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N-bromobutanimide → N-{2-Chloro-3-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]phenyl}-2,5-difluorobenzenesulfonamide

HRID 590084
ノート
印刷プレビュー

反応式

HRID 590084 の反応式
[Cl:1][C:2]1[C:7](/[C:8](/O)=[CH:9]\[C:10]2[CH:15]=[CH:14][N:13]=[C:12]([Cl:16])[N:11]=2)=[CH:6][CH:5]=[CH:4][C:3]=1[NH:18][S:19]([C:22]1[CH:27]=[C:26]([F:28])[CH:25]=[CH:24][C:23]=1[F:29])(=[O:21])=[O:20].C1C(=O)N(Br)C(=O)C1.[CH3:38][C:39]([CH3:44])([CH3:43])[C:40](=[S:42])[NH2:41]>CC(N(C)C)=O.CCOC(C)=O>[Cl:1][C:2]1[C:7]([C:8]2[N:41]=[C:40]([C:39]([CH3:44])([CH3:43])[CH3:38])[S:42][C:9]=2[C:10]2[CH:15]=[CH:14][N:13]=[C:12]([Cl:16])[N:11]=2)=[CH:6][CH:5]=[CH:4][C:3]=1[NH:18][S:19]([C:22]1[CH:27]=[C:26]([F:28])[CH:25]=[CH:24][C:23]=1[F:29])(=[O:21])=[O:20]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 67184N-bromobutanimideHCID 30311302,2-DimethylpropanethioamideHCID 136342907N-{2-Chloro-3-[(E)-2-(2-chloro-4-pyrimidinyl)-1-hydroxyethenyl]phenyl}-2,5-difluorobenzenesulfonamide

生成物 1

HCID 57989680N-{2-Chloro-3-[5-(2-chloro-4-pyrimidinyl)-2-(1,1-dimethylethyl)-1,3-thiazol-4-yl]phenyl}-2,5-difluorobenzenesulfonamide収率 36%

試薬・触媒・溶媒 2

HCID 8857
Ethyl Acetate
溶媒
HCID 31374Dimethylacetamide溶媒

実験手順

To a solution of N-{2-chloro-3-[(E)-2-(2-chloro-4-pyrimidinyl)-1-hydroxyethenyl]phenyl}-2,5-difluorobenzenesulfonamide (3.0 g, 6.55 mmol) in DMA (25 mL) was added NBS (1.165 g, 6.55 mmol). After stirring for 1 h at rt, 2,2-dimethylpropanethioamide (0.767 g, 6.55 mmol) was added and the reaction mixture was stirred at 80° C. for 2 h. The reaction mixture was diluted with EtOAc (100 mL) and extracted five times with water. The organic layer was dried over anhydrous NaSO4, adsorbed onto silica gel, and purified via column chromatography, eluting with 0-50% EtOAc/DCM. The desired fractions were combined and concentrated to generate 1.31 g (2.36 mmol, 36.0% yield) of the title compound as a yellow powder. 1H NMR (400 MHz, DMSO-d6): δ 10.74 (s, 1H), 8.56 (d, J=5.4 Hz, 1H), 7.41-7.58 (m, 6H), 6.57 (d, J=5.4 Hz, 1H), 1.42 (s, 9H). MS (ESI): 555.0 [M+H]+.

後処理

  1. stirringthe reaction mixture was stirred at 80° C. for 2 h
  2. extractionextracted five times with water
  3. dry with materialThe organic layer was dried over anhydrous NaSO4
  4. custompurified via column chromatography
  5. washeluting with 0-50% EtOAc/DCM
  6. concentrationconcentrated

出典と根拠

ORDレコード
ord-96cf1dd261c5486ba435f44004d2564e
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09233956B2

反応ノート

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