Trifluoroacetic acid → N-(3,4-dichlorophenyl)-4-(pyrrolidin-3-ylcarbonyl)piperazine-1-carboxamide

HRID 2371164Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2371164
[Cl:1][C:2]1[CH:3]=[C:4]([NH:9][C:10]([N:12]2[CH2:17][CH2:16][N:15]([C:18]([CH:20]3[CH2:24][CH2:23][N:22](C(OC(C)(C)C)=O)[CH2:21]3)=[O:19])[CH2:14][CH2:13]2)=[O:11])[CH:5]=[CH:6][C:7]=1[Cl:8].C(O)(C(F)(F)F)=O>C(Cl)Cl>[Cl:1][C:2]1[CH:3]=[C:4]([NH:9][C:10]([N:12]2[CH2:13][CH2:14][N:15]([C:18]([CH:20]3[CH2:24][CH2:23][NH:22][CH2:21]3)=[O:19])[CH2:16][CH2:17]2)=[O:11])[CH:5]=[CH:6][C:7]=1[Cl:8]

Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 57656707Tert-butyl 3-[(4-{[(3,4-dichlorophenyl)amino]carbonyl}piperazin-1-yl)carbonyl]pyrrolidine-1-carboxylate

Produkt 1

HCID 57656909N-(3,4-dichlorophenyl)-4-(pyrrolidin-3-ylcarbonyl)piperazine-1-carboxamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a stirred solution of tert-butyl 3-[(4-{[(3,4-dichlorophenyl)amino]carbonyl}piperazin-1-yl)carbonyl]pyrrolidine-1-carboxylate (3.485 g, 7.39 mmol) in DCM (30 ml) was added TFA (30 ml). The reaction was allowed to stir at ambient temperature for 1 hour. The solvents were then removed in vacuo, residue partitioned between DCM and 2M NaOH, extracted twice and the combined organics dried (Na2SO4), filtered and evaporated to dryness to give the product, N-(3,4-dichlorophenyl)-4-(pyrrolidin-3-ylcarbonyl)piperazine-1-carboxamide, as a pale yellow foam (2.745 g, 7.39 mmol, 100%).

Aufarbeitung

  1. customThe solvents were then removed in vacuo, residue
  2. custompartitioned between DCM and 2M NaOH
  3. extractionextracted twice
  4. dry with materialthe combined organics dried (Na2SO4)
  5. filtrationfiltered
  6. customevaporated to dryness

Quellen und Nachweise

ORD-Eintrag
ord-1141c07d5f4d402eb48fe539d198b89a
Quelldatensatz
uspto-grants-2014_04
Patentnummer
US08710224B2

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