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Boron trifluoride etherate → Ethyl (RS)-1-(4-Methoxyphenyl)-3-(3,4-methylenedioxyphenyl)indene-2-carboxylate

HRID 399206
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HRID 399206 반응식
O[C:2]1([C:25]2[CH:30]=[CH:29][C:28]([O:31][CH3:32])=[CH:27][CH:26]=2)[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[C:4]([C:11]2[CH:16]=[CH:15][C:14]3[O:17][CH2:18][O:19][C:13]=3[CH:12]=2)=[C:3]1[C:20]([O:22][CH2:23][CH3:24])=[O:21].C([SiH](CC)CC)C.B(F)(F)F.CCOCC>C(Cl)Cl>[CH3:32][O:31][C:28]1[CH:29]=[CH:30][C:25]([CH:2]2[C:10]3[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=3)[C:4]([C:11]3[CH:16]=[CH:15][C:14]4[O:17][CH2:18][O:19][C:13]=4[CH:12]=3)=[C:3]2[C:20]([O:22][CH2:23][CH3:24])=[O:21])=[CH:26][CH:27]=1
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참가 물질

5

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HCID 8000Boron trifluoride etherateHCID 12052TriethylsilaneHCID 18969645Ethyl(1RS)-1-Hydroxy-1-(4-methoxyphenyl)-3-(3,4-methylenedioxyphenyl)indene-2-carboxylate

생성물 1

HCID 18969646Ethyl (RS)-1-(4-Methoxyphenyl)-3-(3,4-methylenedioxyphenyl)indene-2-carboxylate

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
0 °C

실험 절차

To a solution of ethyl(1RS)-1-hydroxy-1-(4-methoxyphenyl)-3-(3,4-methylenedioxyphenyl)-indene-2-carboxylate (0.80 g, 1.9 mmol) in CH2Cl2 (10 ml) at 0° C. under an argon atmosphere was added triethylsilane (0.28 g, 2.4 mmol), followed by boron trifluoride etherate (1 ml, 8.1 mmol). The resulting solution was stirred at 0° C. for 10 min, and was then partitioned between EtOAc and 3M HCl. The organic extract was washed with saturated aqueous NaCl and dried (MgSO4). The solvent was removed in vacuo, and the residue was filtered through a pad of silica gel, eluting with CH2Cl2. The title compound (mixture of Δ1 and Δ2 double bond isomers) was obtained as a glassy, yellow solid (0.72 g, 94%).

후처리

  1. customwas then partitioned between EtOAc and 3M HCl
  2. extractionThe organic extract
  3. washwas washed with saturated aqueous NaCl
  4. dry with materialdried (MgSO4)
  5. customThe solvent was removed in vacuo
  6. filtrationthe residue was filtered through a pad of silica gel
  7. washeluting with CH2Cl2

출처 및 근거

ORD 기록
ord-18c4a6c1a0e943b7812aa5d338387c18
출처 데이터셋
uspto-grants-1998_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05817693

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