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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
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HRID 2181488 반응식
[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
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참가 물질

6

반응물 4

HCID 8471TriethylamineHCID 2724699PyBOPHCID 220256532-[(4-Ethyl-2-fluorophenyl)amino]-3,4-difluorobenzoic acidHCID 22025693O-(2,2-dimethyl-1,3-dioxan-5-yl)Hydroxylamine2회

생성물 1

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

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

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%).

후처리

  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

출처 및 근거

ORD 기록
ord-5ce35f39761645bf983e9905f8dbc1a1
출처 데이터셋
uspto-grants-2005_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06891066B2

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