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Potassium Phosphate, Tribasic → Methyl 2-(4-fluorophenyl)-3-(isopropyl(methyl)amino)quinoxaline-6-carboxylate

HRID 716988
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HRID 716988 반응식
Cl[C:2]1[C:11]([N:12]([CH:14]([CH3:16])[CH3:15])[CH3:13])=[N:10][C:9]2[C:4](=[CH:5][CH:6]=[C:7]([C:17]([O:19][CH3:20])=[O:18])[CH:8]=2)[N:3]=1.[F:21][C:22]1[CH:27]=[CH:26][C:25](B(O)O)=[CH:24][CH:23]=1.[O-]P([O-])([O-])=O.[K+].[K+].[K+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O1CCOCC1>[F:21][C:22]1[CH:27]=[CH:26][C:25]([C:2]2[C:11]([N:12]([CH:14]([CH3:16])[CH3:15])[CH3:13])=[N:10][C:9]3[C:4](=[CH:5][CH:6]=[C:7]([C:17]([O:19][CH3:20])=[O:18])[CH:8]=3)[N:3]=2)=[CH:24][CH:23]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 62657Potassium Phosphate, TribasicHCID 2856454-Fluorophenylboronic acidHCID 86667203Methyl 2-chloro-3-(isopropyl(methyl)amino)quinoxaline-6-carboxylate

생성물 1

HCID 67042115Methyl 2-(4-fluorophenyl)-3-(isopropyl(methyl)amino)quinoxaline-6-carboxylate

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물
촉매
HCID 312751,4-Dioxane용매

반응 조건

온도
110 °C

실험 절차

Into a 10-mL sealed tube, was placed methyl 2-chloro-3-(isopropyl(methyl)amino)quinoxaline-6-carboxylate (40 mg, 0.14 mmol, 1.00 equiv), 4-fluorophenylboronic acid (57.4 mg, 0.41 mmol, 3.00 equiv), Pd(PPh3)4 (31.4 mg, 0.03 mmol, 0.20 equiv), K3PO4 (116 mg, 0.55 mmol, 4.00 equiv), 1,4-dioxane (3 mL). The resulting solution was stirred for overnight at 110° C. in an oil bath. The solids were filtered out. The filtrate was concentrated under vacuum. The residue was purified by prep-TLC with ethyl acetate/petroleum ether (1:8). This resulted in 42 mg (87%) of methyl 2-(4-fluorophenyl)-3-(isopropyl(methyl)amino)quinoxaline-6-carboxylate as a yellow solid.

후처리

  1. customInto a 10-mL sealed tube
  2. filtrationThe solids were filtered out
  3. concentrationThe filtrate was concentrated under vacuum
  4. customThe residue was purified by prep-TLC with ethyl acetate/petroleum ether (1:8)
  5. customThis resulted in 42 mg (87%) of methyl 2-(4-fluorophenyl)-3-(isopropyl(methyl)amino)quinoxaline-6-carboxylate as a yellow solid

출처 및 근거

ORD 기록
ord-17024fc6bc1c4898a95c52e8573ddf31
출처 데이터셋
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09193693B2

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