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Ethanesulfonamide → Ethanesulfonic acid [2-(3-{6-[2-(2,4-dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionyl]-amide

HRID 216263
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HRID 216263 반응식
CCN=C=NCCCN(C)C.Cl.[Cl:13][C:14]1[CH:19]=[C:18]([Cl:20])[CH:17]=[CH:16][C:15]=1[CH2:21][CH2:22][NH:23][C:24]1[N:29]=[C:28]([O:30][CH3:31])[N:27]=[C:26]([C:32]2[CH:33]=[C:34]([C:38]([CH3:43])([CH3:42])[C:39]([OH:41])=O)[CH:35]=[CH:36][CH:37]=2)[CH:25]=1.[CH2:44]([S:46]([NH2:49])(=[O:48])=[O:47])[CH3:45]>CN(C)C1C=CN=CC=1.C(Cl)Cl>[Cl:13][C:14]1[CH:19]=[C:18]([Cl:20])[CH:17]=[CH:16][C:15]=1[CH2:21][CH2:22][NH:23][C:24]1[N:29]=[C:28]([O:30][CH3:31])[N:27]=[C:26]([C:32]2[CH:33]=[C:34]([C:38]([CH3:43])([CH3:42])[C:39]([NH:49][S:46]([CH2:44][CH3:45])(=[O:48])=[O:47])=[O:41])[CH:35]=[CH:36][CH:37]=2)[CH:25]=1
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참가 물질

6

반응물 3

HCID 73702EthanesulfonamideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 11669780Pgd2-IN-1

생성물 1

HCID 57636027Ethanesulfonic acid [2-(3-{6-[2-(2,4-dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionyl]-amide수율 55.2%

시약·촉매·용매 2

HCID 14284
4-(Dimethylamino)pyridine
촉매
HCID 6344Dichloromethane용매

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온도
60 °C

실험 절차

N-(3-dimethylaminopropyl)-N-ethylcarbodimide hydrochloride (44 mg, 0.23 mmol) is added to a stirred ice cold solution of 2-(3-{6-[2-(2,4-dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionic acid (100 mg, 0.22 mmol), ethanesulfonamide (25 mg, 0.23 mmol) and 4-Dimethylaminopyridine (27 mg, 0.22 mmol) in dry DCM under nitrogen atmosphere. The ice bath is removed and the reaction mixture is stirred overnight at 60° C. The volatiles are removed under reduced pressure, the residue is dissolved in ethyl acetate, washed with 0.1 N HCl, brine and water, dried over sodium sulfate, filtered and concentrated under reduced pressure. The crude residue is purified by chromatography (SiO2 packed column), eluting with EtOAc/DCM to afford ethanesulfonic acid [2-(3-{6-[2-(2,4-dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-phenyl)-2-methyl-propionyl]-amide [67 mg, Example 95(a)]. LCMS: RT=2.49 minutes, MS: 551, 553 (M+H).

후처리

  1. customThe ice bath is removed
  2. customThe volatiles are removed under reduced pressure
  3. dissolutionthe residue is dissolved in ethyl acetate
  4. washwashed with 0.1 N HCl, brine and water
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customThe crude residue is purified by chromatography (SiO2 packed column)
  9. washeluting with EtOAc/DCM

출처 및 근거

ORD 기록
ord-95bd7144ece04bc78818b14bc218012a
출처 데이터셋
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08193183B2

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