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Sodium Carbonate → 2-((3S,4S)-3-Amino-4-hydroxypyrrolidin-1-yl)-N-(4-(chlorodifluoromethoxy)phenyl)-5'-fluoro-[3,3'-bipyridine]-5-carboxamide

HRID 924131
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HRID 924131 반응식
Cl[C:2]1[C:7]([C:8]2[CH:9]=[N:10][CH:11]=[C:12]([F:14])[CH:13]=2)=[CH:6][C:5]([C:15]([NH:17][C:18]2[CH:23]=[CH:22][C:21]([O:24][C:25]([Cl:28])([F:27])[F:26])=[CH:20][CH:19]=2)=[O:16])=[CH:4][N:3]=1.CCN(C(C)C)C(C)C.[NH2:38][C@H:39]1[CH2:43][NH:42][CH2:41][C@@H:40]1[OH:44].C([O-])([O-])=O.[Na+].[Na+]>CC(O)C>[NH2:38][C@@H:39]1[C@@H:40]([OH:44])[CH2:41][N:42]([C:2]2[C:7]([C:8]3[CH:9]=[N:10][CH:11]=[C:12]([F:14])[CH:13]=3)=[CH:6][C:5]([C:15]([NH:17][C:18]3[CH:19]=[CH:20][C:21]([O:24][C:25]([Cl:28])([F:26])[F:27])=[CH:22][CH:23]=3)=[O:16])=[CH:4][N:3]=2)[CH2:43]1
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HCID 10340Sodium CarbonateHCID 81531DiisopropylethylamineHCID 10559158(3S,4S)-4-Aminopyrrolidin-3-olHCID 722015872-Chloro-N-(4-(chlorodifluoromethoxy)phenyl)-5'-fluoro-[3,3'-bipyridine]-5-carboxamide

생성물 1

HCID 1181953932-((3S,4S)-3-Amino-4-hydroxypyrrolidin-1-yl)-N-(4-(chlorodifluoromethoxy)phenyl)-5'-fluoro-[3,3'-bipyridine]-5-carboxamide

시약·촉매·용매 1

HCID 3776Isopropanol용매

반응 조건

온도
80 °C

실험 절차

2-Chloro-N-(4-(chlorodifluoromethoxy)phenyl)-5′-fluoro-[3,3′-bipyridine]-5-carboxamide (Stage 266.1, 70 mg, 0.160 mmol) and DIPEA (0.196 mL, 1.121 mmol) were added to a vial containing iPrOH (2 mL). (3S,4S)-4-Aminopyrrolidin-3-ol (30 mg, 0.168 mmol) was added. The mixture was stirred at 80° C. for 44 h. The RM was treated with sat. aq. Na2CO3 (20 mL) and extracted with EtOAc. The combined extracts were washed with brine (10 mL), dried over Na2SO4, filtered and evaporated to dryness under reduced to give the crude product which was purified by flash chromatography (Silica gel column, 4 g, DCM/MeOH, from 95:5 to 8:2) to afford the title product as a beige solid. HPLC (Condition 10) tR=5.83 min, UPLC-MS (Condition 3) tR=0.81 min, m/z=494.2/496.2 [M+H]+; 1H-NMR (400 MHz, DMSO-d6) δ ppm 2.91 (dd, J=11.53, 2.93 Hz, 1H) 3.22-3.28 (m, 1H) 3.36-3.46 (m, 2H) 3.59-3.66 (m, 1H) 4.02-4.08 (m, 1H) 5.48 (d, J=3.91 Hz, 1H) 7.35 (d, J=8.60 Hz, 2H) 7.87 (m, J=9.00 Hz, 3H) 8.13 (d, J=2.35 Hz, 1H) 8.55 (s, 1H) 8.64 (d, J=2.74 Hz, 1H) 8.79-8.83 (m, 1H) 10.22 (s, 1H).

후처리

  1. extractionextracted with EtOAc
  2. washThe combined extracts were washed with brine (10 mL)
  3. dry with materialdried over Na2SO4
  4. filtrationfiltered
  5. customevaporated to dryness
  6. customto give the crude product which
  7. customwas purified by flash chromatography (Silica gel column, 4 g, DCM/MeOH, from 95:5 to 8:2)

출처 및 근거

ORD 기록
ord-64fcad3b72f143a0936ffff85d153a8b
출처 데이터셋
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09278981B2

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