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4,6-Dichloro-2-methylpyrimidine → 2-{6-[(6-Chloro-2-methylpyrimidin-4-yl)oxy]-2,3-dihydro-4h-1,4-benzoxazin-4-yl}-6,6-dimethyl-6,7-dihydro[1,3]thiazolo[5,4-c]pyridin-4(5h)-one

HRID 885990
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HRID 885990 반응식
[CH3:1][C:2]1([CH3:23])[NH:7][C:6](=[O:8])[C:5]2[S:9][C:10]([N:12]3[C:17]4[CH:18]=[C:19]([OH:22])[CH:20]=[CH:21][C:16]=4[O:15][CH2:14][CH2:13]3)=[N:11][C:4]=2[CH2:3]1.[Cl:24][C:25]1[CH:30]=[C:29](Cl)[N:28]=[C:27]([CH3:32])[N:26]=1.CC(C)([O-])C.[Na+]>C1COCC1>[Cl:24][C:25]1[N:26]=[C:27]([CH3:32])[N:28]=[C:29]([O:22][C:19]2[CH:20]=[CH:21][C:16]3[O:15][CH2:14][CH2:13][N:12]([C:10]4[S:9][C:5]5[C:6](=[O:8])[NH:7][C:2]([CH3:23])([CH3:1])[CH2:3][C:4]=5[N:11]=4)[C:17]=3[CH:18]=2)[CH:30]=1
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참가 물질

5

반응물 3

HCID 2349974,6-Dichloro-2-methylpyrimidineHCID 23676156Sodium t-butoxideHCID 671855836,6-Dimethyl-2-(6-hydroxy-2,3-dihydrobenzo[1,4]oxazin-4-yl)-6,7-dihydro-[1,3]thiazolo[5,4-c]pyridin-4(5h)-one

생성물 1

HCID 248558182-{6-[(6-Chloro-2-methylpyrimidin-4-yl)oxy]-2,3-dihydro-4h-1,4-benzoxazin-4-yl}-6,6-dimethyl-6,7-dihydro[1,3]thiazolo[5,4-c]pyridin-4(5h)-one수율 35%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

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온도
155 °C

실험 절차

To a suspension of Example 57 (70 mg, 0.211 mmol) in THF (4 mL) was added 4,6-dichloro-2-methylpyrimidine (86 mg, 0.529 mmol) and sodium tert-butoxide (81 mg, 0.846 mmol). The reaction was heated to 155° C. under microwave irradiation for 30 minutes then cooled to room temperature. The mixture was partitioned between DCM (50 mL) and water (50 mL); the organic phase was washed with brine (50 mL), dried (MgSO4), and concentrated in vacuo. The residue was purified by preparative HPLC (Method 6) to give the title compound (32 mg, 35%) as an off-white solid. δH (CDCl3) 8.02 (1H, d, J 2.8 Hz), 6.99 (1H, d, J 8.9 Hz), 6.82 (1H, dd, J 8.9 and 2.6 Hz), 6.66 (1H, s), 5.50 (1H, s), 4.47-4.26 (2H, m), 4.19-4.04 (2H, m), 2.86 (2H, s), 2.61 (3H, s), 1.38 (6H, s). LCMS (ES+) 458.0 (M+H)+, RT 3.50 minutes (Method 1).

후처리

  1. temperaturethen cooled to room temperature
  2. customThe mixture was partitioned between DCM (50 mL) and water (50 mL)
  3. washthe organic phase was washed with brine (50 mL)
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by preparative HPLC (Method 6)

출처 및 근거

ORD 기록
ord-66f80fb4eb0e459287bdd6688f5853b9
출처 데이터셋
uspto-grants-2012_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08242116B2

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