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1,4-Dioxane → 4-(2-{5-[6-(4-Methyl-pyridin-2-ylamino)-pyridin-2-yl]-oxazol-2-yl}-vinyl)-benzonitrile

HRID 1854593
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HRID 1854593 반응식
[CH3:1][C:2]1[CH:7]=[CH:6][N:5]=[C:4]([NH:8][C:9]2[CH:14]=[CH:13][CH:12]=[C:11]([C:15]3[O:19][CH:18]=[N:17][CH:16]=3)[N:10]=2)[CH:3]=1.Br[CH:21]=[CH:22][C:23]1[CH:30]=[CH:29][C:26]([C:27]#[N:28])=[CH:25][CH:24]=1.O(C(C)(C)C)[Li].O1CCOCC1>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O>[CH3:1][C:2]1[CH:7]=[CH:6][N:5]=[C:4]([NH:8][C:9]2[N:10]=[C:11]([C:15]3[O:19][C:18]([CH:21]=[CH:22][C:23]4[CH:30]=[CH:29][C:26]([C:27]#[N:28])=[CH:25][CH:24]=4)=[N:17][CH:16]=3)[CH:12]=[CH:13][CH:14]=2)[CH:3]=1
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참가 물질

7

반응물 4

HCID 312751,4-DioxaneHCID 53311228(4-Methyl-pyridin-2-yl)-(6-oxazol-5-yl-pyridin-2-yl)-amineHCID 714006384-(2-Bromovinyl)-benzonitrileHCID 178506942HCID 178506942, 화합물

생성물 1

HCID 673240684-(2-{5-[6-(4-Methyl-pyridin-2-ylamino)-pyridin-2-yl]-oxazol-2-yl}-vinyl)-benzonitrile수율 25.3%

시약·촉매·용매 2

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 962Water용매

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온도
100 °C

실험 절차

A sealed tube was charged with a mixture of (4-methyl-pyridin-2-yl)-(6-oxazol-5-yl-pyridin-2-yl)-amine (200 mg, 0.793 mmol), 4-(2-bromovinyl)-benzonitrile (330 mg, 1.59 mmol), Pd(PPh3)4 (46 mg, 0.0396 mmol), LiOtBu (127 mg, 1.59 mmol) and anhydrous 1,4-dioxane (5 ml) and heated to 100° C. with stirring for 2 h. The cooled reaction mixture was treated with water and extracted with DCM. The combined organics were dried over MgSO4, filtered and evaporated under reduced pressure before purification by column chromatography on SiO2, eluting with 50% EtOAc in cyclohexane to afford the title compound as a yellow solid (76 mg, 25%). 1H NMR (300 MHz, DMSO-d6) δ=9.79 (s, 1H), 8.12 (d, J=5.1 Hz, 1H), 7.97 (d, J=8.3 Hz, 2H), 7.90 (d, J=8.2 Hz, 2H), 7.86-7.61 (m, 5H), 7.46 (d, J=16.3 Hz, 1H), 7.36 (d, J=7.3 Hz, 1H), 6.78 (d, J=4.7 Hz, 1H), 2.35 (s, 3H). (ESI+) m/z 380 (M+H).

후처리

  1. customThe cooled reaction mixture
  2. extractionextracted with DCM
  3. dry with materialThe combined organics were dried over MgSO4
  4. filtrationfiltered
  5. customevaporated under reduced pressure before purification by column chromatography on SiO2
  6. washeluting with 50% EtOAc in cyclohexane

출처 및 근거

ORD 기록
ord-d2f8f8cfa30b4a99915291f4d919c6ba
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08962665B2

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