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HOAt → {(S)-1-[4-fluoro-2-(pyridin-3-ylamino)phenylcarbamoyl]propyl}carbamic acid tert-butyl ester

HRID 242969
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HRID 242969 반응식
[F:1][C:2]1[CH:3]=[C:4]([NH:9][C:10]2[CH:11]=[N:12][CH:13]=[CH:14][CH:15]=2)[C:5]([NH2:8])=[CH:6][CH:7]=1.[C:16]([O:20][C:21]([NH:23][C@@H:24]([CH2:28][CH3:29])[C:25](O)=[O:26])=[O:22])([CH3:19])([CH3:18])[CH3:17].C1C=NC2N(O)N=NC=2C=1.Cl.CN(C)CCCN=C=NCC>C(Cl)Cl>[C:16]([O:20][C:21](=[O:22])[NH:23][C@H:24]([C:25](=[O:26])[NH:8][C:5]1[CH:6]=[CH:7][C:2]([F:1])=[CH:3][C:4]=1[NH:9][C:10]1[CH:11]=[N:12][CH:13]=[CH:14][CH:15]=1)[CH2:28][CH3:29])([CH3:17])([CH3:18])[CH3:19]
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참가 물질

6

반응물 4

HCID 181649HOAtHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2755934(S)-2-((tert)-Butoxycarbonyl)amino)butanoic acidHCID 584592164-Fluoro-N2-pyridin-3-ylbenzene-1,2-diamine

생성물 1

HCID 68157109{(S)-1-[4-fluoro-2-(pyridin-3-ylamino)phenylcarbamoyl]propyl}carbamic acid tert-butyl ester수율 75%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
0 °C

실험 절차

To a solution of 4-fluoro-N2-pyridin-3-ylbenzene-1,2-diamine (0.594 g, 2.9 mmol) in DCM (18 mL) at 0° C. were added (S)-2-tertbutoxycarbonylaminobutyric acid (650 mg, 3.2 mmol), HOAt (440 mg, 3.2 mmol) and N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (610 mg, 3.2 mmol) and the reaction mixture stirred at 0° C. for 2 h. The crude mixture was partitioned between DCM and a saturated aqueous solution of NaHCO3. The organic phase was washed with brine, dried (MgSO4), concentrated in vacuo and the resulting residue purified by column chromatography (Si—PCC, gradient 0-60% EtOAc in cyclohexane) to afford {(S)-1-[4-fluoro-2-(pyridin-3-ylamino)phenylcarbamoyl]propyl}carbamic acid tert-butyl ester (839 mg, 75%). LCMS (Method J): RT 0.69 min [M+H]+ 389.2.

후처리

  1. customThe crude mixture was partitioned between DCM
  2. washThe organic phase was washed with brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated in vacuo
  5. customthe resulting residue purified by column chromatography (Si—PCC, gradient 0-60% EtOAc in cyclohexane)

출처 및 근거

ORD 기록
ord-8aa39074392a4974b5e288b1405134ea
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08653089B2

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