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Triethylamine → N-[(1R,3S)-3-Isopropyl-3-(4-[6-methyl-4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentyl]-3-methyltetrahydro-2H-pyran-4-amine

HRID 1261680
Notes
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Reaction equation

HRID 1261680 reaction equation
[CH:1]([C@:4]1([C:10]([N:12]2[CH2:17][CH2:16][N:15]([C:18]3[CH:23]=[C:22]([C:24]([F:27])([F:26])[F:25])[CH:21]=[C:20]([CH3:28])[N:19]=3)[CH2:14][CH2:13]2)=[O:11])[CH2:8][CH2:7][C@@H:6]([NH2:9])[CH2:5]1)([CH3:3])[CH3:2].[CH3:29][CH:30]1[C:35](=O)[CH2:34][CH2:33][O:32][CH2:31]1.C(N(CC)CC)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>C(Cl)Cl>[CH:1]([C@:4]1([C:10]([N:12]2[CH2:13][CH2:14][N:15]([C:18]3[CH:23]=[C:22]([C:24]([F:27])([F:25])[F:26])[CH:21]=[C:20]([CH3:28])[N:19]=3)[CH2:16][CH2:17]2)=[O:11])[CH2:8][CH2:7][C@@H:6]([NH:9][CH:35]2[CH2:34][CH2:33][O:32][CH2:31][CH:30]2[CH3:29])[CH2:5]1)([CH3:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 5049666Sodium triacetoxyborohydrideHCID 141709263-Methyloxan-4-oneHCID 59833585(1R,3S)-3-isopropyl-3-(4-[6-methyl-4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentanamine

Product 1

HCID 11598474N-[(1R,3S)-3-Isopropyl-3-(4-[6-methyl-4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentyl]-3-methyltetrahydro-2H-pyran-4-amine

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

To a solution of (1R,3S)-3-isopropyl-3-(4-[6-methyl-4-(trifluoromethyl)pyridin-2-yl]piperazin-1-ylcarbonyl)cyclopentanamine (120 mg, 0.30 mmol), 3-methyltetrahydro-4H-pyran-4-one (100 mg, 0.90 mmol), and triethylamine (0.12 mL, 0.90 mmol) in methylene chloride (20 mL) was added sodium triacetoxyborohydride (0.19 g, 0.90 mmol). After being stirred at room temperature overnight, the reaction mixture was diluted with methylene chloride, washed with brine, dried over sodium sulfate, filtered and concentrated. The residue was purified by flash chromatography to provide the desired product as a mixture of four isomers. LCMS calculated for C26H39F3N4O2: (M+1) 497.3; found 497.2 for four isomers.

Workup

  1. washwashed with brine
  2. dry with materialdried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe residue was purified by flash chromatography

Sources & evidence

ORD record
ord-41484466c95f43de8a7abc0707758818
Source dataset
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08470827B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes