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Dichloromethane → [(R)-1-(4-{[5-tert-butoxycarbonylamino-2-(3-trifluoromethyl-phenyl)-thiazole-4-carbonyl]-amino}-2-methyl-2H-pyrazol-3-yl)-perhydro-azepin-4-yl]-carbamic acid benzyl ester

HRID 1185306
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1185306
[CH2:1]([O:8][C:9](=[O:41])[NH:10][C@@H:11]1[CH2:17][CH2:16][CH2:15][N:14]([C:18]2[N:19]([CH3:40])[N:20]=[CH:21][C:22]=2[NH:23][C:24]([C:26]2[N:27]=[C:28](Br)[S:29][C:30]=2[NH:31][C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33])=[O:25])[CH2:13][CH2:12]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CC1(C)C(C)(C)OB([C:50]2[CH:55]=[CH:54][CH:53]=[C:52]([C:56]([F:59])([F:58])[F:57])[CH:51]=2)O1.C(=O)([O-])[O-].[Na+].[Na+].C([O-])(=O)C.[K+].ClCCl>Cl[Pd]Cl.C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2].O.C(#N)C>[CH2:1]([O:8][C:9](=[O:41])[NH:10][C@@H:11]1[CH2:17][CH2:16][CH2:15][N:14]([C:18]2[N:19]([CH3:40])[N:20]=[CH:21][C:22]=2[NH:23][C:24]([C:26]2[N:27]=[C:28]([C:50]3[CH:55]=[CH:54][CH:53]=[C:52]([C:56]([F:59])([F:58])[F:57])[CH:51]=3)[S:29][C:30]=2[NH:31][C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33])=[O:25])[CH2:13][CH2:12]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
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Komponenten

9

Edukt 5

HCID 6344DichloromethaneHCID 10340Sodium CarbonateHCID 517044Potassium AcetateHCID 27606044,4,5,5-Tetramethyl-2-[3-(trifluoromethyl)phenyl]-1,3,2-dioxaborolaneHCID 58464869((R)-1-{4-[(2-Bromo-5-tert-butoxycarbonylamino-thiazole-4-carbonyl)-amino]-2-methyl-2H-pyrazol-3-yl}-perhydro-azepin-4-yl)-carbamic acid benzyl ester

Produkt 1

HCID 58464912[(R)-1-(4-{[5-tert-butoxycarbonylamino-2-(3-trifluoromethyl-phenyl)-thiazole-4-carbonyl]-amino}-2-methyl-2H-pyrazol-3-yl)-perhydro-azepin-4-yl]-carbamic acid benzyl esterAusbeute 66,9 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)KatalysatorHCID 962WaterLösungsmittelHCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

In a microwave vial was placed ((R)-1-{4-[(2-bromo-5-tert-butoxycarbonylamino-thiazole-4-carbonyl)-amino]-2-methyl-2H-pyrazol-3-yl}-perhydro-azepin-4-yl)-carbamic acid benzyl ester (100.0 mg, 0.154 mmol), 4,4,5,5-tetramethyl-2-(3-trifluoromethyl-phenyl)-1,3,2-dioxaborolane (209.7 mg, 0.77 mmol, 5.0 eq.), sodium carbonate (49.0 mg, 0.46 mmol, 3.0 eq.), potassium acetate (45.4 mg, 0.46 mmol, 3.0 eq.), [1,1′-bis(diphenylphosphino)ferrocene]-dichloropalladium(II), complexed with dichloromethane (1:1) (25.2 mg, 0.03, mmol, 0.20 eq), ACN (9.0 mL), and water (1.9 mL). The reaction mixture was degassed with N2 for 10 minutes and then subjected to microwave irradiation at 100° C. for 40 minutes. The reaction mixture was diluted with ethyl acetate (50 mL) and then filtered through a pad of Celite. The filtrate was washed with 50% brine/water, water and brine, dried over Na2SO4, filtered, and concentrated under reduced pressure. The crude was purified via flash column chromatography eluted with 50 to 100% ethyl acetate/heptane to give 73.5 mg (66.8%) of desired product as an oil. MS (ESI) m/z: 714.4 [M+H]+.

Aufarbeitung

  1. customThe reaction mixture was degassed with N2 for 10 minutes
  2. customirradiation at 100° C. for 40 minutes
  3. additionThe reaction mixture was diluted with ethyl acetate (50 mL)
  4. filtrationfiltered through a pad of Celite
  5. washThe filtrate was washed with 50% brine/water, water and brine
  6. dry with materialdried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated under reduced pressure
  9. customThe crude was purified via flash column chromatography
  10. washeluted with 50 to 100% ethyl acetate/heptane

Quellen und Nachweise

ORD-Eintrag
ord-a774d88bfab64b6a9d054ee572a11460
Quelldatensatz
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08669361B2

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