2,2-Dimethylpiperazine → HCID 178489807, 화합물

HRID 1092083

반응식

HRID 1092083 반응식
[CH3:1][C:2]1([CH3:8])[CH2:7][NH:6][CH2:5][CH2:4][NH:3]1.Cl[C:10]1[N:11]=[CH:12][C:13]([C:16]([NH:18][C:19]2[NH:20][N:21]=[C:22]([CH2:24][CH2:25][C:26]3[CH:31]=[C:30]([O:32][CH3:33])[CH:29]=[C:28]([O:34][CH3:35])[CH:27]=3)[CH:23]=2)=[O:17])=[N:14][CH:15]=1>CS(C)=O>[CH3:33][O:32][C:30]1[CH:31]=[C:26]([CH2:25][CH2:24][C:22]2[CH:23]=[C:19]([NH:18][C:16]([C:13]3[CH:12]=[N:11][C:10]([N:6]4[CH2:5][CH2:4][NH:3][C:2]([CH3:8])([CH3:1])[CH2:7]4)=[CH:15][N:14]=3)=[O:17])[NH:20][N:21]=2)[CH:27]=[C:28]([O:34][CH3:35])[CH:29]=1

참가 물질

4

반응물 2

HCID 146641862,2-DimethylpiperazineHCID 178489782HCID 178489782, 화합물

생성물 1

HCID 178489807HCID 178489807, 화합물수율 47%

시약·촉매·용매 1

HCID 679Dimethyl Sulfoxide용매

반응 조건

온도
100 °C

실험 절차

2,2-Dimethylpiperazine (343 mg, 3.00 mmol) was added in one portion to 5-chloro-N-[5-[2-(3,5-dimethoxyphenyl)ethyl]-2H-pyrazol-3-yl]pyrazine-2-carboxamide (388 mg, 1 mmol) in anhydrous dimethylsulfoxide (1.00 ml) at 25° C. The resulting solution was stirred at 100° C. for 18 h. The crude product was purified by ion exchange chromatography, using a SCX column. The desired product was eluted from the column using 7M NH3/MeOH to afford impure material. The concentrated eluent was purified by preparative HPLC, using decreasingly polar mixtures of water (containing 1% NH3) and MeCN as eluents. Fractions containing the desired compound were evaporated to dryness to afford the title compound (217 mg, 47%) as a yellow solid.

후처리

  1. customThe crude product was purified by ion exchange chromatography
  2. washThe desired product was eluted from the column
  3. customto afford impure material
  4. customThe concentrated eluent was purified by preparative HPLC
  5. additionFractions containing the desired compound
  6. customwere evaporated to dryness

출처 및 근거

ORD 기록
ord-8ef99d9e0b9849f09055d98b23148df8
출처 데이터셋
uspto-grants-2012_03
특허 번호
US08129391B2

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