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N-methyl-2-pyrrolidone → (2S)-2-(1-(2-chloro-6-cyanophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-N-(5-methylpyrazin-2-yl)-3-((R)-1-(triisopropylsilyloxy)propan-2-yloxy)propanamide

HRID 655727
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HRID 655727 반응식
Br[C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([Cl:8])[C:3]=1[N:9]1[C:13]2=[N:14][CH:15]=[N:16][C:17]([O:18][C@@H:19]([CH2:30][O:31][C@H:32]([CH3:45])[CH2:33][O:34][Si:35]([CH:42]([CH3:44])[CH3:43])([CH:39]([CH3:41])[CH3:40])[CH:36]([CH3:38])[CH3:37])[C:20]([NH:22][C:23]3[CH:28]=[N:27][C:26]([CH3:29])=[CH:25][N:24]=3)=[O:21])=[C:12]2[CH:11]=[N:10]1.CC1(C)C2C=CC=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=2OC2C1=CC=CC=2P(C1C=CC=CC=1)C1C=CC=CC=1.[CH3:88][N:89]1CCCC1=O>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].[C-]#N.[Zn+2].[C-]#N>[Cl:8][C:4]1[CH:5]=[CH:6][CH:7]=[C:2]([C:88]#[N:89])[C:3]=1[N:9]1[C:13]2[N:14]=[CH:15][N:16]=[C:17]([O:18][C@@H:19]([CH2:30][O:31][C@H:32]([CH3:45])[CH2:33][O:34][Si:35]([CH:42]([CH3:44])[CH3:43])([CH:39]([CH3:41])[CH3:40])[CH:36]([CH3:38])[CH3:37])[C:20]([NH:22][C:23]3[CH:28]=[N:27][C:26]([CH3:29])=[CH:25][N:24]=3)=[O:21])[C:12]=2[CH:11]=[N:10]1
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참가 물질

6

반응물 3

HCID 13387N-methyl-2-pyrrolidoneHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 57504702(2S)-2-(1-(2-bromo-6-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-N-(5-methylpyrazin-2-yl)-3-((R)-1-(triisopropylsilyloxy)propan-2-yloxy)propanamide

생성물 1

HCID 46938169(2S)-2-(1-(2-chloro-6-cyanophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-N-(5-methylpyrazin-2-yl)-3-((R)-1-(triisopropylsilyloxy)propan-2-yloxy)propanamide
수율 79%

시약·촉매·용매 2

HCID 11186Zinc cyanide (Zn(CN)2)촉매HCID 9811564Bis(dibenzylideneacetone)palladium촉매

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온도
110 °C

실험 절차

Tris(dibenzylideneacetone)dipalladium(0) (0.261 g, 0.29 mmol) was added in one portion to a de-gassed mixture of (2S)-2-(1-(2-bromo-6-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-N-(5-methylpyrazin-2-yl)-3-((2R)-1-(triisopropylsilyloxy)propan-2-yloxy)propanamide (Intermediate BO1) (4.1 g, 5.70 mmol), zinc cyanide (0.335 g, 2.85 mmol) and 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene (0.330 g, 0.57 mmol) in N-methylpyrrolidone (41 mL) at 20° C. under nitrogen. The resulting suspension was degassed under vacuum with inlet of nitrogen four times and then heated to 110° C. (internal temperature) for 1 hour. The mixture was cooled, poured into water (100 mL) and extracted with ethyl acetate (2×50 mL). The organic layers were combined and washed with water (4×50 mL) and brine (50 mL), dried over MgSO4, filtered and evaporated. The crude product was purified by flash silica chromatography, elution gradient 30 to 100% EtOAc in isohexane to afford the product (3.0 g, 79%). 1H NMR (400.13 MHz, DMSO-d6) δ 0.90-1.08 (21H, m), 1.09-1.11 (3H, m), 2.45 (3H, s), 3.53-3.58 (1H, m), 3.60-3.66 (1H, m), 3.75-3.78 (1H, m), 4.10-4.15 (2H, m), 5.94-5.99 (1H, m), 7.87-7.91 (1H, m), 8.16-8.19 (2H, m), 8.31-8.33 (1H, m), 8.60-8.61 (1H, m), 8.73 (1H, s), 9.10-9.12 (1H, d), 11.20 (1H, s); m/z (ES−) (M−H)−=663; HPLC tR=3.79 min.

후처리

  1. customThe resulting suspension was degassed under vacuum with inlet of nitrogen four times
  2. temperatureThe mixture was cooled
  3. additionpoured into water (100 mL)
  4. extractionextracted with ethyl acetate (2×50 mL)
  5. washwashed with water (4×50 mL) and brine (50 mL)
  6. dry with materialdried over MgSO4
  7. filtrationfiltered
  8. customevaporated
  9. customThe crude product was purified by flash silica chromatography, elution gradient 30 to 100% EtOAc in isohexane

출처 및 근거

ORD 기록
ord-afe0f6055aa94198981fcb5dc992a7cf
출처 데이터셋
uspto-grants-2011_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08071608B2

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