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Acetaldehyde → HCID 86709400, compound

HRID 2172265
Notes
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Reaction equation

HRID 2172265 reaction equation
[N+:1]([C:4]1[N:5]=[C:6]2[N:11]([CH:12]=1)[CH2:10][CH2:9][C@H:8]([CH2:13][O:14][C:15]1[CH:20]=[CH:19][C:18]([N:21]3[CH2:26][CH2:25][CH:24]([NH:27][C:28]4[CH:33]=[CH:32][C:31]([O:34][CH2:35][C:36]5[CH:41]=[CH:40][C:39]([O:42][C:43]([F:46])([F:45])[F:44])=[CH:38][CH:37]=5)=[CH:30][CH:29]=4)[CH2:23][CH2:22]3)=[CH:17][CH:16]=1)[O:7]2)([O-:3])=[O:2].[CH:47](=O)[CH3:48].C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])[O-].[K+].[K+]>ClCCCl>[CH2:47]([N:27]([CH:24]1[CH2:23][CH2:22][N:21]([C:18]2[CH:17]=[CH:16][C:15]([O:14][CH2:13][C@@H:8]3[O:7][C:6]4=[N:5][C:4]([N+:1]([O-:3])=[O:2])=[CH:12][N:11]4[CH2:10][CH2:9]3)=[CH:20][CH:19]=2)[CH2:26][CH2:25]1)[C:28]1[CH:33]=[CH:32][C:31]([O:34][CH2:35][C:36]2[CH:37]=[CH:38][C:39]([O:42][C:43]([F:46])([F:45])[F:44])=[CH:40][CH:41]=2)=[CH:30][CH:29]=1)[CH3:48]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 177AcetaldehydeHCID 11430Potassium CarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 70874368HCID 70874368, compound

Product 1

HCID 86709400HCID 86709400, compound

Reagents, catalysts & solvents 1

HCID 11
1,2-Dichloroethane
Solvent

Procedure

N-{1-[4-((R)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-7-ylmethoxy)phenyl]piperidin-4-yl}-N-[4-(4-trifluoromethoxybenzyloxy)phenyl]amine (0.47 g) was suspended in 1,2-dichloroethane (5 ml). Acetaldehyde (0.41 ml) and sodium triacetoxyborohydride (0.46 g) were added to the suspension, and the mixture was stirred at room temperature for 3 days. A potassium carbonate aqueous solution was added to the reaction mixture, followed by extraction with methylene chloride. The organic layer was washed with a saturated sodium chloride aqueous solution, dried over sodium sulfate, and then concentrated under reduced pressure. The residue was purified by medium pressure silica gel column chromatography (methylene chloride:methanol=10:0→methylene chloride:methanol=9:1) and recrystallized from methanol to afford the title compound as a yellow powder (0.25 g).

Workup

  1. extractionfollowed by extraction with methylene chloride
  2. washThe organic layer was washed with a saturated sodium chloride aqueous solution
  3. dry with materialdried over sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by medium pressure silica gel column chromatography (methylene chloride:methanol=10:0→methylene chloride:methanol=9:1)
  6. customrecrystallized from methanol

Sources & evidence

ORD record
ord-5ca23a4764af446cb5586021ad266d7f
Source dataset
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09051333B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes