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Tributylphosphine → methyl 2-((4S,5S)-1-(4-(((3R,4R)-1-(5-chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-yl)oxy)phenyl)-4-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-yl)acetate

HRID 2278686
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HRID 2278686 반응식
[Cl:1][C:2]1[C:3]([N:10]2[CH2:15][CH2:14][C@@H:13]([O:16][C:17]3[CH:22]=[CH:21][C:20]([N:23]4[C@@H:27]([CH2:28][C:29]([O-:31])=[O:30])[C@H:26]([CH3:32])[C:25]([C:33]([F:36])([F:35])[F:34])=[N:24]4)=[CH:19][CH:18]=3)[C@H:12]([CH3:37])[CH2:11]2)=[CH:4][C:5]([O:8][CH3:9])=[N:6][CH:7]=1.O[C:39]1C=CC(N2[C@@H](CC(OC)=O)[C@H](C)C(C(F)(F)F)=N2)=CC=1.ClC1C(N2CC[C@H](O)[C@H](C)C2)=CC(OC)=NC=1.C(P(CCCC)CCCC)CCC.N(/C(N1CCCCC1)=O)=N\C(N1CCCCC1)=O>C1(C)C=CC=CC=1>[Cl:1][C:2]1[C:3]([N:10]2[CH2:15][CH2:14][C@@H:13]([O:16][C:17]3[CH:18]=[CH:19][C:20]([N:23]4[C@@H:27]([CH2:28][C:29]([O:31][CH3:39])=[O:30])[C@H:26]([CH3:32])[C:25]([C:33]([F:36])([F:34])[F:35])=[N:24]4)=[CH:21][CH:22]=3)[C@H:12]([CH3:37])[CH2:11]2)=[CH:4][C:5]([O:8][CH3:9])=[N:6][CH:7]=1
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HCID 13831TributylphosphineHCID 5702657diazenedicarboxylic acid bis(N,N-piperidide)HCID 867194222-((4S,5S)-1-(4-(((3R,4R)-1-(5-Chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-yl)oxy)phenyl)-4-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-yl)acetateHCID 86719423methyl 2-((4S,5S)-1-(4-hydroxyphenyl)-4-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-yl)acetate
HCID 86719424
(3R,4S)-1-(5-chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-ol

생성물 1

HCID 86719421methyl 2-((4S,5S)-1-(4-(((3R,4R)-1-(5-chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-yl)oxy)phenyl)-4-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-yl)acetate수율 64%

시약·촉매·용매 1

HCID 1140Toluene용매

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온도
50 °C

실험 절차

2-((4S,5S)-1-(4-(((3R,4R)-1-(5-Chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-yl)oxy)phenyl)-4-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-yl)acetate: To a solution of methyl 2-((4S,5S)-1-(4-hydroxyphenyl)-4-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-yl)acetate (1J, 4.6 g, 15 mmol) and (3R,4S)-1-(5-chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-ol (3.4 g, 13 mmol) in toluene (166 mL) was added tributylphosphine (5.5 mL, 21 mmol). While stirring, (E)-diazene-1,2-diylbis(piperidin-1-ylmethanone) (5.4 g, 21 mmol) was added portionwise to the reaction mixture, and the resulting mixture was heated at 50° C. for 120 min. The mixture was cooled to rt and 150 mL of hexanes was added to the mixture and a white precipitate formed. The mixture was filtered, and the filtrate was concentrated and was purified via silica gel chromatography to give methyl 2-((4S,5S)-1-(4-(((3R,4R)-1-(5-chloro-2-methoxypyridin-4-yl)-3-methylpiperidin-4-yl)oxy)phenyl)-4-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-yl)acetate (4.7 g, 8.5 mmol, 64% yield). LC-MS Anal. Calc'd for C26H30ClF3N4O4 554.19. found [M+H] 555.2. 1H NMR (400 MHz, CDCl3) δ ppm 8.00 (s, 1H), 7.15-7.04 (m, 2H), 7.01-6.89 (m, 2H), 6.30 (s, 1H), 4.49-4.36 (m, 1H), 3.91 (s, 4H), 3.73 (s, 3H), 3.62-3.49 (m, 2H), 3.28-3.15 (m, 1H), 2.95-2.85 (m, 1H), 2.82 (dd, J=16.2, 3.2 Hz, 1H), 2.67 (dd, J=12.3, 9.0 Hz, 1H), 2.43 (dd, J=16.1, 10.3 Hz, 1H), 2.26-2.12 (m, 2H), 1.91-1.78 (m, 1H), 1.36 (d, J=7.0 Hz, 3H), 1.16 (d, J=6.6 Hz, 3H).

후처리

  1. temperatureThe mixture was cooled to rt
  2. customa white precipitate formed
  3. filtrationThe mixture was filtered
  4. concentrationthe filtrate was concentrated
  5. customwas purified via silica gel chromatography

출처 및 근거

ORD 기록
ord-371321e345c1431aa90d9d11e9af3457
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09133163B2

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