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Tetrahydrofuran → 6-chloro-N-cyclohexyl-2-[2-(4-fluorophenyl)ethoxy]nicotinamide

HRID 1187367
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HRID 1187367 반응식
Cl[C:2]1[C:7]([C:8]([NH:10][CH:11]2[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]2)=[O:9])=[CH:6][CH:5]=[C:4]([Cl:17])[N:3]=1.[F:18][C:19]1[CH:27]=[CH:26][C:22]([CH2:23][CH2:24][OH:25])=[CH:21][CH:20]=1.C1COCC1>O1CCOCC1>[Cl:17][C:4]1[CH:5]=[CH:6][C:7]([C:8]([NH:10][CH:11]2[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]2)=[O:9])=[C:2]([O:25][CH2:24][CH2:23][C:22]2[CH:26]=[CH:27][C:19]([F:18])=[CH:20][CH:21]=2)[N:3]=1
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참가 물질

5

반응물 3

HCID 8028TetrahydrofuranHCID 820684-Fluorophenethyl AlcoholHCID 527624932,6-dichloro-N-cyclohexylnicotinamide2회

생성물 1

HCID 598306816-chloro-N-cyclohexyl-2-[2-(4-fluorophenyl)ethoxy]nicotinamide수율 40.6%

시약·촉매·용매 1

HCID 312751,4-Dioxane용매

반응 조건

온도
150 °C

실험 절차

2,6-dichloro-N-cyclohexylnicotinamide (Intermediate 1, 273 mg, 1 mmol) was stirred in 1,4-dioxane (4 ml). To this solution was added 4-fluorophenethyl alcohol (154 mg, 1.1 mmol) followed by bis-sodium hexamethyldisilylamide 1.0M in THF (1.1 ml, 1.1 mmol). The tube was sealed and subjected to microwave heating 150° C. (Biotage Initiator 300 W) for 2 hours. The solvent was evaporated and the residue was diluted with water (15 ml) and extracted with dichloromethane (2×20 ml). The combined extract was washed with brine (20 ml) dried over MgSO4, filtered and evaporated. The crude product was purified on SiO2 (40 g) eluting with ethyl acetate/isohexane 0-40% and gave 6-chloro-N-cyclohexyl-2-[2-(4-fluorophenyl)ethoxy]nicotinamide (153 mg, 40%) as a white solid

후처리

  1. customThe tube was sealed
  2. customThe solvent was evaporated
  3. additionthe residue was diluted with water (15 ml)
  4. extractionextracted with dichloromethane (2×20 ml)
  5. extractionThe combined extract
  6. washwas washed with brine (20 ml)
  7. dry with materialdried over MgSO4
  8. filtrationfiltered
  9. customevaporated
  10. customThe crude product was purified on SiO2 (40 g)
  11. washeluting with ethyl acetate/isohexane 0-40%

출처 및 근거

ORD 기록
ord-4e93512bae9640d5acd6a18aef349882
출처 데이터셋
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08673938B2

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