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Cesium fluoride → 3-cyano-N-(2,4-dimethoxybenzyl)-4-[2-pyridazin-4-yl-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide

HRID 46361
ノート
印刷プレビュー

反応式

HRID 46361 の反応式
[C:1]([C:3]1[CH:4]=[C:5]([S:21]([N:24]([CH2:30][C:31]2[CH:36]=[CH:35][C:34]([O:37][CH3:38])=[CH:33][C:32]=2[O:39][CH3:40])[C:25]2[S:29][N:28]=[CH:27][N:26]=2)(=[O:23])=[O:22])[CH:6]=[CH:7][C:8]=1[O:9][C:10]1[CH:15]=[CH:14][C:13]([C:16]([F:19])([F:18])[F:17])=[CH:12][C:11]=1I)#[N:2].[F-].[Cs+].C([Sn](CCCC)(CCCC)[C:48]1[CH:53]=[CH:52][N:51]=[N:50][CH:49]=1)CCC>CN(C)C=O.[Cu]I>[C:1]([C:3]1[CH:4]=[C:5]([S:21]([N:24]([CH2:30][C:31]2[CH:36]=[CH:35][C:34]([O:37][CH3:38])=[CH:33][C:32]=2[O:39][CH3:40])[C:25]2[S:29][N:28]=[CH:27][N:26]=2)(=[O:23])=[O:22])[CH:6]=[CH:7][C:8]=1[O:9][C:10]1[CH:15]=[CH:14][C:13]([C:16]([F:19])([F:18])[F:17])=[CH:12][C:11]=1[C:48]1[CH:53]=[CH:52][N:51]=[N:50][CH:49]=1)#[N:2]
参加物反応条件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 25953Cesium fluorideHCID 64097334-(Tributylstannyl)pyridazineHCID 594364853-cyano-N-(2,4-dimethoxybenzyl)-4-[2-iodo-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide

生成物 1

HCID 594366013-cyano-N-(2,4-dimethoxybenzyl)-4-[2-pyridazin-4-yl-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide

試薬・触媒・溶媒 2

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
触媒
HCID 6228Dimethylformamide溶媒2 回

反応条件

温度
30 °C

実験手順

A mixture of 3-Cyano-N-(2,4-dimethoxybenzyl)-4-[2-iodo-4-(trifluoromethyl)phenoxy]-N-1,2,4-thiadiazol-5-ylbenzenesulfonamide (Preparation 429, 33.07 g, 47.08 mmol) in dimethylformamide (140 mL) was treated with copper (I) iodide (1830 mg, 9.60 mmol) and cesium fluoride (14.4 g, 94.2 mmol). The mixture was sparged with nitrogen for 15 minutes. Then 4-(tributylstannyl)pyridazine (19.1 g, 51.8 mmol) dissolved in dimethylformamide (10 mL) was added and the reaction heated to 30° C. The reaction was cooled, poured onto water (1 L) and extracted with diethylether (4×450 mL). The combined extracts were washed with water (6×500 mL), dried over magnesium sulfate and evaporated to furnish an orange foam. This residue was purified using column chromatography (using a gradient of 100% heptane with 2% triethylamine to 40:60 ethylacetate:heptane with 2% triethylamine) to furnish the title compound as an off-white solid.

後処理

  1. customThe mixture was sparged with nitrogen for 15 minutes
  2. additionwas added
  3. temperatureThe reaction was cooled
  4. additionpoured onto water (1 L)
  5. extractionextracted with diethylether (4×450 mL)
  6. washThe combined extracts were washed with water (6×500 mL)
  7. dry with materialdried over magnesium sulfate
  8. customevaporated
  9. customto furnish an orange foam
  10. customThis residue was purified

出典と根拠

ORDレコード
ord-4cc6b565b70a4332b1b9cae758b25438
出典データセット
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08541588B2

反応ノート

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