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Sodium Bicarbonate → 1-(2-{4-[(2,3-Dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]piperidin-1-yl}ethyl)-7-methoxyquinolin-2(1H)-one

HRID 39813
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 39813
[NH2:1][CH:2]1[CH2:7][CH2:6][N:5]([CH2:8][CH2:9][N:10]2[C:19]3[C:14](=[CH:15][CH:16]=[C:17]([O:20][CH3:21])[CH:18]=3)[CH:13]=[CH:12][C:11]2=[O:22])[CH2:4][CH2:3]1.[O:23]1[C:32]2[CH:31]=[C:30]([CH:33]=O)[N:29]=[CH:28][C:27]=2[O:26][CH2:25][CH2:24]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>Cl.C(O)C.CO.C(Cl)(Cl)Cl.C(O)(=O)C.ClCCl>[O:23]1[C:32]2[CH:31]=[C:30]([CH2:33][NH:1][CH:2]3[CH2:7][CH2:6][N:5]([CH2:8][CH2:9][N:10]4[C:19]5[C:14](=[CH:15][CH:16]=[C:17]([O:20][CH3:21])[CH:18]=5)[CH:13]=[CH:12][C:11]4=[O:22])[CH2:4][CH2:3]3)[N:29]=[CH:28][C:27]=2[O:26][CH2:25][CH2:24]1
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Komponenten

10

Edukt 4

HCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 218736682,3-Dihydro[1,4]dioxino[2,3-c]pyridine-7-carbaldehydeHCID 593982891-[2-(4-aminopiperidin-1-yl)ethyl]-7-methoxyquinolin-2(1H)-one

Produkt 1

HCID 119833621-(2-{4-[(2,3-Dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]piperidin-1-yl}ethyl)-7-methoxyquinolin-2(1H)-one
Ausbeute 59,5 %

Reagenzien, Katalysatoren, Lösungsmittel 5

HCID 176Acetic AcidLösungsmittelHCID 313Hydrochloric AcidLösungsmittelHCID 6212ChloroformLösungsmittelHCID 6344DichloromethaneLösungsmittelHCID 18681192Ethanol, mixt. with methanolLösungsmittel

Versuchsvorschrift

To 7 mL of dichloromethane solution containing 0.18 g of 1-(2-(4-aminopiperidin-1-yl)ethyl)-7-methoxyquinolin-2(1H)-one, 99 mg of 2,3-dihydro(1,4)dioxino(2,3-c)pyridine-7-carbaldehyde and 34 μL of acetic acid were added. After stirring for 5 min, 0.19 g of sodium triacetoxyborohydride was added and stirred at room temperature for 1 hour. To the reaction mixture, aqueous saturated sodium hydrogen carbonate solution and chloroform were added, the organic layer was separated, and the aqueous layer was extracted with chloroform. The organic layer and extracts were combined, washed sequentially with water and aqueous saturated sodium chloride solution, dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure. After the residue thus obtained was dissolved in 6 mol/L hydrochloric acid, the solvent was removed under reduced pressure. To the residue thus obtained, a mixture of ethanol:methanol(5:1) was added and the resulting solid was filtered to give 0.16 g of 1-(2-(4-((2,3-dihydro(1,4)dioxino(2,3-c)pyridin-7-ylmethyl)amino)piperidin-1-yl)ethyl)-7-methoxyquinolin-2(1H)-one as a pale yellow solid.

Aufarbeitung

  1. additionwere added
  2. stirringstirred at room temperature for 1 hour
  3. customthe organic layer was separated
  4. extractionthe aqueous layer was extracted with chloroform
  5. washwashed sequentially with water and aqueous saturated sodium chloride solution
  6. dry with materialdried over anhydrous magnesium sulfate
  7. customthe solvent was removed under reduced pressure
  8. customAfter the residue thus obtained
  9. customthe solvent was removed under reduced pressure
  10. customTo the residue thus obtained
  11. additionwas added
  12. filtrationthe resulting solid was filtered

Quellen und Nachweise

ORD-Eintrag
ord-5cea90f7310d41b6b59befb4efa70e5f
Quelldatensatz
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08524738B2

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