Isobutyraldehyde → N-((4-Methylphenyl)methyl)-N-(1-(2-methylpropyl)piperidin-4-yl)-4-methoxyphenylacetamide

HRID 2414865노트

반응식

HRID 2414865 반응식
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][N:9]([CH:21]2[CH2:26][CH2:25][N:24](C(OC(C)(C)C)=O)[CH2:23][CH2:22]2)[C:10](=[O:20])[CH2:11][C:12]2[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][CH:13]=2)=[CH:4][CH:3]=1.[CH3:34][CH:35]([CH3:38])[CH:36]=O.[BH4-].C(OC(=O)C)(=O)C>C(O)C>[CH3:1][C:2]1[CH:3]=[CH:4][C:5]([CH2:8][N:9]([CH:21]2[CH2:26][CH2:25][N:24]([CH2:34][CH:35]([CH3:38])[CH3:36])[CH2:23][CH2:22]2)[C:10](=[O:20])[CH2:11][C:12]2[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][CH:13]=2)=[CH:6][CH:7]=1

참가 물질

6

반응물 4

HCID 6561IsobutyraldehydeHCID 7918Acetic AnhydrideHCID 28123BorohydrideHCID 12146688N-((4-methylphenyl)methyl)-N-(1-(tert-butyloxycarbonyl)piperidin-4-yl)-4-methoxyphenylacetamide

생성물 1

HCID 10201524N-((4-Methylphenyl)methyl)-N-(1-(2-methylpropyl)piperidin-4-yl)-4-methoxyphenylacetamide

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

The product from example 13 above (20 mg, 0.06 mmol) was dissolved in abs. ethanol (2 ml).). 2-Methylpropionaldehyde (0.104 ml, 1.1 mmol) was added followed by solid-supported borohydride (150 mg, 2.5 mmol/g resin; Aldrich 32,864-2). The mixture was shaken at room temperature. After 48 h, the resin was filtered off and acetic anhydride (0.02 ml, 0.2 mmol) was added to the organic solution. After 24 h, the mixture was concentrated and redissolved in methanol (2 ml). The solution was added on to a column carrying strongly acidic cation exchange resin (0.3 mmol/g resin), which was washed with methanol (3×6 ml), and eluted with 10% NH3 in methanol, and concentrated to give the title compound. Yield: 19 mg; HRMS (FAB+, NBA) (M+H)+ 409.2858, C26H37N2O2 requires 409.2855; LC-MS: (M+H)+ 409.2, tr 5.97 min.

후처리

  1. filtrationthe resin was filtered off
  2. waitAfter 24 h
  3. concentrationthe mixture was concentrated
  4. dissolutionredissolved in methanol (2 ml)
  5. additionThe solution was added on to a column
  6. washwas washed with methanol (3×6 ml)
  7. washeluted with 10% NH3 in methanol
  8. concentrationconcentrated

출처 및 근거

ORD 기록
ord-9ac5e1b9e0834d9fb083cb9e95697f26
출처 데이터셋
uspto-grants-2004_11
특허 번호
US06815458B2

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