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Acetic Acid → 3-{5-amino-4-[3-(4-methyl-piperazin-1-ylmethyl)-benzoyl]-pyrazol-1-yl}-N-cyclopropyl-4-methyl-benzamide

HRID 2041033
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HRID 2041033 반응식
[NH2:1][C:2]1[N:6]([C:7]2[CH:8]=[C:9]([CH:16]=[CH:17][C:18]=2[CH3:19])[C:10]([NH:12][CH:13]2[CH2:15][CH2:14]2)=[O:11])[N:5]=[CH:4][C:3]=1[C:20](=[O:29])[C:21]1[CH:26]=[CH:25][CH:24]=[C:23]([CH:27]=O)[CH:22]=1.[CH3:30][N:31]1[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]1.CC(O)=O.[OH-].[Na+]>ClCCl.ClCCCl>[NH2:1][C:2]1[N:6]([C:7]2[CH:8]=[C:9]([CH:16]=[CH:17][C:18]=2[CH3:19])[C:10]([NH:12][CH:13]2[CH2:14][CH2:15]2)=[O:11])[N:5]=[CH:4][C:3]=1[C:20](=[O:29])[C:21]1[CH:26]=[CH:25][CH:24]=[C:23]([CH2:27][N:34]2[CH2:35][CH2:36][N:31]([CH3:30])[CH2:32][CH2:33]2)[CH:22]=1
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참가 물질

7

반응물 4

HCID 176Acetic AcidHCID 14798Sodium HydroxideHCID 531671-MethylpiperazineHCID 112806793-[5-amino-4-(3-formylbenzoyl)-pyrazol-1-yl]-N-cyclopropyl-4-methylbenzamide

생성물 1

HCID 117518073-{5-amino-4-[3-(4-methyl-piperazin-1-ylmethyl)-benzoyl]-pyrazol-1-yl}-N-cyclopropyl-4-methyl-benzamide수율 67%

시약·촉매·용매 2

HCID 111,2-Dichloroethane용매
HCID 6344Dichloromethane용매

실험 절차

To a mixture of 3-[5-amino-4-(3-formyl-benzoyl)-pyrazol-1-yl]-N-cyclopropyl-4-methyl-benzamide 6 (Example 9, 1.0 eq) and 1-methyl-piperazine (1.09 eq) in equal volume of 1,2-dichloroethane and dichloromethane was added AcOH (0.96 eq) Sodium triacetoxyborohydride (1.5 eq) was then added. The reaction mixture was stirred at room temperature for 2 h. Aqueous NaOH was added to quench the reaction and the mixture was extracted with ethyl acetate. The organic layer was separated and washed with water and saturated NaCl solution. The organic layer was then dried over Na2SO4, filtered and concentrated to give a residue that could be purified by silica gel chromatography (eluent: 9/1 CH2Cl2/methanol then 9/1/0.05 CH2Cl2/MeOH/NH3H2O). Yield 67%. MS m/z 473.3 [M+H]+; 1H NMR (300 MHz, CDCl3) 0.61 (m, 2H), 0.86 (m, 2H), 2.26 (s, 3H), 2.30 (s, 3H), 2.52 (brs, 8H), 2.90 (m, 1H), 3.60 (s, 2H), 5.87 (brs, 1H), 6.30 (brs, 2H), 7.45 (m, 3H), 7.70 (m, 2H), 7.83 (m, 3H) ppm.

후처리

  1. additionwas then added
  2. customto quench
  3. customthe reaction
  4. extractionthe mixture was extracted with ethyl acetate
  5. customThe organic layer was separated
  6. washwashed with water and saturated NaCl solution
  7. dry with materialThe organic layer was then dried over Na2SO4
  8. filtrationfiltered
  9. concentrationconcentrated
  10. customto give a residue that
  11. customcould be purified by silica gel chromatography (eluent

출처 및 근거

ORD 기록
ord-1c49fe7977a24ee09048bb32a37982a6
출처 데이터셋
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08580838B2

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