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Boc-L-Valine → {(S)-1-[4-fluoro-2-(pyridin-3-ylamino)phenylcarbamoyl]-2-methylpropyl}carbamic acid tert-butyl ester

HRID 242963
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HRID 242963 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]([CH:28]([CH3:30])[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)[CH:28]([CH3:29])[CH3:30])([CH3:17])([CH3:19])[CH3:18]
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참가 물질

6

반응물 4

HCID 83693Boc-L-ValineHCID 181649HOAtHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 584592164-Fluoro-N2-pyridin-3-ylbenzene-1,2-diamine

생성물 1

HCID 68157790{(S)-1-[4-fluoro-2-(pyridin-3-ylamino)phenylcarbamoyl]-2-methylpropyl}carbamic acid tert-butyl ester수율 65.4%

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 (685 mg, 3.0 mmol) in DCM (18 mL) at 0° C. were added (S)-2-tertbutoxycarbonylamino-3-methylbutyric acid (720 mg, 3.3 mmol), HOAt (0.450 g, 3.3 mmol) and N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (0.63 g, 3.3 mmol) and the resulting mixture stirred at 0° C. for 2 h. The reaction mixture was partitioned between DCM and a saturated aqueous solution of NaHCO3. The organic layer was 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]-2-methylpropyl}carbamic acid tert-butyl ester (790 mg). LCMS (Method J): RT 2.10 min [M+H]+ 403.3

후처리

  1. customThe reaction mixture was partitioned between DCM
  2. dry with materialThe organic layer was dried (MgSO4)
  3. concentrationconcentrated in vacuo
  4. customthe resulting residue purified by column chromatography (Si—PCC, gradient 0-60% EtOAc in cyclohexane)

출처 및 근거

ORD 기록
ord-257efabc601b47aba875f59f32c3d02e
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08653089B2

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