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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 2193180
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HRID 2193180 반응식
[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.[C:16]([O:20][C:21](=[O:40])[N:22]([CH2:29][C:30]1[CH:39]=[CH:38][C:33]2[O:34][CH2:35][CH2:36][O:37][C:32]=2[CH:31]=1)[CH:23]1[CH2:28][CH2:27][NH:26][CH2:25][CH2:24]1)([CH3:19])([CH3:18])[CH3:17].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>[C:16]([O:20][C:21](=[O:40])[N:22]([CH2:29][C:30]1[CH:39]=[CH:38][C:33]2[O:34][CH2:35][CH2:36][O:37][C:32]=2[CH:31]=1)[CH:23]1[CH2:28][CH2:27][N:26]([CH2:13][CH2:12][N:9]2[C:10]3[C:5](=[CH:4][CH:3]=[C:2]([CH3:1])[CH:11]=3)[CH:6]=[CH:7][C:8]2=[O:15])[CH2:25][CH2:24]1)([CH3:19])([CH3:17])[CH3:18]
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참가 물질

9

반응물 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

생성물 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
수율 61.3%

시약·촉매·용매 4

HCID 176Acetic Acid용매HCID 962Water용매HCID 6212Chloroform용매HCID 6344Dichloromethane용매

실험 절차

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.

후처리

  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]

출처 및 근거

ORD 기록
ord-c37e589f509342de8a951ac4178db7da
출처 데이터셋
uspto-grants-2012_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08329694B2

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