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2,4,6-Trimethylpyridine → 1-Cyclohexyl-2-(4,6-dimethylpyridin-2-ylmethyl)-4-(5-fluoro-2-methoxyphenyl)-4-methylpentan-2-ol

HRID 1510896
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HRID 1510896 반응식
[N:1]1[C:6]([CH3:7])=[CH:5][C:4]([CH3:8])=[CH:3][C:2]=1[CH3:9].C([Li])(C)(C)C.[CH:15]1([CH2:21][C:22](=[O:36])[CH2:23][C:24]([C:27]2[CH:32]=[C:31]([F:33])[CH:30]=[CH:29][C:28]=2[O:34][CH3:35])([CH3:26])[CH3:25])[CH2:20][CH2:19][CH2:18][CH2:17][CH2:16]1>C1COCC1>[CH:15]1([CH2:21][C:22]([CH2:9][C:2]2[CH:3]=[C:4]([CH3:8])[CH:5]=[C:6]([CH3:7])[N:1]=2)([OH:36])[CH2:23][C:24]([C:27]2[CH:32]=[C:31]([F:33])[CH:30]=[CH:29][C:28]=2[O:34][CH3:35])([CH3:26])[CH3:25])[CH2:16][CH2:17][CH2:18][CH2:19][CH2:20]1
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참가 물질

5

반응물 3

HCID 79532,4,6-TrimethylpyridineHCID 223986261-Cyclohexyl-4-(5-fluoro-2-methoxyphenyl)-4-methylpentan-2-oneHCID 178418306HCID 178418306, 화합물

생성물 1

HCID 223986011-Cyclohexyl-2-(4,6-dimethylpyridin-2-ylmethyl)-4-(5-fluoro-2-methoxyphenyl)-4-methylpentan-2-ol수율 55.1%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매
2회

실험 절차

To a solution of collidine (0.113 g) in THF (1 mL) cooled to −70° C. was added dropwise over 3 minutes tert-butyl lithium (1.7 M in pentane, 0.55 mL). The mixture was stirred for 5 minutes and then 1-cyclohexyl-4-(5-fluoro-2-methoxyphenyl)-4-methylpentan-2-one (Example 15) (0.095 g) in THF (0.5 mL) was added dropwise. After 10 minutes at −70° C., the reaction was quenched by addition of EtOH (0.2 mL) and warmed to room temperature. The mixture was diluted with EtOAc, washed with water, dried over sodium sulfate, filtered, and evaporated. The residue was fractionated by preparative layer chromatography (developer: methylene chloride-EtOAc (99:1)) followed by preparative layer chromatography (developer:hexanes-methylene chloride-EtOH (1:1:0.01)) to give the title compound as an oil (73 mg).

후처리

  1. waitAfter 10 minutes at −70° C.
  2. customthe reaction was quenched by addition of EtOH (0.2 mL)
  3. additionThe mixture was diluted with EtOAc
  4. washwashed with water
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. customevaporated

출처 및 근거

ORD 기록
ord-5491e537bac04f97a7317ef23aa55614
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08212040B2

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