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Triethylamine → N-(2,2-Dimethyl-[1,3]dioxan-5-yloxy)-2-(4-ethyl-2-fluoro-phenylamino)-3,4-difluoro-benzamide

HRID 2181488
ノート
印刷プレビュー

反応式

HRID 2181488 の反応式
[CH2:1]([C:3]1[CH:8]=[CH:7][C:6]([NH:9][C:10]2[C:18]([F:19])=[C:17]([F:20])[CH:16]=[CH:15][C:11]=2[C:12]([OH:14])=O)=[C:5]([F:21])[CH:4]=1)[CH3:2].[CH3:22][C:23]1([CH3:31])[O:28][CH2:27][CH:26]([O:29][NH2:30])[CH2:25][O:24]1.C(N(CC)CC)C.F[P-](F)(F)(F)(F)F.N1(O[P+](N2CCCC2)(N2CCCC2)N2CCCC2)C2C=CC=CC=2N=N1>ClCCl>[CH3:22][C:23]1([CH3:31])[O:28][CH2:27][CH:26]([O:29][NH:30][C:12](=[O:14])[C:11]2[CH:15]=[CH:16][C:17]([F:20])=[C:18]([F:19])[C:10]=2[NH:9][C:6]2[CH:7]=[CH:8][C:3]([CH2:1][CH3:2])=[CH:4][C:5]=2[F:21])[CH2:25][O:24]1
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 4

HCID 8471TriethylamineHCID 2724699PyBOPHCID 220256532-[(4-Ethyl-2-fluorophenyl)amino]-3,4-difluorobenzoic acidHCID 22025693O-(2,2-dimethyl-1,3-dioxan-5-yl)Hydroxylamine2 回

生成物 1

HCID 22025657N-(2,2-Dimethyl-[1,3]dioxan-5-yloxy)-2-(4-ethyl-2-fluoro-phenylamino)-3,4-difluoro-benzamide

試薬・触媒・溶媒 1

HCID 6344
Dichloromethane
溶媒

実験手順

To a stirring solution of the product of Example 1, Step D, 2-[(4-ethyl-2-fluorophenyl)amino]-3,4-difluorobenzoic acid (0.480 g, 1.626 mmol) in dichloromethane (15 mL) is added the product of Example 33, Step B, O-(2,2-dimethyl-[1,3]dioxan-5-yl)-hydroxylamine (0.287 g, 1.951 mmol), triethylamine (0.41 mL, 2.927 mmol), and benzotriazole-1-yl-oxy-tris-pyrrolidino-phosphonium hexafluorophosphate (1.02 g, 1.951 mmol) and allowed to stir at ambient temperature for 75 minutes. The reaction mixture was concentrated in vacuo and the affording residue was partitioned between ethyl acetate and water. The organic layers were washed twice with saturated sodium carbonate solution and twice with brine. The organic layer was collected, dried over sodium sulfate, filtered and concentrated in vacuo. N-(2,2-Dimethyl-[1,3]dioxan-5-yloxy)-2-(4-ethyl-2-fluoro-phenylamino)-3,4-difluoro-benzamide was isolated via silica column chromatography in 4:1 hexanes/ethyl acetate affording a white foam (0.423 g, 61.4%).

後処理

  1. concentrationThe reaction mixture was concentrated in vacuo
  2. customthe affording residue was partitioned between ethyl acetate and water
  3. washThe organic layers were washed twice with saturated sodium carbonate solution and twice with brine
  4. customThe organic layer was collected
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo

出典と根拠

ORDレコード
ord-5ce35f39761645bf983e9905f8dbc1a1
出典データセット
uspto-grants-2005_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06891066B2

反応ノート

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