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Hydrochloric Acid → 3-t-butyl-1-[3-(2-aminoethyl)phenyl]-1H-pyrazol-5 amine

HRID 491988
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인쇄 미리보기

반응식

HRID 491988 반응식
[C:1]([C:5]1[CH:9]=[C:8]([NH2:10])[N:7]([C:11]2[CH:12]=[C:13]([CH2:17][C:18]([NH2:20])=O)[CH:14]=[CH:15][CH:16]=2)[N:6]=1)([CH3:4])([CH3:3])[CH3:2].B.CSC.Cl.[OH-].[Na+]>C1COCC1>[C:1]([C:5]1[CH:9]=[C:8]([NH2:10])[N:7]([C:11]2[CH:16]=[CH:15][CH:14]=[C:13]([CH2:17][CH2:18][NH2:20])[CH:12]=2)[N:6]=1)([CH3:4])([CH3:2])[CH3:3]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 12423031(Dimethyl sulfide)trihydroboronHCID 218673072-(3-(5-amino-3-tert-butyl-1H-pyrazol-1-yl)phenyl)acetamide

생성물 1

HCID 218672973-t-butyl-1-[3-(2-aminoethyl)phenyl]-1H-pyrazol-5 amine수율 47.4%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

To a stirred solution of Example N (2 g, 7.35 mmol) in THF (6 ml) was added borane-methylsulfide (18 mmol). The mixture was heated to reflux for 90 min and cooled to RT, after which 6 N HCl was added and heated to reflux for 10 min. The mixture was basified with NaOH and extracted with EtOAc. The organic layer was dried (Na2SO4) filtered and concentrated in vacuo to yield 3-tert-butyl-1-[3-(2-aminoethyl)phenyl]-1H-pyrazol-5 amine (0.9 g).

후처리

  1. temperatureThe mixture was heated
  2. temperatureto reflux for 90 min
  3. temperatureheated
  4. temperatureto reflux for 10 min
  5. extractionextracted with EtOAc
  6. dry with materialThe organic layer was dried (Na2SO4)
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-170ed2e326ea4bc984e50f59c1a0d849
출처 데이터셋
uspto-grants-2009_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07531566B2

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