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Hydrochloric Acid → Ethyl (1RS)-1-(3-Methoxyphenyl)-3-(3,4-methylenedioxyphenyl)indene-2-carboxylate

HRID 862928
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HRID 862928 반응식
O[C:2]1([C:25]2[CH:30]=[CH:29][CH:28]=[C:27]([O:31][CH3:32])[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.Cl>C(Cl)Cl>[CH3:32][O:31][C:27]1[CH:26]=[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:30]=[CH:29][CH:28]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 8000Boron trifluoride etherateHCID 12052TriethylsilaneHCID 18969638Ethyl(1RS)-1-Hydroxy-1-(3-methoxyphenyl)-3-(3,4-methylenedioxypheny)indene-2-carboxylate

생성물 1

HCID 18969664Ethyl (1RS)-1-(3-Methoxyphenyl)-3-(3,4-methylenedioxyphenyl)indene-2-carboxylate수율 31%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of ethyl(1RS)-1-hydroxy-1-(3-methoxyphenyl)-3-(3,4-methylenedioxyphenyl)-indene-2-carboxylate (150 mg, 0.35 mmol) in CH2Cl2 was added triethylsilane (67 μl, 0.42 mmol), followed by boron trifluoride etherate (213 μl, 1.73 mmol). The reaction mixture was allowed to stir for 30 min, at which time was added slowly 5% aqueous HCl. The mixture was extracted with EtOAc. The organic extract was washed successively with H2O, 5% aqueous NaHCO3, H2O and saturated aqueous NaCl and dried (MgSO4). The solvent was removed in vacuo, and the residue was purified by flash chromatography, eluting with 10% EtOAc/hexanes to provide the title compound (45 mg, 31%) as a mixture of Δ1 and Δ2 double bond isomers.

후처리

  1. extractionThe mixture was extracted with EtOAc
  2. extractionThe organic extract
  3. washwas washed successively with H2O, 5% aqueous NaHCO3, H2O and saturated aqueous NaCl
  4. dry with materialdried (MgSO4)
  5. customThe solvent was removed in vacuo
  6. customthe residue was purified by flash chromatography
  7. washeluting with 10% EtOAc/hexanes

출처 및 근거

ORD 기록
ord-43bea72849f44786b4bcc2b8ea41d5c4
출처 데이터셋
uspto-grants-1998_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05719182

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