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Dichloromethane → 4-Pyridin-3-yl-indan-1-one O-methyl-oxime

HRID 656460
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HRID 656460 반응식
[CH3:1][O:2][N:3]=[C:4]1[C:12]2[C:7](=[C:8](Br)[CH:9]=[CH:10][CH:11]=2)[CH2:6][CH2:5]1.[N:14]1[CH:19]=[CH:18][CH:17]=[C:16](B(O)O)[CH:15]=1.C(=O)([O-])[O-].[Na+].[Na+].C(Cl)Cl>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].O.CCO.COCCOC>[CH3:1][O:2][N:3]=[C:4]1[C:12]2[C:7](=[C:8]([C:16]3[CH:15]=[N:14][CH:19]=[CH:18][CH:17]=3)[CH:9]=[CH:10][CH:11]=2)[CH2:6][CH2:5]1
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참가 물질

9

반응물 4

HCID 6344DichloromethaneHCID 10340Sodium CarbonateHCID 27343783-Pyridinylboronic acidHCID 766564474-Bromoindan-1-one O-methyloxime

생성물 1

HCID 860167824-Pyridin-3-yl-indan-1-one O-methyl-oxime

시약·촉매·용매 4

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
촉매
HCID 702Ethanol용매
HCID 962Water용매
HCID 80711,2-Dimethoxyethane용매

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온도
160 °C

실험 절차

4-Bromoindan-1-one O-methyloxime (720 mg, 3.0 mmol) was added to a mixture of pyridine-3-boronic acid (406 mg, 3.3 mmol), sodium carbonate (477 mg, 4.5 mmol) and Pd(dppf)Cl2.CH2Cl2 (122 mg, 0.15 mmol) in 7:2:3 DME:EtOH:H2O (15 mL). The stirred mixture was heated at 160° C. for 3 minutes on the microwave. After cooling to ambient temperature, the reaction mixture was filtered through celite, then silica gel with ethyl acetate. The filtrate was concentrated to a brown oil and chromatographed on silica gel with 70% ethyl acetate in hexane. Obtained 4-pyridin-3-yl-indan-1-one O-methyloxime (667 mg, 93%) as a yellow oil. MS (ESI) m/z: 239.1 [M+H]. 1H NMR (DMSO-d6) δ: 2.81 (m, 2H), 3.08 (m, 2H), 3.92 (s, 3H), 7.45 (m, 2H), 7.48 & 7.51 (pair of dd, 1H), 7.63 (dd, 1H), 7.94 & 7.97 (pair of dd, 1H), 8.60 (dd, 1H), 8.72 (dd, 1H).

후처리

  1. temperatureAfter cooling to ambient temperature
  2. filtrationthe reaction mixture was filtered through celite
  3. concentrationThe filtrate was concentrated to a brown oil
  4. customchromatographed on silica gel with 70% ethyl acetate in hexane

출처 및 근거

ORD 기록
ord-7a129de8a5a748cea569ca91883ca890
출처 데이터셋
uspto-grants-2011_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08071762B2

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