Sodium triacetoxyborohydride → HCID 86708272, compound

HRID 529378Notes

Reaction equation

HRID 529378 reaction equation
[F:1][C:2]([F:23])([F:22])[C:3]([N:5]([C@@H:13]1[CH2:15][C@H:14]1[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)[CH2:6][CH:7]1[CH2:12][CH2:11][NH:10][CH2:9][CH2:8]1)=[O:4].O=[CH:25][CH2:26][CH2:27][C:28]1[CH:29]=[C:30]([CH:35]=[CH:36][CH:37]=1)[C:31]([O:33][CH3:34])=[O:32].C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCCl>[F:23][C:2]([F:1])([F:22])[C:3]([N:5]([CH2:6][CH:7]1[CH2:8][CH2:9][N:10]([CH2:25][CH2:26][CH2:27][C:28]2[CH:29]=[C:30]([CH:35]=[CH:36][CH:37]=2)[C:31]([O:33][CH3:34])=[O:32])[CH2:11][CH2:12]1)[C@@H:13]1[CH2:15][C@H:14]1[C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)=[O:4]

Participants

5

Reactant 3

HCID 5049666Sodium triacetoxyborohydrideHCID 10352555Methyl 3-(3-oxopropyl)benzoateHCID 867082342,2,2-trifluoro-N-((1R,2S)-2-phenylcyclopropyl)-N-(piperidin-4-ylmethyl)acetamide

Product 1

HCID 86708272HCID 86708272, compoundYield 63.7%

Reagents, catalysts & solvents 1

HCID 111,2-DichloroethaneSolvent

Procedure

To a solution of 2,2,2-trifluoro-N-(trans-2-phenylcyclopropyl)-N-(piperidin-4-ylmethyl)acetamide (100 mg, 0.306 mmol) in 1,2-dichloroethane (DCE) (2 mL) were added methyl 3-(3-oxopropyl)benzoate (70.7 mg, 0.368 mmol) and sodium triacetoxyborohydride (104 mg, 0.490 mmol), and the mixture was stirred at room temperature for 18 h. The reaction was then quenched with water (5 mL) and extracted with DCM (3×). The extract was dried (Na2SO4) and concentrated. The residue was purified using column chromatography (silica gel, 0 to 100% EtOAc/hexanes then 0 to 15% MeOH/EtOAc) to give 98 mg of product as pale yellow solid. MS: (M+H)+=503.1. 1H NMR (400 MHz, METHANOL-d4) δ ppm 1.32-1.53 (m, 3H), 1.57-1.69 (m, 1H), 1.75-1.90 (m, 2H), 1.91-2.08 (m, 4H), 2.26-2.56 (m, 3H), 2.65-2.88 (m, 4H), 3.13-3.29 (m, 2H), 3.45-3.65 (m, 2H), 3.89-3.95 (m, 3H), 7.05-7.36 (m, 5H), 7.39-7.57 (m, 2H), 7.83-8.00 (m, 2H).

Workup

  1. customThe reaction was then quenched with water (5 mL)
  2. extractionextracted with DCM (3×)
  3. dry with materialThe extract was dried (Na2SO4)
  4. concentrationconcentrated
  5. customThe residue was purified

Sources & evidence

ORD record
ord-d487b68970634be3a0857aac9926e675
Source dataset
uspto-grants-2016_05
Patent number
US09346840B2

Reaction notes

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