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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Tri-tert-butylphosphine tetrafluoroborate → methyl 8-[2-((Z)-3-diethylaminoprop-1-enyl)-4-fluorobenzenesulfonylamino]-5,6-dihydropyrazolo[5,1-a]isoquinoline-7-carboxylate

HRID 595115
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인쇄 미리보기

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HRID 595115 반응식
Br[C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[S:9]([NH:12][C:13]1[CH:22]=[CH:21][C:20]2[C:19]3=[CH:23][CH:24]=[N:25][N:18]3[CH2:17][CH2:16][C:15]=2[C:14]=1[C:26]([O:28][CH3:29])=[O:27])(=[O:11])=[O:10].[CH2:30]([N:32]([CH2:49][CH3:50])[CH2:33]/[CH:34]=[CH:35]\[Sn](CCCC)(CCCC)CCCC)[CH3:31].F[B-](F)(F)F.C([PH+](C(C)(C)C)C(C)(C)C)(C)(C)C>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[CH2:30]([N:32]([CH2:49][CH3:50])[CH2:33]/[CH:34]=[CH:35]\[C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[S:9]([NH:12][C:13]1[CH:22]=[CH:21][C:20]2[C:19]3=[CH:23][CH:24]=[N:25][N:18]3[CH2:17][CH2:16][C:15]=2[C:14]=1[C:26]([O:28][CH3:29])=[O:27])(=[O:11])=[O:10])[CH3:31]
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참가 물질

6

반응물 3

HCID 2734635Tri-tert-butylphosphine tetrafluoroborateHCID 70984117Methyl 8-(2-bromo-4-fluorobenzenesulfonylamino)-5,6-dihydropyrazolo[5,1-a]isoquinoline-7-carboxylate2회HCID 86684726N,N-diethyl-N-((Z)-1-tributylstannanylprop-1-en-3-yl)amine2회

생성물 1

HCID 86712814methyl 8-[2-((Z)-3-diethylaminoprop-1-enyl)-4-fluorobenzenesulfonylamino]-5,6-dihydropyrazolo[5,1-a]isoquinoline-7-carboxylate수율 60.7%

시약·촉매·용매 2

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 312751,4-Dioxane용매

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온도
80 °C

실험 절차

A mixture of methyl 8-(2-bromo-4-fluorobenzenesulfonylamino)-5,6-dihydropyrazolo[5,1-a]isoquinoline-7-carboxylate (Intermediate 21, 0.088 g), N,N-diethyl-N—((Z)-1-tributylstannanylprop-1-en-3-yl)-amine (Intermediate 3, 0.222 g), tris-(dibenzylideneacetone)dipalladium (0) (0.020 g) and tri-tert-butylphosphonium tetrafluoroborate (0.01 g) in dioxane (3 mL) was de-gassed and purged with nitrogen and then heated to 80° C. in a sealed vessel for 2 hours. The resultant mixture was cooled, filtered through Celite and washed with ethyl acetate. The filtrate was concentrated in vacuo and the residue was purified by chromatography on silica, eluting with a mixture of methanol and DCM with a gradient of 0-10% to give methyl 8-[2-((Z)-3-diethylaminoprop-1-enyl)-4-fluorobenzenesulfonylamino]-5,6-dihydropyrazolo[5,1-a]isoquinoline-7-carboxylate (0.057 g) as a glass.

후처리

  1. customwas de-gassed
  2. custompurged with nitrogen
  3. temperatureThe resultant mixture was cooled
  4. filtrationfiltered through Celite
  5. washwashed with ethyl acetate
  6. concentrationThe filtrate was concentrated in vacuo
  7. customthe residue was purified by chromatography on silica
  8. washeluting with a mixture of methanol and DCM with a gradient of 0-10%

출처 및 근거

ORD 기록
ord-712940338e55471f82a9ba668eefa4d1
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09242997B2

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