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Potassium Phosphate, Tribasic → 6-(2-Cyclopropylpyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one

HRID 12296
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HRID 12296 반응식
Cl[C:2]1[N:7]=[C:6]([C:8]2[CH:9]=[C:10]([C:23]3[N:27]([CH2:28][O:29][CH2:30][CH2:31][Si:32]([CH3:35])([CH3:34])[CH3:33])[C:26]4[CH:36]=[CH:37][CH:38]=[CH:39][C:25]=4[N:24]=3)[C:11](=[O:22])[N:12]([CH2:14][O:15][CH2:16][CH2:17][Si:18]([CH3:21])([CH3:20])[CH3:19])[N:13]=2)[CH:5]=[CH:4][N:3]=1.[CH:40]1(B(O)O)[CH2:42][CH2:41]1.P([O-])([O-])([O-])=O.[K+].[K+].[K+]>C1(C)C=CC=CC=1.O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[CH:40]1([C:2]2[N:7]=[C:6]([C:8]3[CH:9]=[C:10]([C:23]4[N:27]([CH2:28][O:29][CH2:30][CH2:31][Si:32]([CH3:35])([CH3:34])[CH3:33])[C:26]5[CH:36]=[CH:37][CH:38]=[CH:39][C:25]=5[N:24]=4)[C:11](=[O:22])[N:12]([CH2:14][O:15][CH2:16][CH2:17][Si:18]([CH3:21])([CH3:20])[CH3:19])[N:13]=3)[CH:5]=[CH:4][N:3]=2)[CH2:42][CH2:41]1
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참가 물질

7

반응물 3

HCID 62657Potassium Phosphate, TribasicHCID 2760897Cyclopropylboronic acidHCID 866116106-(2-chloropyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one

생성물 1

HCID 686798776-(2-Cyclopropylpyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one

시약·촉매·용매 3

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)촉매HCID 962Water용매2회HCID 1140Toluene용매

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온도
100 °C

실험 절차

100 mg of 6-(2-chloropyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one, 29.2 mg of cyclopropylboronic acid and 138 mg of potassium phosphate are dissolved in 1 ml of toluene and 0.05 ml of water and, under an argon atmosphere, 17 mg of 1,1′-bis(diphenylphosphino)ferrocenepalladium(II) chloride (1:1 complex with CH2Cl2) are added. The mixture is stirred at 100° C. for 9 h. After cooling to room temperature, it is diluted with 15 ml of water and extracted several times with ethyl acetate, and the combined organic phases are extracted once more with saturated sodium chloride solution and dried using a Varian Chem Elut CE 1005 cartridge. The crude product is purified by RP HPLC (acetonitrile (+0.05% HCOOH)/water (+0.05% HCOOH)).

후처리

  1. temperatureAfter cooling to room temperature
  2. extractionextracted several times with ethyl acetate
  3. extractionthe combined organic phases are extracted once more with saturated sodium chloride solution
  4. customdried
  5. customThe crude product is purified by RP HPLC (acetonitrile (+0.05% HCOOH)/water (+0.05% HCOOH))

출처 및 근거

ORD 기록
ord-75bad0bdb18843a0926daf2d162608bf
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07727989B2

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