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Sodium Bicarbonate → tert-Butyl ((S)-1-(5-((S)-1-aminoethyl)-1-methyl-1H-pyrrolo[3,2-b]pyridin-6-yl)pyrrolidin-3-yl)(methyl)carbamate

HRID 2205597
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HRID 2205597 반응식
[CH3:1][N:2]([C@H:10]1[CH2:14][CH2:13][NH:12][CH2:11]1)[C:3](=[O:9])[O:4][C:5]([CH3:8])([CH3:7])[CH3:6].Br[C:16]1[CH:17]=[C:18]2[N:27]([CH3:28])[CH:26]=[CH:25][C:19]2=[N:20][C:21]=1[C@@H:22]([NH2:24])[CH3:23].CC([O-])(C)C.[K+].C([O-])(O)=O.[Na+]>CCOC(C)=O.O1CCOCC1>[NH2:24][C@H:22]([C:21]1[N:20]=[C:19]2[CH:25]=[CH:26][N:27]([CH3:28])[C:18]2=[CH:17][C:16]=1[N:12]1[CH2:13][CH2:14][C@H:10]([N:2]([CH3:1])[C:3](=[O:9])[O:4][C:5]([CH3:8])([CH3:6])[CH3:7])[CH2:11]1)[CH3:23]
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7

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HCID 516892Sodium BicarbonateHCID 7171888(S)-Methyl-pyrrolidin-3-yl-carbamic acid tert-butyl esterHCID 23665647Potassium tert-butoxideHCID 86707977(S)-1-(6-Bromo-1-methyl-1H-pyrrolo[3,2-b]pyridin-5-yl)ethanamine

생성물 1

HCID 118214738tert-Butyl ((S)-1-(5-((S)-1-aminoethyl)-1-methyl-1H-pyrrolo[3,2-b]pyridin-6-yl)pyrrolidin-3-yl)(methyl)carbamate수율 49.3%

시약·촉매·용매 2

HCID 8857Ethyl Acetate용매HCID 312751,4-Dioxane용매

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온도
90 °C

실험 절차

To a 50 mL pear flask were added (S)-tert-butyl methyl(pyrrolidin-3-yl)carbamate (235 mg, 1.173 mmol) and (S)-1-(6-bromo-1-methyl-1H-pyrrolo[3,2-b]pyridin-5-yl)ethanamine (166 mg, 0.652 mmol). After evacuating the flask and flushing it with nitrogen, the flask was charged with dioxane (1.7 mL) and potassium 2-methylpropan-2-olate (1.0 M in THF, 1.4 mL, 1.4 mmol). The mixture was then heated to 90° C. for 1 hour. After cooling, the mixture was worked up with saturated NaHCO3 and EtOAc. The organic layers were combined, dried over MgSO4, filtered, and concentrated in vacuo. The crude product was purified by preparative HPLC (acid mode, 25-50% ACN/water). The product-containing fractions were neutralized with a small amount of saturated NaHCO3, concentrated in vacuo to remove ACN, and then extracted with EtOAc. The organic layers were combined, dried over MgSO4, filtered, and concentrated in vacuo to give the title compound (120 mg, 49.0%). ESI-MS m/z [M+H]+ calc'd for C20H31N5O2, 374. found 374.

후처리

  1. customAfter evacuating the flask
  2. customflushing it with nitrogen
  3. temperatureAfter cooling
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe crude product was purified by preparative HPLC (acid mode, 25-50% ACN/water)
  8. concentrationconcentrated in vacuo
  9. customto remove ACN
  10. extractionextracted with EtOAc
  11. dry with materialdried over MgSO4
  12. filtrationfiltered
  13. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-596770a747c947aa95584ecf6aa43ece
출처 데이터셋
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09371321B2

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