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Ethyl Acetate → methyl 6-chloro-5-{4-[3-(piperazin-1-yl)propoxy]phenyl}-1H-indole-3-carboxylate

HRID 338346
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HRID 338346 반응식
[Cl:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:11]([O:13][CH3:14])=[O:12])=[CH:7][NH:8]2)=[CH:4][C:3]=1B1OCC(C)(C)CO1.Br[C:24]1[CH:39]=[CH:38][C:27]([O:28][CH2:29][CH2:30][CH2:31][N:32]2[CH2:37][CH2:36][NH:35][CH2:34][CH2:33]2)=[CH:26][CH:25]=1.C(=O)([O-])[O-].[K+].[K+].C(OCC)(=O)C>C1(C)C=CC=CC=1.C(O)C.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]>[Cl:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:11]([O:13][CH3:14])=[O:12])=[CH:7][NH:8]2)=[CH:4][C:3]=1[C:24]1[CH:39]=[CH:38][C:27]([O:28][CH2:29][CH2:30][CH2:31][N:32]2[CH2:33][CH2:34][NH:35][CH2:36][CH2:37]2)=[CH:26][CH:25]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 8857Ethyl AcetateHCID 11430Potassium CarbonateHCID 185402171-(3-(4-Bromophenoxy)propyl)piperazineHCID 86698665methyl 6-chloro-5-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-1H-indole-3-carboxylate

생성물 1

HCID 86698691methyl 6-chloro-5-{4-[3-(piperazin-1-yl)propoxy]phenyl}-1H-indole-3-carboxylate수율 70%

시약·촉매·용매 2

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)촉매HCID 21863594Toluene ethanol용매

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온도
110 °C

실험 절차

A mixture of methyl 6-chloro-5-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-1H-indole-3-carboxylate (100 mg, 0.311 mmol), 1-(3-(4-bromophenoxy)propyl)piperazine (149 mg, 0.373 mmol), 2.0M aqueous potassium carbonate (0.5 mL, 1.0 mmol), and Pd(dppf)Cl2 (30 mg, 0.03 mmol) in toluene/ethanol (1.44 mL/0.48 mL) was stirred at 110° C. for 2.5 hours. The mixture was poured into ethyl acetate and washed with water. The organic phase was dried over sodium sulfate, filtered, and concentrated to give a residue, which was purified by preparative TLC to give the title compound (90 mg, 70% yield) as a white solid.

후처리

  1. washwashed with water
  2. dry with materialThe organic phase was dried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customto give a residue, which
  6. customwas purified by preparative TLC

출처 및 근거

ORD 기록
ord-c8ef7e41f9244fd59a634460c06ea832
출처 데이터셋
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08889730B2

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