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2-Bromo-4-fluorobenzene-1-sulfonyl chloride → methyl 7-(2-bromo-4-fluorobenzenesulfonylamino)-4H-5-oxa-3,9b-diazacyclopenta[a]naphthalene-6-carboxylate

HRID 595120
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인쇄 미리보기

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HRID 595120 반응식
[NH2:1][C:2]1[CH:11]=[CH:10][C:9]2[N:8]3[CH:12]=[CH:13][N:14]=[C:7]3[CH2:6][O:5][C:4]=2[C:3]=1[C:15]([O:17][CH3:18])=[O:16].[Br:19][C:20]1[CH:25]=[C:24]([F:26])[CH:23]=[CH:22][C:21]=1[S:27](Cl)(=[O:29])=[O:28]>N1C=CC=CC=1.C(Cl)Cl>[Br:19][C:20]1[CH:25]=[C:24]([F:26])[CH:23]=[CH:22][C:21]=1[S:27]([NH:1][C:2]1[CH:11]=[CH:10][C:9]2[N:8]3[CH:12]=[CH:13][N:14]=[C:7]3[CH2:6][O:5][C:4]=2[C:3]=1[C:15]([O:17][CH3:18])=[O:16])(=[O:29])=[O:28]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 27782162-Bromo-4-fluorobenzene-1-sulfonyl chloride2회HCID 86712824methyl 7-amino-4H-5-oxa-3,9b-diazacyclopenta[a]naphthalene-6-carboxylate2회

생성물 1

HCID 70983693methyl 7-(2-bromo-4-fluorobenzenesulfonylamino)-4H-5-oxa-3,9b-diazacyclopenta[a]naphthalene-6-carboxylate수율 80.9%

시약·촉매·용매 2

HCID 1049Pyridine용매
HCID 6344
Dichloromethane
용매

실험 절차

A mixture of methyl 7-amino-4H-5-oxa-3,9b-diazacyclopenta[a]naphthalene-6-carboxylate (Intermediate 26, 0.379 g) and 2-bromo-4-fluorobenzenesulfonyl chloride (0.466 g) in pyridine (10 mL) and DCM (10 mL) was stirred at room temperature for 17 hours. A further amount of 2-bromo-4-fluorobenzenesulfonyl chloride (0.190 g) was added and the mixture was stirred at room temperature for 5 hours. The resultant mixture was concentrated in vacuo and the residue was dissolved in DCM and water and passed through a phase separator. The filtrate was concentrated in vacuo and the residue was purified by chromatography on silica, eluting with ethyl acetate to give a white solid which was triturated with ether to give methyl 7-(2-bromo-4-fluorobenzenesulfonylamino)-4H-5-oxa-3,9b-diazacyclopenta[a]naphthalene-6-carboxylate (0.603 g) as an off-white solid.

후처리

  1. stirringthe mixture was stirred at room temperature for 5 hours
  2. concentrationThe resultant mixture was concentrated in vacuo
  3. dissolutionthe residue was dissolved in DCM
  4. concentrationThe filtrate was concentrated in vacuo
  5. customthe residue was purified by chromatography on silica
  6. washeluting with ethyl acetate
  7. customto give a white solid which
  8. customwas triturated with ether

출처 및 근거

ORD 기록
ord-debba7d723ce4c44bf68db8943fbc1ea
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09242997B2

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