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Sodium Bicarbonate → HCID 59398086, compound

HRID 39882
Notes
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Reaction equation

HRID 39882 reaction equation
[O:1]1[C:6]2[CH:7]=[CH:8][C:9]([CH2:11][N:12]([CH:20]3[CH2:25][CH2:24][NH:23][CH2:22][CH2:21]3)[C:13](=[O:19])[O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[CH:10][C:5]=2[O:4][CH2:3][CH2:2]1.[N+:26]([C:29]1[CH:38]=[CH:37][CH:36]=[C:35]2[C:30]=1[CH:31]=[CH:32][C:33](=[O:42])[N:34]2[CH2:39][CH:40]=O)([O-:28])=[O:27].C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>C(O)(=O)C.C(Cl)(Cl)Cl>[O:1]1[C:6]2[CH:7]=[CH:8][C:9]([CH2:11][N:12]([CH:20]3[CH2:25][CH2:24][N:23]([CH2:40][CH2:39][N:34]4[C:35]5[C:30](=[C:29]([N+:26]([O-:28])=[O:27])[CH:38]=[CH:37][CH:36]=5)[CH:31]=[CH:32][C:33]4=[O:42])[CH2:22][CH2:21]3)[C:13](=[O:19])[O:14][C:15]([CH3:18])([CH3:16])[CH3:17])=[CH:10][C:5]=2[O:4][CH2:3][CH2:2]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 57815320Tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(piperidin-4-yl)carbamateHCID 59398202HCID 59398202, compound

Product 1

HCID 59398086HCID 59398086, compoundYield 74.1%

Reagents, catalysts & solvents 2

HCID 176Acetic AcidSolventHCID 6212ChloroformSolvent

Procedure

To 1 mL of a chloroform solution containing 0.20 g of tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(piperidin-4-yl)carbamate, 0.14 g of (5-nitro-2-oxoquinolin-1(2H)-yl)acetaldehyde, 10 μL of acetic acid and 0.18 g of sodium triacetoxyborohydride were added and stirred at room temperature for 2 nights. Aqueous saturated sodium hydrogen carbonate solution was added, the organic layer was separated, and the aqueous layer was extracted with chloroform. The organic layer and extracts were combined, washed with aqueous saturated sodium chloride solution, dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure. The residue thus obtained was purified by silica gel column chromatography[Silica Gel; Kanto Chemical Co., Inc., Silica Gel 60, eluent; ethyl acetate], to give 0.24 g of tert-butyl (2,3-dihydro-1,4-benzodioxin-6-ylmethyl)(1-(2-(5-nitro-2-oxoquinolin-1(2H)-yl)ethyl)piperidin-4-yl)carbamate as a yellow foam.

Workup

  1. additionwere added
  2. customthe organic layer was separated
  3. extractionthe aqueous layer was extracted with chloroform
  4. washwashed with aqueous saturated sodium chloride solution
  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[Silica Gel; Kanto Chemical Co., Inc., Silica Gel 60, eluent; ethyl acetate]

Sources & evidence

ORD record
ord-4d134c5f2510475881dbd6aa5928b380
Source dataset
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08524738B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes