Ethyl Acetate → 4-(1-(5-Cyclopropylpyrimidin-2-yl)piperidin-4-yloxy)-1-(3,4-dichlorophenyl)-6-oxo-1,6-dihydropyridazine-3-carbonitrile

HRID 386556

반응식

HRID 386556 반응식
Cl.[Cl:2][C:3]1[CH:4]=[C:5]([N:10]2[C:15](=[O:16])[CH:14]=[C:13]([O:17][CH:18]3[CH2:23][CH2:22][NH:21][CH2:20][CH2:19]3)[C:12]([C:24]#[N:25])=[N:11]2)[CH:6]=[CH:7][C:8]=1[Cl:9].CCN(C(C)C)C(C)C.Cl[C:36]1[N:41]=[CH:40][C:39]([CH:42]2[CH2:44][CH2:43]2)=[CH:38][N:37]=1.CCOC(C)=O>CN1C(=O)CCC1>[CH:42]1([C:39]2[CH:38]=[N:37][C:36]([N:21]3[CH2:20][CH2:19][CH:18]([O:17][C:13]4[C:12]([C:24]#[N:25])=[N:11][N:10]([C:5]5[CH:6]=[CH:7][C:8]([Cl:9])=[C:3]([Cl:2])[CH:4]=5)[C:15](=[O:16])[CH:14]=4)[CH2:23][CH2:22]3)=[N:41][CH:40]=2)[CH2:44][CH2:43]1

참가 물질

6

반응물 4

HCID 8857Ethyl AcetateHCID 81531DiisopropylethylamineHCID 468640872-Chloro-5-cyclopropylpyrimidineHCID 674465361-(3,4-dichlorophenyl)-6-oxo-4-(piperidin-4-yloxy)-1,6-dihydropyridazine-3-carbonitrile HCl

생성물 1

HCID 446216584-(1-(5-Cyclopropylpyrimidin-2-yl)piperidin-4-yloxy)-1-(3,4-dichlorophenyl)-6-oxo-1,6-dihydropyridazine-3-carbonitrile수율 40.8%

시약·촉매·용매 1

HCID 13387N-methyl-2-pyrrolidone용매

반응 조건

온도
100 °C

실험 절차

To a stirring solution of 1-(3,4-dichlorophenyl)-6-oxo-4-(piperidin-4-yloxy)-1,6-dihydropyridazine-3-carbonitrile HCl (50 mg, 0.137 mmol) in NMP (2 mL) at room temperature under argon was added DIPEA (53.1 mg, 0.411 mmol) and 2-chloro-5-cyclopropylpyrimidine (31.7 mg, 0.205 mmol). The resulting reaction mixture was heated at 100° C. under argon overnight. 15 mL of EtOAc was added to the reaction mixture. The reaction mixture was washed with water (15 mL), and brine (15 mL). Organic phase was dried (MgSO4), filtered and concentrated. The crude product was dissolved in a small amount of DCM (˜2 ml) and loaded onto a 40 g ISCO silica gel column which was eluted with a 20 min gradient from 20% to 100% EtOAc/Hexanes. 27 mg (38.8%) of 4-(1-(5-cyclopropylpyrimidin-2-yl)piperidin-4-yloxy)-1-(3,4-dichlorophenyl)-6-oxo-1,6-dihydropyridazine-3-carbonitrile was obtained as a white solid. 1H NMR (400 MHz, CDCl3) δ ppm 0.50-0.66 (m, 2H) 0.82-0.98 (m, 2H) 1.64-1.79 (m, 1H) 1.83-1.99 (m, 2H) 1.99-2.16 (m, 2H) 3.60-3.90 (m, 2H) 3.96-4.25 (m, 2H) 4.56-4.87 (m, 1H) 6.31 (s, 1H) 7.41-7.50 (m, 1H) 7.50-7.60 (m, 1H) 7.73 (d, J=2.20 Hz, 1H) 8.05-8.18 (m, 2H). MS (ESI) 483 (M+H).

후처리

  1. customThe resulting reaction mixture
  2. washThe reaction mixture was washed with water (15 mL), and brine (15 mL)
  3. dry with materialOrganic phase was dried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated
  6. dissolutionThe crude product was dissolved in a small amount of DCM (˜2 ml)
  7. washwas eluted with a 20 min gradient from 20% to 100% EtOAc/Hexanes

출처 및 근거

ORD 기록
ord-c2592222cad144cf9a1b7e0b46052c98
출처 데이터셋
uspto-grants-2013_02
특허 번호
US08372837B2

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