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Sodium Bicarbonate → tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(1-(2-(7-methyl-2-oxoquinolin-1(2H)-yl)ethyl)piperidin-4-yl)carbamate

HRID 39809
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 39809
[CH3:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[CH:7][C:8](=[O:15])[N:9]2[CH2:12][CH:13]=O)=[CH:4][CH:3]=1.[O:16]1[C:21]2[CH:22]=[CH:23][C:24]([CH2:26][N:27]([CH:35]3[CH2:40][CH2:39][NH:38][CH2:37][CH2:36]3)[C:28](=[O:34])[O:29][C:30]([CH3:33])([CH3:32])[CH3:31])=[CH:25][C:20]=2[O:19][CH2:18][CH2:17]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>C(Cl)(Cl)Cl.O.C(O)(=O)C.ClCCl>[O:16]1[C:21]2[CH:22]=[CH:23][C:24]([CH2:26][N:27]([CH:35]3[CH2:40][CH2:39][N:38]([CH2:13][CH2:12][N:9]4[C:10]5[C:5](=[CH:4][CH:3]=[C:2]([CH3:1])[CH:11]=5)[CH:6]=[CH:7][C:8]4=[O:15])[CH2:37][CH2:36]3)[C:28](=[O:34])[O:29][C:30]([CH3:33])([CH3:31])[CH3:32])=[CH:25][C:20]=2[O:19][CH2:18][CH2:17]1
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Komponenten

9

Edukt 4

HCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 57815320Tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(piperidin-4-yl)carbamateHCID 59398276(7-methyl-2-oxoquinolin-1(2H)-yl)acetaldehyde

Produkt 1

HCID 59398272tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(1-(2-(7-methyl-2-oxoquinolin-1(2H)-yl)ethyl)piperidin-4-yl)carbamate
Ausbeute 61,3 %

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 176Acetic AcidLösungsmittelHCID 962WaterLösungsmittelHCID 6212ChloroformLösungsmittelHCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To 8.0 mL of dichloromethane solution containing 0.16 g of (7-methyl-2-oxoquinolin-1(2H)-yl)acetaldehyde, 0.28 g of tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(piperidin-4-yl)carbamate and 80 μL of acetic acid were added, stirred at room temperature for 15 min, then, 0.25 g of sodium triacetoxyborohydride was added, and stirred at room temperature for 1 hour. To the reaction mixture, aqueous saturated sodium hydrogen carbonate solution, water and chloroform were added. The organic layer was separated, and the aqueous layer was extracted with chloroform. The organic layer and extracts were combined, dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure. The residue thus obtained was purified by silica gel column chromatography [eluent; hexane:ethyl acetate=1:3], to give 0.26 g of tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(1-(2-(7-methyl-2-oxoquinolin-1(2H)-yl)ethyl)piperidin-4-yl)carbamate as a brown oil.

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. dry with materialdried over anhydrous magnesium sulfate
  6. customthe solvent was removed under reduced pressure
  7. customThe residue thus obtained
  8. customwas purified by silica gel column chromatography [eluent; hexane:ethyl acetate=1:3]

Quellen und Nachweise

ORD-Eintrag
ord-fbd8bd55c9274d9b9626b41e5d1028ee
Quelldatensatz
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08524738B2

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