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1,4-Dioxane → benzyl [2-{[(4-{(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-methylpiperidin-1-yl}pyridin-3-yl)amino]carbonyl}-7-(3,6-dihydro-2H-pyran-4-yl)quinolin-3-yl]carbamate

HRID 924469
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 924469
Br[C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[C:7]([NH:36][C:37](=[O:46])[O:38][CH2:39][C:40]3[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=3)[C:8]([C:12]([NH:14][C:15]3[CH:16]=[N:17][CH:18]=[CH:19][C:20]=3[N:21]3[CH2:26][C@H:25]([CH3:27])[CH2:24][C@H:23]([NH:28][C:29]([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30])[CH2:22]3)=[O:13])=[N:9]2)=[CH:4][CH:3]=1.[O-]P([O-])([O-])=O.[K+].[K+].[K+].O1CCOCC1.CC1(C)C(C)(C)OB([C:69]2[CH2:70][CH2:71][O:72][CH2:73][CH:74]=2)O1>C1(P(C2CCCCC2)C2C=CC=CC=2C2C(C(C)C)=CC(C(C)C)=CC=2C(C)C)CCCCC1.NC1C=CC=CC=1C1C=CC=CC=1[Pd]Cl.O>[C:32]([O:31][C:29]([NH:28][C@H:23]1[CH2:24][C@@H:25]([CH3:27])[CH2:26][N:21]([C:20]2[CH:19]=[CH:18][N:17]=[CH:16][C:15]=2[NH:14][C:12]([C:8]2[C:7]([NH:36][C:37](=[O:46])[O:38][CH2:39][C:40]3[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=3)=[CH:6][C:5]3[C:10](=[CH:11][C:2]([C:69]4[CH2:74][CH2:73][O:72][CH2:71][CH:70]=4)=[CH:3][CH:4]=3)[N:9]=2)=[O:13])[CH2:22]1)=[O:30])([CH3:35])([CH3:34])[CH3:33]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 312751,4-DioxaneHCID 62657Potassium Phosphate, TribasicHCID 112180533,6-Dihydro-2H-pyran-4-boronic acid pinacol esterHCID 86726913Benzyl (7-bromo-2-{[(4-{(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-methylpiperidin-1-yl}pyridin-3-yl)amino]carbonyl}quinolin-3-yl)carbamate

Produkt 1

HCID 86726914
benzyl [2-{[(4-{(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-methylpiperidin-1-yl}pyridin-3-yl)amino]carbonyl}-7-(3,6-dihydro-2H-pyran-4-yl)quinolin-3-yl]carbamate
Ausbeute 57,1 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178439015HCID 178439015, VerbindungKatalysatorHCID 962WaterLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

A pressure vial was charged with benzyl (7-bromo-2-{[(4-{(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-methylpiperidin-1-yl}pyridin-3-yl)amino]carbonyl}quinolin-3-yl)carbamate (0.029 g, 0.043 mmol), K3PO4 (0.0181 g, 0.0852 mmol), 1,4-dioxane (0.55 mL), water (0.092 mL) and 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-2H-pyran (0.013 g, 0.063 mmol). The mixture was deoxygenated with nitrogen for 10 min. Dicyclohexyl(2′,4′,6′-triisopropylbiphenyl-2-yl)phosphine-(2′-aminobiphenyl-2-yl)(chloro)palladium (1:1) (0.0022 g, 0.0028 mmol) was added. The mixture was sealed with screw cap, then heated at 80° C. for 1 h. The reaction mixture was quenched with water and extracted with EtOAc. The combined organic extracts were dried and concentrated. The residue was purified by flash chromatography on 20 g silica gel, eluting with 0-100% EtOAc in hexanes, to yield benzyl [2-{[(4-{(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-methylpiperidin-1-yl}pyridin-3-yl)amino]carbonyl}-7-(3,6-dihydro-2H-pyran-4-yl)quinolin-3-yl]carbamate (0.017 g, 57%), LCMS calc. for C39H45N6O6 [M+H]+: m/z=639.3. found: 693.3; and the corresponding benzyl carbamate deprotected product tert-butyl {(3S,5R)-1-[3-({[3-amino-7-(3,6-dihydro-2H-pyran-4-yl)quinolin-2-yl]carbonyl}amino)pyridin-4-yl]-5-methylpiperidin-3-yl}carbamate (0.010, 42%). LCMS calc. for C31H39N6O4 [M+H]+: m/z=559.3. found: 559.3.

Aufarbeitung

  1. customThe mixture was deoxygenated with nitrogen for 10 min
  2. customThe mixture was sealed with screw
  3. customcap
  4. customThe reaction mixture was quenched with water
  5. extractionextracted with EtOAc
  6. customThe combined organic extracts were dried
  7. concentrationconcentrated
  8. customThe residue was purified by flash chromatography on 20 g silica gel
  9. washeluting with 0-100% EtOAc in hexanes

Quellen und Nachweise

ORD-Eintrag
ord-bbf7a12e38ba4e1aadfb186ec84d5fe7
Quelldatensatz
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09278950B2

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