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Lithium Chloride → 5-{4-Chloro-5-[4-(1,3-thiazol-4-yl)phenyl]-3-(trifluoromethyl)-1H-pyrazol-1-yl}-2-pyridinesulfonamide

HRID 965952
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HRID 965952 반응식
Br[C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:12]([C:13]3[CH:14]=[CH:15][C:16]([S:19]([NH2:22])(=[O:21])=[O:20])=[N:17][CH:18]=3)[N:11]=[C:10]([C:23]([F:26])([F:25])[F:24])[C:9]=2[Cl:27])=[CH:4][CH:3]=1.C([Sn](CCCC)(CCCC)[C:33]1[N:34]=[CH:35][S:36][CH:37]=1)CCC.[Cl-].[Li+]>O1CCOCC1.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>[Cl:27][C:9]1[C:10]([C:23]([F:26])([F:25])[F:24])=[N:11][N:12]([C:13]2[CH:14]=[CH:15][C:16]([S:19]([NH2:22])(=[O:21])=[O:20])=[N:17][CH:18]=2)[C:8]=1[C:5]1[CH:6]=[CH:7][C:2]([C:33]2[N:34]=[CH:35][S:36][CH:37]=2)=[CH:3][CH:4]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 433294Lithium ChlorideHCID 27632584-(Tri-n-butylstannyl)thiazoleHCID 223138055-[5-(4-bromophenyl)-4-chloro-3-(trifluoromethyl)-1H-pyrazol-1-yl]-2-pyridinesulfonamide

생성물 1

HCID 120965915-{4-Chloro-5-[4-(1,3-thiazol-4-yl)phenyl]-3-(trifluoromethyl)-1H-pyrazol-1-yl}-2-pyridinesulfonamide수율 84.2%

시약·촉매·용매 2

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

실험 절차

A mixture of 5-[5-(4-bromophenyl)-4-chloro-3-(trifluoromethyl)-1H-pyrazol-1-yl]-2-pyridinesulfonamide (236 mg, 0.489 mmol), 4-(tributylstannyl)-1,3-thiazole (238 mg, 0.636 mmol), lithium chloride (27 mg, 0.636 mmol) and tetrakis(triphenylphosphine)palladium (57 mg, 0.0489 mmol) in 1,4-dioxane (10 ml) was refluxed for 5 hr under nitrogen atmosphere. After evaporation, the residue obtained was chromatographed on a column of silica gel (50 g) eluting with ethyl acetate/hexane (3:4) to afford 200 mg (84%) of the title compound as a pale brown gum.

후처리

  1. temperaturewas refluxed for 5 hr under nitrogen atmosphere
  2. customAfter evaporation
  3. customthe residue obtained
  4. customwas chromatographed on a column of silica gel (50 g)
  5. washeluting with ethyl acetate/hexane (3:4)

출처 및 근거

ORD 기록
ord-6b59874d01294c409031e2643c713df9
출처 데이터셋
uspto-grants-2005_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06951876B2

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