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Methanol → N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]-4-(4-acetamidophenoxy)benzamide

HRID 1017643
Notes
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Reaction equation

HRID 1017643 reaction equation
[C:1]([NH:4][C:5]1[CH:20]=[CH:19][C:8]([O:9][C:10]2[CH:18]=[CH:17][C:13]([C:14]([OH:16])=O)=[CH:12][CH:11]=2)=[CH:7][CH:6]=1)(=[O:3])[CH3:2].C1(OP(Cl)(OC2C=CC=CC=2)=O)C=CC=CC=1.[NH2:38][C@@H:39]1[CH:44]2[CH2:45][CH2:46][N:41]([CH2:42][CH2:43]2)[CH2:40]1.CO>C(Cl)Cl.CN(C=O)C>[N:41]12[CH2:46][CH2:45][CH:44]([CH2:43][CH2:42]1)[C@@H:39]([NH:38][C:14](=[O:16])[C:13]1[CH:12]=[CH:11][C:10]([O:9][C:8]3[CH:7]=[CH:6][C:5]([NH:4][C:1](=[O:3])[CH3:2])=[CH:20][CH:19]=3)=[CH:18][CH:17]=1)[CH2:40]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 887MethanolHCID 75654Diphenyl chlorophosphateHCID 719215(3R)-1-Azabicyclo(2.2.2)octan-3-amineHCID 36510794-(4-acetamidophenoxy)benzoic Acid

Product 1

HCID 10199719N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]-4-(4-acetamidophenoxy)benzamideYield 39%

Reagents, catalysts & solvents 2

HCID 6228
Dimethylformamide
Solvent
HCID 6344DichloromethaneSolvent

Procedure

TEA (130 μL, 1.0 mmol) is added to a suspension of the product of Step D (250 mg, 0.9 mmol) in CH2Cl2 (9 mL). Diphenylchlorophosphate (190 μL, 0.9 mmol) is added and the resulting solution is stirred at room temperature for 30 minutes. This solution is added to a solution of (R)-3-aminoquinuclidine (110 mg, 0.88 mmol) in DMF (1 mL). The resulting solution is stirred overnight at room temperature. MeOH is added and the mixture is poured through a column of AG50W×2 ion exchange resin (H+ form). The resin is washed with MeOH and then the product is eluted with 5% TEA in MeOH. The eluent is evaporated to dryness. The product is crystallized from CH3CN to yield the desired product (130 mg, 39%). MS for C22H25N3O3 (ESI) (M+H)+ m/z 380.

Workup

  1. stirringThe resulting solution is stirred overnight at room temperature
  2. additionthe mixture is poured through a column of AG50W×2 ion exchange resin (H+ form)
  3. washThe resin is washed with MeOH
  4. washthe product is eluted with 5% TEA in MeOH
  5. customThe eluent is evaporated to dryness
  6. customThe product is crystallized from CH3CN

Sources & evidence

ORD record
ord-16cd78e5436f4f8fb843027ec0241c99
Source dataset
uspto-grants-2002_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06479510B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes