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Dimethylformamide → 3-(2-Carboxymethoxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indan-2-ylacetic acid

HRID 862365
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HRID 862365 반응식
[C:1]([CH2:8][O:9][C:10]1[CH:15]=[C:14]([O:16][CH3:17])[CH:13]=[CH:12][C:11]=1[CH:18]1[C:26]2[C:21](=[CH:22][CH:23]=[C:24]([O:27][CH2:28][CH2:29][CH3:30])[CH:25]=2)[CH:20]([C:31]2[CH:36]=[CH:35][C:34]3[O:37][CH2:38][O:39][C:33]=3[CH:32]=2)[CH:19]1[CH2:40]C#N)([O:3]C(C)(C)C)=[O:2].C(CC1C(C2C=CC([O:61]C)=CC=2O)C2C(=CC=C(OCCC)C=2)C1C1C=CC2OCOC=2C=1)#N.[H-].[Na+].C(OC(=O)CBr)CCC.CN([CH:91]=[O:92])C>>[C:1]([CH2:8][O:9][C:10]1[CH:15]=[C:14]([O:16][CH3:17])[CH:13]=[CH:12][C:11]=1[CH:18]1[C:26]2[C:21](=[CH:22][CH:23]=[C:24]([O:27][CH2:28][CH2:29][CH3:30])[CH:25]=2)[CH:20]([C:31]2[CH:36]=[CH:35][C:34]3[O:37][CH2:38][O:39][C:33]=3[CH:32]=2)[CH:19]1[CH2:40][C:91]([OH:92])=[O:61])([OH:3])=[O:2]
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참가 물질

6

반응물 5

HCID 6228DimethylformamideHCID 24758Sodium hydrideHCID 87883Butyl bromoacetateHCID 867521292-Cyanomethyl-3-(2-hydroxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indaneHCID 1317204703-(2-Carbo-t-butoxymethoxy-4-methoxyphenyl)-2-cyanomethyl-1-(3,4-methylenedioxyphenyl)-5-propoxyindane

생성물 1

HCID 10166371
3-(2-Carboxymethoxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indan-2-ylacetic acid
수율 79%

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온도
0 °C

실험 절차

1RS, 2RS, 3RS)-3-(2-Carbo-t-butoxymethoxy-4-methoxyphenyl)-2-cyanomethyl-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indane. To a solution of 1RS, 2RS, 3RS)-2-cyanomethyl-3-(2-hydroxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indane (250 mg, 0.55 mmol) in DMF (4 ml) stirred at 0° C. under argon added NaH (21 mg of 80% oil dispersion, 0.7 mmol). The mixture stirred at 0° C. for 15 min then t -butylbromoacetate (107 mg, 0.55 mmol) was added. The cooling bath was removed and the mixture was stirred for 3 h at room temperature then partitioned between EtOAc and 3N HCl. The organic extract was washed with H2O, saturated NaHCO3 solution, H2O, then brine, dried (Na2SO4) and solvent removed in vacuo. The residue was purified by flash chromatography on silica gel, (eluent 25-50% Et2O/hexanes) to afford the title compound as an oil (247 mg, 79%).

후처리

  1. additionwas added
  2. customThe cooling bath was removed
  3. stirringthe mixture was stirred for 3 h at room temperature
  4. customthen partitioned between EtOAc and 3N HCl
  5. extractionThe organic extract
  6. washwas washed with H2O, saturated NaHCO3 solution, H2O
  7. dry with materialbrine, dried (Na2SO4) and solvent
  8. customremoved in vacuo
  9. customThe residue was purified by flash chromatography on silica gel, (eluent 25-50% Et2O/hexanes)

출처 및 근거

ORD 기록
ord-76111bdc62b140d08b58c86c735698fe
출처 데이터셋
uspto-grants-1998_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05716984

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