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Hydrochloric Acid → Methyl Hydroxyethyl Piperazinyl Methyl Pyrimidinylamino Thiazolecarboxylate

HRID 515246
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HRID 515246 반응식
Cl[C:2]1[N:7]=[C:6]([CH3:8])[N:5]=[C:4]([N:9]2[CH2:14][CH2:13][N:12]([CH2:15][CH2:16][OH:17])[CH2:11][CH2:10]2)[CH:3]=1.[NH2:18][C:19]1[S:20][C:21]([C:24]([O:26][CH3:27])=[O:25])=[CH:22][N:23]=1.C(=O)([O-])[O-].[Cs+].[Cs+].C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.Cl>C([O-])(=O)C.[Pd+2].C([O-])(=O)C.C1(C)C=CC=CC=1>[OH:17][CH2:16][CH2:15][N:12]1[CH2:13][CH2:14][N:9]([C:4]2[N:5]=[C:6]([CH3:8])[N:7]=[C:2]([NH:18][C:19]3[S:20][C:21]([C:24]([O:26][CH3:27])=[O:25])=[CH:22][N:23]=3)[CH:3]=2)[CH2:10][CH2:11]1
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참가 물질

8

반응물 5

HCID 313Hydrochloric AcidHCID 10796Cesium carbonateHCID 238005Methyl 2-aminothiazole-5-carboxylate2회HCID 634876Binap, (A+-)-HCID 144795582-(4-(6-Chloro-2-methylpyrimidin-4-yl)piperazin-1-yl)ethanol2회

생성물 1

HCID 49821888
Methyl Hydroxyethyl Piperazinyl Methyl Pyrimidinylamino Thiazolecarboxylate
수율 75.3%

시약·촉매·용매 2

HCID 167845palladium(II) acetate촉매HCID 1140Toluene용매

실험 절차

2-(4-(6-chloro-2-methylpyrimidin-4-yl)piperazin-1-yl)ethanol (Compound 4) (25.7 g, 0.1 mol), methyl 2-aminothiazole-5-formate (Compound 5) (18.9 g, 0.12 mol), cesium carbonate (45.6 g, 0.14 mol), palladium acetate (2.2 g, 0.01 mol) and BINAP (6.2 g, 0.01 mol) were mixed with toluene (1100 mL) in reaction flask, and heated by stirring to reflux for 16 h. The reactant was cooled and 2 mol/L hydrochloric acid was added and stirred for 10 mins. After vacuum filtration the filtrate was phase-separated and the aqueous phase was extracted by toluene (500 mL). The separated aqueous phase was neutralized by NaOH solution (6 mol/L) at 10-15° C., and then grew the grains for 1 h. After vacuum filtration the cake was rinsed by water to give yellow solid target Compound 6 (28.5 g, yield: 75.2%).

후처리

  1. temperatureheated
  2. temperatureto reflux for 16 h
  3. temperatureThe reactant was cooled
  4. stirringstirred for 10 mins
  5. filtrationAfter vacuum filtration the filtrate
  6. customwas phase-separated
  7. extractionthe aqueous phase was extracted by toluene (500 mL)
  8. customwas neutralized by NaOH solution (6 mol/L) at 10-15° C.
  9. customfor 1 h
  10. filtrationAfter vacuum filtration the cake
  11. washwas rinsed by water

출처 및 근거

ORD 기록
ord-4c7f379581124faea8f9d7096b64a957
출처 데이터셋
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09108954B2

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