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Citric Acid → 2,3-Dichloro-N-{3-[4-(tetrahydro-2-pyranyloxymethyl)phenylmethoxy]-2-pyrazinyl}benzenesulphonamide

HRID 1444018
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인쇄 미리보기

반응식

HRID 1444018 반응식
[Cl:1][C:2]1[C:7]([Cl:8])=[CH:6][CH:5]=[CH:4][C:3]=1[S:9]([NH:12][C:13]1[C:18](Cl)=[N:17][CH:16]=[CH:15][N:14]=1)(=[O:11])=[O:10].[O:20]1[CH2:25][CH2:24][CH2:23][CH2:22][CH:21]1[O:26][CH2:27][C:28]1[CH:33]=[CH:32][C:31]([CH2:34][OH:35])=[CH:30][CH:29]=1.CC(C)([O-])C.[K+].C(O)(=O)CC(CC(O)=O)(C(O)=O)O>O1CCCC1.CN1CCCC1=O>[Cl:1][C:2]1[C:7]([Cl:8])=[CH:6][CH:5]=[CH:4][C:3]=1[S:9]([NH:12][C:13]1[C:18]([O:35][CH2:34][C:31]2[CH:30]=[CH:29][C:28]([CH2:27][O:26][CH:21]3[CH2:22][CH2:23][CH2:24][CH2:25][O:20]3)=[CH:33][CH:32]=2)=[N:17][CH:16]=[CH:15][N:14]=1)(=[O:11])=[O:10]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 311Citric AcidHCID 23665647Potassium tert-butoxideHCID 591681672,3-Dichloro-N-(3-chloro-2-pyrazinyl)benzenesulphonamideHCID 67139706(4-{[(Oxan-2-yl)oxy]methyl}phenyl)methanol

생성물 1

HCID 591681242,3-Dichloro-N-{3-[4-(tetrahydro-2-pyranyloxymethyl)phenylmethoxy]-2-pyrazinyl}benzenesulphonamide

시약·촉매·용매 2

HCID 8028
Tetrahydrofuran
용매
HCID 13387N-methyl-2-pyrrolidone용매

실험 절차

2,3-Dichloro-N-(3-chloro-2-pyrazinyl)benzenesulphonamide (Example 28a) (0.1 g), [4-(tetrahydro-2-pyranyloxymethyl)phenyl]methanol (0.27 g) and potassium tert-butoxide (2 mL of a 1M solution in tetrahydrofuran) in N-methylpyrrolidinone (1 mL) was stirred at 50° C. After 2 h, aqueous citric acid was added and the mixture extracted with ethyl acetate. The organic solution was washed with water and brine and evaporated to dryness. Used directly.

후처리

  1. extractionthe mixture extracted with ethyl acetate
  2. washThe organic solution was washed with water and brine
  3. customevaporated to dryness

출처 및 근거

ORD 기록
ord-c6d4f890fe6c411092b90cb35895dbed
출처 데이터셋
uspto-grants-2010_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07662825B2

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