3][CH2:4][N:5]1[CH2:10][CH2:9][CH:8]([C:11]([OH:13])=O)[CH2:7][CH2:6]1.[CH2:15]([O:22][C:23]1[CH:28]=[CH:27][C:26]([N:29]([CH2:36][CH:37]=[C:38]([CH3:40])[CH3:39])[CH:30]2[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]2)=[CH:25][CH:24]=1)[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1.C(N(C(C)C)CC)(C)C.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C.CCOC(C)=O>[CH2:15]([O:22][C:23]1[CH:28]=[CH:27][C:26]([N:29]([CH2:36][CH:37]=[C:38]([CH3:40])[CH3:39])[CH:30]2[CH2:35][CH2:34][N:33]([C:11]([CH:8]3[CH2:7][CH2:6][N:5]([CH2:4][CH2:3][CH:2]([CH3:1])[CH3:14])[CH2:10][CH2:9]3)=[O:13])[CH2:32][CH2:31]2)=[CH:25][CH:24]=1)[C:16]1[CH:17]=[CH:18][CH:19]=[CH:20][CH:21]=1

Participants

7

Reactant 4

HCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 10641624(4-Benzyloxy-phenyl)-(3-methyl-but-2-enyl)-piperidin-4-yl-amineHCID 167689871-(3-Methylbutyl)piperidine-4-carboxylic acid

Product 1

HCID 9958704{4-[(4-Benzyloxy-phenyl)-(3-methyl-but-2-enyl)-amino]-piperidin-1-yl}-[1-(3-methyl-butyl)-piperidin-4-yl]-methanoneYield 18%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

The preparation of Example 13: 1-(3-Methyl-butyl)-piperidine-4-carboxylic acid (0.1 g, 0.50 mmol) was dissolved in DMF (5 mL) and treated with (4-Benzyloxy-phenyl)-(3-methyl-but-2-enyl)-piperidin-4-yl-amine (0.175 g, 0.50 mmol), diisopropylethylamine (0.26 mL, 1.5 mmol), and HBTU (0.19 g, 0.50 mmol). The reaction was stirred for 4 hours, then diluted with EtOAc (125 mL), washed with saturated sodium bicarbonate solution and brine, dried over Na2SO4, and concentrated. The residue was chromatographed on silica gel eluting with 8% MeOH/CH2Cl2 to give 47 mg (18%) of {4-[(4-Benzyloxy-phenyl)-(3-methyl-but-2-enyl)-amino]-piperidin-1-yl }-[1-(3-methyl-butyl)-piperidin-4-yl]-methanone.

Workup

  1. customThe preparation of Example 13
  2. washwashed with saturated sodium bicarbonate solution and brine
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated
  5. customThe residue was chromatographed on silica gel eluting with 8% MeOH/CH2Cl2

Sources & evidence

ORD record
ord-b7e4b4b82fd3437ca2865f199df2ef99
Source dataset
uspto-grants-2001_06
Patent number
US06251919B1

Reaction notes

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