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p-Fluoronitrobenzene → ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-1-(4-nitrophenyl)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate

HRID 2376099
Notes
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Reaction equation

HRID 2376099 reaction equation
Cl.Cl.[C:3]([O:7][C:8]([N:10]([C@@H:24]1[CH2:28][CH2:27][NH:26][CH2:25]1)[C:11]1[N:16]=[CH:15][C:14](/[CH:17]=[CH:18]/[C:19]([O:21][CH2:22][CH3:23])=[O:20])=[CH:13][CH:12]=1)=[O:9])([CH3:6])([CH3:5])[CH3:4].F[C:30]1[CH:35]=[CH:34][C:33]([N+:36]([O-:38])=[O:37])=[CH:32][CH:31]=1.C(N(CC)C(C)C)(C)C>CN(C=O)C>[C:3]([O:7][C:8]([N:10]([C@@H:24]1[CH2:28][CH2:27][N:26]([C:30]2[CH:35]=[CH:34][C:33]([N+:36]([O-:38])=[O:37])=[CH:32][CH:31]=2)[CH2:25]1)[C:11]1[N:16]=[CH:15][C:14](/[CH:17]=[CH:18]/[C:19]([O:21][CH2:22][CH3:23])=[O:20])=[CH:13][CH:12]=1)=[O:9])([CH3:4])([CH3:5])[CH3:6]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 9590p-FluoronitrobenzeneHCID 81531DiisopropylethylamineHCID 86603639ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-3-pyrrolidinyl]amino}-3-pyridyl)acrylate dihydrochloride

Product 1

HCID 86603718ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-1-(4-nitrophenyl)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylateYield 100.4%

Reagents, catalysts & solvents 1

HCID 6228
Dimethylformamide
Solvent

Conditions

Temperature
120 °C

Procedure

To a solution of ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate dihydrochloride (268 mg) in DMF (3 mL) was added 1-fluoro-4-nitrobenzene (91.4 mg) and N,N-diisopropylethylamine (0.376 mL). After stirring for 3 hours at 120° C., the reaction mixture was partitioned between ethyl acetate and H2O. The organic layer was washed with H2O and brine, dried over MgSO4, filtered, and evaporated in vacuo to give ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-1-(4-nitrophenyl)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate (299 mg).

Workup

  1. customthe reaction mixture was partitioned between ethyl acetate and H2O
  2. washThe organic layer was washed with H2O and brine
  3. dry with materialdried over MgSO4
  4. filtrationfiltered
  5. customevaporated in vacuo

Sources & evidence

ORD record
ord-84abc318ad544345a052370397c301ab
Source dataset
uspto-grants-2008_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07465731B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes