Thionyl Chloride → (R)-4,4,4-trifluoro-N-(1-(3-fluoro-5-(1,1,2,2-tetrafluoroethoxy)phenyl)-1-(4-fluorophenyl)-2-phenylethyl)-2,2-dimethylbutanamide

HRID 238774노트

반응식

HRID 238774 반응식
[F:1][C:2]([F:11])([F:10])[CH2:3][C:4]([CH3:9])([CH3:8])[C:5](O)=[O:6].O=S(Cl)Cl.[F:16][C:17]1[CH:18]=[C:19]([C@@:30]([C:39]2[CH:44]=[CH:43][C:42]([F:45])=[CH:41][CH:40]=2)([NH2:38])[CH2:31][C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)[CH:20]=[C:21]([O:23][C:24]([F:29])([F:28])[CH:25]([F:27])[F:26])[CH:22]=1>ClCCCl>[F:1][C:2]([F:11])([F:10])[CH2:3][C:4]([CH3:9])([CH3:8])[C:5]([NH:38][C@@:30]([C:19]1[CH:20]=[C:21]([O:23][C:24]([F:29])([F:28])[CH:25]([F:27])[F:26])[CH:22]=[C:17]([F:16])[CH:18]=1)([C:39]1[CH:40]=[CH:41][C:42]([F:45])=[CH:43][CH:44]=1)[CH2:31][C:32]1[CH:33]=[CH:34][CH:35]=[CH:36][CH:37]=1)=[O:6]

참가 물질

5

반응물 3

HCID 24386Thionyl ChlorideHCID 100579374,4,4-Trifluoro-2,2-dimethylbutanoic acidHCID 59458485(R)-1-(3-fluoro-5-(1,1,2,2-tetrafluoroethoxy)phenyl)-1-(4-fluorophenyl)-2-phenylethanamine

생성물 1

HCID 23582865(R)-4,4,4-trifluoro-N-(1-(3-fluoro-5-(1,1,2,2-tetrafluoroethoxy)phenyl)-1-(4-fluorophenyl)-2-phenylethyl)-2,2-dimethylbutanamide수율 24%

시약·촉매·용매 1

HCID 111,2-Dichloroethane용매

실험 절차

To a solution of 4,4,4-trifluoro-2,2-dimethylbutanoic acid (30 mg, 0.176 mmol) in DCE (1 mL) was added SOCl2 (21 mg, 0.176 mmol) and the resulting mixture was refluxed for 2 h. After cooling to room temperature, TEA was added (82 uL, 0.59 mmol), followed by the addition of (R)-1-(3-fluoro-5-(1,1,2,2-tetrafluoroethoxy)phenyl)-1-(4-fluorophenyl)-2-phenylethanamine, prepared as described in Procedure 3, 4, 5 and 6, (25 mg, 0.059 mmol). The reaction mixture was heated to reflux overnight, concentrated and the residue was purified by preparative HPLC (Axia column, 30×100 mm, 40 mL/min, 40-100% ACN/H2O/0.1% TFA over 12 min) to give (R)-4,4,4-trifluoro-N-(1-(3-fluoro-5-(1,1,2,2-tetrafluoroethoxy)phenyl)-1-(4-fluorophenyl)-2-phenylethyl)-2,2-dimethylbutanamide (Example 266) as a brownish oil (8 mg, 24% yield). LCMS: RT=2.13 min [M+H] 578.3 (Phenomenex Luna C18 column, 4.6×30 mm eluting with 10-90% MeOH/H2O over 2 minutes containing 0.1% TFA; 5 mL/min, monitoring at 220 nm); 1H NMR (400 MHz, CDCl3) ppm 1.28 (s, 6H), 2.21-2.51 (m, 2H), 3.77 (ABqt, J=13 Hz, 2H), 5.83 (t, J=53 Hz, 1H), 6.37 (s, 1H), 6.65-6.74 (m, 2H), 6.75-6.95 (m, 3H), 6.94-7.09 (m, 4H), 7.09-7.31 (m, 3H).

후처리

  1. temperaturethe resulting mixture was refluxed for 2 h
  2. additionTEA was added (82 uL, 0.59 mmol)
  3. customprepared
  4. temperatureThe reaction mixture was heated
  5. temperatureto reflux overnight
  6. concentrationconcentrated
  7. customthe residue was purified by preparative HPLC (Axia column, 30×100 mm, 40 mL/min, 40-100% ACN/H2O/0.1% TFA over 12 min)

출처 및 근거

ORD 기록
ord-60aba85699f94647ba22f24d1f552394
출처 데이터셋
uspto-grants-2014_02
특허 번호
US08642576B2

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