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Dichloromethane → Tert-butyl 4-(5-(2-chlorophenyl)thiophene-2-carbonyl)-3-((pyridin-3-yloxy)methyl)piperazine-1-carboxylate

HRID 1487744
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HRID 1487744 반응식
ClCCl.Br[C:5]1[S:9][C:8]([C:10]([N:12]2[CH2:17][CH2:16][N:15]([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:14][CH:13]2[CH2:25][O:26][C:27]2[CH:28]=[N:29][CH:30]=[CH:31][CH:32]=2)=[O:11])=[CH:7][CH:6]=1.[Cl:33][C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][C:35]=1B(O)O.C(=O)([O-])[O-].[Na+].[Na+]>C1(C)C=CC=CC=1.O1CCOCC1.O>[Cl:33][C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][C:35]=1[C:5]1[S:9][C:8]([C:10]([N:12]2[CH2:17][CH2:16][N:15]([C:18]([O:20][C:21]([CH3:23])([CH3:22])[CH3:24])=[O:19])[CH2:14][CH:13]2[CH2:25][O:26][C:27]2[CH:28]=[N:29][CH:30]=[CH:31][CH:32]=2)=[O:11])=[CH:7][CH:6]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 6344DichloromethaneHCID 10340Sodium CarbonateHCID 27343222-Chlorophenylboronic acidHCID 59671620Tert-butyl 4-(5-bromothiophene-2-carbonyl)-3-((pyridin-3-yloxy)methyl)piperazine-1-carboxylate

생성물 1

HCID 59671550Tert-butyl 4-(5-(2-chlorophenyl)thiophene-2-carbonyl)-3-((pyridin-3-yloxy)methyl)piperazine-1-carboxylate

시약·촉매·용매 3

HCID 962Water용매HCID 1140Toluene용매HCID 312751,4-Dioxane용매

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온도
80 °C

실험 절차

[1,1′-bis(diphenylphosphino)ferrocene]-dichloropalladium(II) complex with dichloromethane (1:1) (7 mg, 0.008 mmol) was added to a mixture of tert-butyl 4-(5-bromothiophene-2-carbonyl)-3-((pyridin-3-yloxy)methyl)piperazine-1-carboxylate (79 mg, 0.16 mmol), 2-chlorobenzeneboronic acid (51 mg, 0.33 mmol) and sodium carbonate (35 mg, 0.33 mmol) in toluene (4 mL), 1,4-dioxane (1 mL), and water (1 mL). The reaction mixture was heated to 80° C. for 2 h. Upon cooling to room temperature, the reaction mixture was filtered, concentrated under reduced pressure, and purified by HPLC (10 to 90% MeCN/0.1% TFA in H2O/0.1% TFA gradient). This gave 75.9 mg (74%, ˜60% pure) of the TFA salt of the desired product. LC-MS: RT=9.60 min, [M+H]+=514.2.

후처리

  1. temperatureUpon cooling to room temperature
  2. filtrationthe reaction mixture was filtered
  3. concentrationconcentrated under reduced pressure
  4. custompurified by HPLC (10 to 90% MeCN/0.1% TFA in H2O/0.1% TFA gradient)

출처 및 근거

ORD 기록
ord-3129e1d1452643e8a17eb50e8c61e319
출처 데이터셋
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09428522B2

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