Glutaric anhydride → 5-{4-[5-amino-1-(2,6-difluoro-benzoyl)-1H-[1,2,4]triazol-3-ylamino]-benzenesulfonylamino}-5-oxo-pentanoic acid

HRID 1364502노트

반응식

HRID 1364502 반응식
[NH2:1][C:2]1[N:6]([C:7](=[O:16])[C:8]2[C:13]([F:14])=[CH:12][CH:11]=[CH:10][C:9]=2[F:15])[N:5]=[C:4]([NH:17][C:18]2[CH:23]=[CH:22][C:21]([S:24]([NH2:27])(=[O:26])=[O:25])=[CH:20][CH:19]=2)[N:3]=1.CC(C)([O-])C.[K+].[C:34]1(=[O:41])[O:40][C:38](=[O:39])[CH2:37][CH2:36][CH2:35]1>C(O)(=O)C.C1COCC1>[NH2:1][C:2]1[N:6]([C:7](=[O:16])[C:8]2[C:13]([F:14])=[CH:12][CH:11]=[CH:10][C:9]=2[F:15])[N:5]=[C:4]([NH:17][C:18]2[CH:23]=[CH:22][C:21]([S:24]([NH:27][C:34](=[O:41])[CH2:35][CH2:36][CH2:37][C:38]([OH:40])=[O:39])(=[O:25])=[O:26])=[CH:20][CH:19]=2)[N:3]=1

참가 물질

6

반응물 3

HCID 7940Glutaric anhydrideHCID 5330790Jnj-7706621HCID 23665647Potassium tert-butoxide

생성물 1

HCID 116563845-{4-[5-amino-1-(2,6-difluoro-benzoyl)-1H-[1,2,4]triazol-3-ylamino]-benzenesulfonylamino}-5-oxo-pentanoic acid

시약·촉매·용매 2

HCID 176Acetic Acid촉매HCID 8028Tetrahydrofuran용매

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온도
0 °C

실험 절차

To a nitrogen purged flask was added 4-[5-amino-1-(2,6-difluorobenzoyl)-1H-[1,2,4]triazol-3-ylamino]-benzenesulfonamide Compound 1a (2.0 g, 5.1 mmol) and THF (200 mL). The mixture was cooled to 0° C. and potassium tert-butoxide (6.1 mL, 1.0 M solu in THF) was added dropwise. After addition the mixture was stirred at 0° C. for 1 hr, then glutaric anhydride (0.69 g in 10 mL THF, 6.0 mmol) was added dropwise. The stirring was continued for 30 min, then the mixture was warmed to rt and stirred overnight. A few drops of acetic acid was added, then the mixture was concentrated. The residue was purified by flash chromatography (silica gel, CH2Cl2:MeOH/8:2) to afford the desired product Compound 11 (670 mg, 26%) as a white solid. 1H NMR (300 MHz, CD3OD) δ 7.75 (d, J=7.0 Hz, 2H), 7.68 (m, 1H), 7.50 (d, J=6.9 Hz, 2H), 7.15 (t, J=6.9 Hz, 2H), 2.36 (t, J=6.8 Hz, 2H), 1.80 (t, J=6.8 Hz, 2H); MS (ESI) m/z: 493 (M+H)+.

후처리

  1. additionAfter addition the mixture
  2. waitThe stirring was continued for 30 min
  3. temperaturethe mixture was warmed to rt
  4. stirringstirred overnight
  5. concentrationthe mixture was concentrated
  6. customThe residue was purified by flash chromatography (silica gel, CH2Cl2:MeOH/8:2)

출처 및 근거

ORD 기록
ord-c25c93159aae487c8b837cb17a2f5e19
출처 데이터셋
uspto-grants-2011_02
특허 번호
US07888380B2

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