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Triethylamine → {(S)-6-[(R)-4-Bromomethyl-5-trifluoromethyl-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester

HRID 1422630
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인쇄 미리보기

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HRID 1422630 반응식
CS([Br:5])(=O)=O.[CH3:6][O:7][C:8](=[O:35])[CH2:9][C@H:10]1[C:14]2[CH:15]=[CH:16][C:17]([O:19][C@H:20]3[C:28]4[C:23](=[C:24]([CH2:33]O)[C:25]([C:29]([F:32])([F:31])[F:30])=[CH:26][CH:27]=4)[CH2:22][CH2:21]3)=[CH:18][C:13]=2[O:12][CH2:11]1.C(N(CC)CC)C>ClCCl>[CH3:6][O:7][C:8](=[O:35])[CH2:9][C@H:10]1[C:14]2[CH:15]=[CH:16][C:17]([O:19][C@H:20]3[C:28]4[C:23](=[C:24]([CH2:33][Br:5])[C:25]([C:29]([F:32])([F:31])[F:30])=[CH:26][CH:27]=4)[CH2:22][CH2:21]3)=[CH:18][C:13]=2[O:12][CH2:11]1
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 190026Methanesulfonyl bromideHCID 86700812{(S)-6-[(R)-4-Hydroxymethyl-5-trifluoromethyl-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester

생성물 1

HCID 86700813{(S)-6-[(R)-4-Bromomethyl-5-trifluoromethyl-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

실험 절차

Methylsulfonyl bromide (0.96 mL) is added to a solution of {(S)-6-[(R)-4-hydroxymethyl-5-trifluoromethyl-indan-1-yloxy]-2,3-dihydro-benzofuran-3-yl}-acetic acid methyl ester (2.00 g) and triethylamine (1.98 mL) in dichloromethane (20 mL) chilled in an ice bath. The cooling bath is removed, and the solution is stirred at room temperature overnight. More dichloromethane is added, and the resulting solution is washed with aqueous NaHCO3 solution and brine, dried (Na2SO4), and concentrated. The residue is chromatographed on silica gel (cyclohexane/ethyl acetate) to give the title compound. LC (method 4): tR=1.24 min.

후처리

  1. temperaturechilled in an ice bath
  2. customThe cooling bath is removed
  3. additionMore dichloromethane is added
  4. washthe resulting solution is washed with aqueous NaHCO3 solution and brine
  5. dry with materialdried (Na2SO4)
  6. concentrationconcentrated
  7. customThe residue is chromatographed on silica gel (cyclohexane/ethyl acetate)

출처 및 근거

ORD 기록
ord-b812af822070495dac7dd6a551ba2b69
출처 데이터셋
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08927531B2

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