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Dichloromethane → Dimethyl (2s,3s,5r)-5-[(methylsulfonyl)oxy]-2-[(4-phenylpiperazin-1-yl)carbonyl]piperidine-1,3-dicarboxylate

HRID 61467
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HRID 61467 반응식
[OH:1][C@H:2]1[CH2:7][N:6]([C:8]([O:10][CH3:11])=[O:9])[C@H:5]([C:12]([N:14]2[CH2:19][CH2:18][N:17]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)[CH2:16][CH2:15]2)=[O:13])[C@@H:4]([C:26]([O:28][CH3:29])=[O:27])[CH2:3]1.C(N(CC)CC)C.C(Cl)Cl.[CH3:40][S:41](Cl)(=[O:43])=[O:42]>>[CH3:40][S:41]([O:1][C@H:2]1[CH2:7][N:6]([C:8]([O:10][CH3:11])=[O:9])[C@H:5]([C:12]([N:14]2[CH2:19][CH2:18][N:17]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)[CH2:16][CH2:15]2)=[O:13])[C@@H:4]([C:26]([O:28][CH3:29])=[O:27])[CH2:3]1)(=[O:43])=[O:42]
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5

반응물 4

HCID 6344DichloromethaneHCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 67304460dimethyl(2S,3S,5R)-5-hydroxy-2-[(4-phenylpiperazin-1-yl)carbonyl]piperidine-1,3-dicarboxylate

생성물 1

HCID 87348459Dimethyl (2s,3s,5r)-5-[(methylsulfonyl)oxy]-2-[(4-phenylpiperazin-1-yl)carbonyl]piperidine-1,3-dicarboxylate

실험 절차

To a stirred solution of dimethyl(2S,3S,5R)-5-hydroxy-2-[(4-phenylpiperazin-1-yl)carbonyl]piperidine-1,3-dicarboxylate (1.00 g, 0.00247 mol) and triethylamine (0.412 mL, 0.00296 mol) in methylene chloride (20.00 mL, 0.3120 mol) was added methanesulfonyl chloride (0.210 mL, 0.00271 mol). The mixture was stirred at rt overnight. After quenched with MeOH, the mixture was evaporated to dry in vacuo and diluted with ethyl acetate. The organic layers were washed with water, brine and dried, concentrated to dry. The residue was purified on silica gel, eluting with 0 to 80% EtOAc in hexane, to generate the mesylate compound (0.98 g, 82%). MS (ESI): (M+H)+=484.1.

후처리

  1. customAfter quenched with MeOH
  2. customthe mixture was evaporated
  3. customto dry in vacuo
  4. additiondiluted with ethyl acetate
  5. washThe organic layers were washed with water, brine
  6. customdried
  7. concentrationconcentrated
  8. customto dry
  9. customThe residue was purified on silica gel
  10. washeluting with 0 to 80% EtOAc in hexane

출처 및 근거

ORD 기록
ord-d3013c6d1f864198a58ec49a70551ad2
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09440958B2

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