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Water → tert-Butyl 4-(6-(5-fluoropyridin-2-ylamino)-1-(methylsulfonyl)-1H-pyrrolo[3,2-c]pyridin-2-yl)-1H-pyrazole-1-carboxylate

HRID 2205891
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HRID 2205891 반응식
Cl[C:2]1[N:7]=[CH:6][C:5]2[CH:8]=[C:9]([C:15]3[CH:16]=[N:17][N:18]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH:19]=3)[N:10]([S:11]([CH3:14])(=[O:13])=[O:12])[C:4]=2[CH:3]=1.C(=O)([O-])[O-].[Cs+].[Cs+].[NH2:33][C:34]1[CH:39]=[CH:38][C:37]([F:40])=[CH:36][N:35]=1.O>CC(O)(C)C.CCOC(C)=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]>[F:40][C:37]1[CH:38]=[CH:39][C:34]([NH:33][C:2]2[N:7]=[CH:6][C:5]3[CH:8]=[C:9]([C:15]4[CH:16]=[N:17][N:18]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH:19]=4)[N:10]([S:11]([CH3:14])(=[O:13])=[O:12])[C:4]=3[CH:3]=2)=[N:35][CH:36]=1
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참가 물질

8

반응물 4

HCID 962WaterHCID 10796Cesium carbonateHCID 27377012-Amino-5-fluoropyridineHCID 86706273tert-Butyl 4-(6-chloro-1-(methylsulfonyl)-1H-pyrrolo[3,2-c]pyridin-2-yl)-1H-pyrazole-1-carboxylate

생성물 1

HCID 86706304tert-Butyl 4-(6-(5-fluoropyridin-2-ylamino)-1-(methylsulfonyl)-1H-pyrrolo[3,2-c]pyridin-2-yl)-1H-pyrazole-1-carboxylate수율 36.7%

시약·촉매·용매 3

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 6386tert-Butanol용매HCID 8857Ethyl Acetate용매

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온도
80 °C

실험 절차

Pd2(dba)3 (9.0 mg, 0.01 mmol) was added to a mixture of tert-butyl 4-(6-chloro-1-(methylsulfonyl)-1H-pyrrolo[3,2-c]pyridin-2-yl)-1H-pyrazole-1-carboxylate (15) (39 mg, 0.098 mmol), cesium carbonate (128 mg, 0.393 mmol), 2-amino-5-fluoropyridine (22 mg, 0.197 mmol) and di-tBuX-Phos (16.7 mg, 0.039 mmol) in t-BuOH containing water (3%) (1.1 mL). The reaction mixture was heated at 80° C. for 1.5 hr under microwave irradiation. It was then diluted with EtOAc and washed with water. The organic extracts were dried over MgSO4, filtered and concentrated under vacuum. The residue was then purified by prep TLC (DCM/MeOH, 95/5) to afford 17 mg of title compound mixed with some 2-amino-5-fluoropyridine. This mixture was used in the next step without further purification. 1H NMR (500 MHz, CDCl3) 1.70 (s, 9H), 2.97 (s, 3H), 6.72 (d, J=0.9 Hz), 7.37-7.41 (m, 1H), 7.52-7.56 (m, 1H), 7.62 (br s, 1H), 7.95 (m, 1H), 8.17-8.19 (m, 1H), 8.26 (s, 1H), 8.38 (s, 1H), 8.54 (d, J=0.9 Hz, 1H).

후처리

  1. washwashed with water
  2. dry with materialThe organic extracts were dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated under vacuum
  5. customThe residue was then purified by prep TLC (DCM/MeOH, 95/5)

출처 및 근거

ORD 기록
ord-aa3dd787c98e483893ff1e00b9bd7b11
출처 데이터셋
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09371319B2

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