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Trifluoroacetic acid → (2R)-2-amino-N-[6-(7-methylspiro[2H-benzofuran-3,1'-cyclopropane]-4-yl)oxy-3-pyridyl]butanamide

HRID 527621
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HRID 527621 반응식
[CH3:1][C:2]1[C:7]2[O:8][CH2:9][C:10]3([CH2:12][CH2:11]3)[C:6]=2[C:5]([O:13][C:14]2[N:19]=[CH:18][C:17]([NH:20][C:21]([C@H:23]([NH:26]C(=O)OC(C)(C)C)[CH2:24][CH3:25])=[O:22])=[CH:16][CH:15]=2)=[CH:4][CH:3]=1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[NH2:26][C@H:23]([CH2:24][CH3:25])[C:21]([NH:20][C:17]1[CH:18]=[N:19][C:14]([O:13][C:5]2[C:6]3[C:10]4([CH2:9][O:8][C:7]=3[C:2]([CH3:1])=[CH:3][CH:4]=2)[CH2:12][CH2:11]4)=[CH:15][CH:16]=1)=[O:22]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 6422Trifluoroacetic acidHCID 86698449tert-butyl N-[(1R)-1-[[6-(7-methylspiro[2H-benzofuran-3,1'-cyclopropane]-4-yl)oxy-3-pyridyl]carbamoyl]propyl]carbamate2회

생성물 1

HCID 67960014(2R)-2-amino-N-[6-(7-methylspiro[2H-benzofuran-3,1'-cyclopropane]-4-yl)oxy-3-pyridyl]butanamide수율 95.7%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of tert-butyl N-[(1R)-1-[[6-(7-methylspiro[2H-benzofuran-3,1′-cyclopropane]-4-yl)oxy-3-pyridyl]carbamoyl]propyl]carbamate (Intermediate 159, 55 mg) in dry DCM (3 ml) at 0° C. TFA (1 ml) was slowly added and the reaction mixture was stirred for 3 hours at the same temperature. The solvent and the excess of TFA were removed under reduced pressure and the residue was diluted with DCM (10 ml) and an aqueous saturated solution NaHCO3 was added while the pH was allowed to reach ˜8. Two phases were separated and the organic layer was dried (Na2SO4), filtered and evaporated affording the title compound (41 mg) as white solid.

후처리

  1. customat 0° C
  2. customThe solvent and the excess of TFA were removed under reduced pressure
  3. additionthe residue was diluted with DCM (10 ml)
  4. additionan aqueous saturated solution NaHCO3 was added while the pH
  5. customTwo phases were separated
  6. dry with materialthe organic layer was dried (Na2SO4)
  7. filtrationfiltered
  8. customevaporated

출처 및 근거

ORD 기록
ord-20850cb1f4294b5e8cdaa0009af86f74
출처 데이터셋
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09346790B2

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