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Triisopropyl phosphite → 2-[3-(difluoromethyl)-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b: 4',3'-f]azepine

HRID 75221
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HRID 75221 반응식
[F:1][CH:2]([F:34])[C:3]1[C:7]([C:8]2[N:9](O)[C:10]3[C:16]4[CH:17]=[CH:18][N:19]=[CH:20][C:15]=4[NH:14][C:13]4[N:21]=[CH:22][CH:23]=[CH:24][C:12]=4[C:11]=3[N:25]=2)=[C:6]([CH3:27])[N:5]([CH:28]2[CH2:33][CH2:32][CH2:31][CH2:30][O:29]2)[N:4]=1.CN(C)C(=O)C.P(OC(C)C)(OC(C)C)OC(C)C>O>[F:34][CH:2]([F:1])[C:3]1[C:7]([C:8]2[NH:9][C:10]3[C:16]4[CH:17]=[CH:18][N:19]=[CH:20][C:15]=4[NH:14][C:13]4[N:21]=[CH:22][CH:23]=[CH:24][C:12]=4[C:11]=3[N:25]=2)=[C:6]([CH3:27])[N:5]([CH:28]2[CH2:33][CH2:32][CH2:31][CH2:30][O:29]2)[N:4]=1
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참가 물질

5

반응물 3

HCID 8304Triisopropyl phosphiteHCID 31374DimethylacetamideHCID 668871612-[3-(difluoromethyl)-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-4-yl]imidazo[4,5-d]dipyrido[2,3-b: 4',3'-f]azepin-3(8H)-ol

생성물 1

HCID 668870762-[3-(difluoromethyl)-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-4-yl]-3,8-dihydroimidazo[4,5-d]dipyrido[2,3-b: 4',3'-f]azepine

시약·촉매·용매 1

HCID 962
Water
용매

실험 절차

A solution of 2-[3-(difluoromethyl)-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-4-yl]imidazo[4,5-d]dipyrido[2,3-b:4′,3′-f]azepin-3 (8H)-ol (1.94 g, 4.17 mmol) in N,N-dimethylacetamide (30 mL, 0.3226 mol) was heated at 160° C. for 2.5 hours with triisopropyl phosphite (4.0 mL, 0.0174 mol). The reaction was allowed to cool and then poured into 50 mL water. The reaction was extracted with ethyl acetate and the organic extracts were washed with water, saturated NaCl, dried (MgSO4) and concentrated in vacuo. The reaction was chromatographed on silica gel using 3% Et3N with ethyl acetate, and 3% MeOH/ethyl acetate to give the desired product. 1H NMR (CDCl3): δ 9.52 and 9.45 (brs, 1H), 7.87-8.11 (m, 4H), 6.74-7.61 (m, 3H), 6.10 and 6.13 (br s, 1H), 5.40 (dd, 1H), 4.11 (m, 1H), 3.71 (m, 1H), 2.80 (s, 3H), 2.44 (m, 1H), 2.17 (m, 1H), 1.95 (m, 1H), 1.60-1.80 (m, 3H). Mass spec(EI) m/z=450 (M+1).

후처리

  1. temperatureto cool
  2. extractionThe reaction was extracted with ethyl acetate
  3. washthe organic extracts were washed with water, saturated NaCl
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated in vacuo
  6. customThe reaction was chromatographed on silica gel using 3% Et3N with ethyl acetate, and 3% MeOH/ethyl acetate

출처 및 근거

ORD 기록
ord-b0be817df746483ea10091594fa3f226
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08835423B2

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