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Diisopropylethylamine → 6-(4-Bromo-2-methyl-phenylamino)-7-fluoro-3-pent-4-enyl-3H-benzoimidazole-5-carboxylic acid cyclopropylmethoxy-amide

HRID 216447
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HRID 216447 반응식
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][C:9]2[C:10]([C:24]([OH:26])=O)=[CH:11][C:12]3[N:16]([CH2:17][CH2:18][CH2:19][CH:20]=[CH2:21])[CH:15]=[N:14][C:13]=3[C:22]=2[F:23])=[C:4]([CH3:27])[CH:3]=1.CCN(C(C)C)C(C)C.C1CN([P+](ON2N=NC3C=[CH:58][CH:59]=[CH:60][C:55]2=3)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.Cl.C1([N:74](C)[OH:75])CC1>C1COCC1.C(Cl)Cl.C(OCC)(=O)C>[CH:59]1([CH2:58][O:75][NH:74][C:24]([C:10]2[C:9]([NH:8][C:5]3[CH:6]=[CH:7][C:2]([Br:1])=[CH:3][C:4]=3[CH3:27])=[C:22]([F:23])[C:13]3[N:14]=[CH:15][N:16]([CH2:17][CH2:18][CH2:19][CH:20]=[CH2:21])[C:12]=3[CH:11]=2)=[O:26])[CH2:60][CH2:55]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 81531DiisopropylethylamineHCID 2724699PyBOPHCID 211142136-(4-Bromo-2-methyl-phenylamino)-7-fluoro-3-pent-4-enyl-3H-benzoimidazole-5-carboxylic acidHCID 21114231Cyclopropyl methyl hydroxylamine hydrochloride

생성물 1

HCID 588906146-(4-Bromo-2-methyl-phenylamino)-7-fluoro-3-pent-4-enyl-3H-benzoimidazole-5-carboxylic acid cyclopropylmethoxy-amide
수율 70%

시약·촉매·용매 2

HCID 8857Ethyl Acetate용매HCID 21919333Tetrahydrofurane dichloromethane용매

실험 절차

6-(4-Bromo-2-methyl-phenylamino)-7-fluoro-3-pent-4-enyl-3H-benzoimidazole-5-carboxylic acid 10d (0.390 g, 0.902 mmol) is dissolved in 1:1 THF/methylene chloride (6 mL) and Hunig's base (0.346 mL, 1.985 mmol) is added followed by PyBOP (0.563 g, 1.083 mmol). After 10 minutes, cyclopropyl methyl hydroxylamine hydrochloride (0.134 g, 1.083 mmol) is added. After 16 hours, the reaction mixture is diluted with ethyl acetate and washed with 0.1 N HCl, saturated NaHCO3, and brine. The organic layer is dried (Na2SO4) and concentrated under reduced pressure. The crude yellow residue is purified by FCC eluted with ethyl acetate to give 0.315 g (70%) pure desired product as a yellow solid: MS APCI (+) m/z 503, 501 (M+1 Br pattern) detected.

후처리

  1. additionis added
  2. waitAfter 16 hours
  3. washwashed with 0.1 N HCl, saturated NaHCO3, and brine
  4. dry with materialThe organic layer is dried (Na2SO4)
  5. concentrationconcentrated under reduced pressure
  6. customThe crude yellow residue is purified by FCC
  7. washeluted with ethyl acetate

출처 및 근거

ORD 기록
ord-8d53df655d4c4b28869f68b35f770c39
출처 데이터셋
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08193229B2

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