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Acetaldehyde → N-[3-(4-Chloro-2-methyl-2H-pyrazol-3-yl)-4-(2-ethylamino-2-methyl-propoxy)-phenyl]-3-trifluoromethyl-benzamide

HRID 1425511
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HRID 1425511 반응식
[C:1](O[BH-](OC(=O)C)OC(=O)C)(=O)[CH3:2].[Na+].[NH2:15][C:16]([CH3:46])([CH3:45])[CH2:17][O:18][C:19]1[CH:24]=[CH:23][C:22]([NH:25][C:26](=[O:37])[C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([C:33]([F:36])([F:35])[F:34])[CH:28]=2)=[CH:21][C:20]=1[C:38]1[N:39]([CH3:44])[N:40]=[CH:41][C:42]=1[Cl:43].C(=O)C.FC(F)(F)C([O-])=O>C1COCC1.C(OCC)(=O)C.C(=O)(O)[O-].[Na+]>[Cl:43][C:42]1[CH:41]=[N:40][N:39]([CH3:44])[C:38]=1[C:20]1[CH:21]=[C:22]([NH:25][C:26](=[O:37])[C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([C:33]([F:36])([F:34])[F:35])[CH:28]=2)[CH:23]=[CH:24][C:19]=1[O:18][CH2:17][C:16]([NH:15][CH2:1][CH3:2])([CH3:46])[CH3:45]
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참가 물질

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반응물 4

HCID 177AcetaldehydeHCID 84468TrifluoroacetateHCID 5049666Sodium triacetoxyborohydrideHCID 57814739N-(4-(2-amino-2-methylpropoxy)-3-(4-chloro-2-methyl-2H-pyrazol-3-yl)phenyl)-3-(trifluoromethyl)benzamide

생성물 1

HCID 24888500N-[3-(4-Chloro-2-methyl-2H-pyrazol-3-yl)-4-(2-ethylamino-2-methyl-propoxy)-phenyl]-3-trifluoromethyl-benzamide수율 22%

시약·촉매·용매 3

HCID 8028Tetrahydrofuran용매HCID 8857Ethyl Acetate용매HCID 516892Sodium Bicarbonate용매

실험 절차

Sodium triacetoxyborohydride (34.2 mg, 161 μmol) was added to a solution of N-(4-(2-amino-2-methylpropoxy)-3-(4-chloro-2-methyl-2H-pyrazol-3-yl)phenyl)-3-(trifluoromethyl)benzamide (53.8 mg, 115 μmol) and acetaldehyde (5.08 mg, 115 μmol) in THF (0.5 mL), and the mixture was stirred at room temperature. After 4 hours, the reaction was quenched with saturated sodium bicarbonate and extracted with dichloromethane. The extract was evaporated to dryness, the residue was redissolved in methanol, and the product was isolated by preparative HPLC. The trifluoroacetate salt was dissolved in a mixture of ethyl acetate and saturated sodium bicarbonate. The organic layer was washed with brine, dried with sodium sulfate, and evaporated to dryness to afford the title compound (12.5 mg, 22%). LCMS m/z (%)=497.5 (M+H, 37Cl 45.4), 495.3 (M+H, 35Cl 100.0%). 1H NMR (400 MHz, MeOH-d4) δ 1.00 (t, J=7.07 Hz, 3H) 1.07 (s, 6H) 2.42-2.51 (m, 2H) 3.71 (s, 3H) 3.85-3.88 (m, J=9.35 Hz, 1H) 3.90 (d, J=9.09 Hz, 1H) 7.22 (d, J=9.09 Hz, 1H) 7.58 (s, 1H) 7.67 (d, J=2.78 Hz, 1H) 7.73 (t, J=7.83 Hz, 1H) 7.85-7.92 (m, 2H) 8.21 (d, J=7.83 Hz, 1H) 8.27 (s, 1H).

후처리

  1. customthe reaction was quenched with saturated sodium bicarbonate
  2. extractionextracted with dichloromethane
  3. customThe extract was evaporated to dryness
  4. dissolutionthe residue was redissolved in methanol
  5. customthe product was isolated by preparative HPLC
  6. washThe organic layer was washed with brine
  7. dry with materialdried with sodium sulfate
  8. customevaporated to dryness

출처 및 근거

ORD 기록
ord-5241535fb2a24b87af8638172a32cb97
출처 데이터셋
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
USRE045337E1

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