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Acetic Acid → 2-(4-tert-butylphenyl)-N-[(E)-isoquinolin-5-ylmethylideneamino]cyclopropane-1-carboxamide

HRID 446762
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 446762
[C:1]([C:5]1[CH:10]=[CH:9][C:8]([CH:11]2[CH2:13][CH:12]2[C:14]([NH:16][NH2:17])=[O:15])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[CH:18]1[C:27]2[CH:26]=[CH:25][CH:24]=[C:23]([CH:28]=O)[C:22]=2[CH:21]=[CH:20][N:19]=1.CC(O)=O>C(O)C>[C:1]([C:5]1[CH:10]=[CH:9][C:8]([CH:11]2[CH2:13][CH:12]2[C:14]([NH:16]/[N:17]=[CH:28]/[C:23]2[CH:24]=[CH:25][CH:26]=[C:27]3[C:22]=2[CH:21]=[CH:20][N:19]=[CH:18]3)=[O:15])=[CH:7][CH:6]=1)([CH3:4])([CH3:2])[CH3:3]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 176Acetic AcidHCID 5891992-(4-tert-Butylphenyl)cyclopropanecarbohydrazideHCID 7016853Isoquinoline-5-carboxaldehyde

Produkt 1

HCID 445554402-(4-tert-butylphenyl)-N-[(E)-isoquinolin-5-ylmethylideneamino]cyclopropane-1-carboxamideAusbeute 50,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 702Ethanol
Lösungsmittel

Reaktionsbedingungen

Temperatur
90 °C

Versuchsvorschrift

To a room temperature solution of 2-(4-tert-butylphenyl)cyclopropanecarbohydrazide (200 mg, 0.86 mmol) in ethanol (10 mL) were added isoquinoline-5-carbaldehyde (162 mg, 1.0 mmol) and a catalytic amount of glacial AcOH (0.4 mL) under an inert atmosphere. The reaction mixture was then stirred at 90° C. for 4 h, concentrated in vacuo, and the residue was then dissolved in DCM (50 mL). The organic layer was washed with saturated NaHCO3 solution (15 mL) and brine (15 mL). The organic layer was then separated, dried over anhydrous Na2SO4, filtered and evaporated in vacuo to obtain the crude product. The crude material was purified via silica gel column chromatography eluting with 1% MeOH in dichloromethane to afford (E)-2-(4-tert-butylphenyl)-N′-(isoquinolin-5-ylmethylene) cyclopropanecarbohydrazide (160 mg, 50%) as a white solid. 1H NMR (500 MHz, d6-DMSO): δ 11.60 (s, 1H), 9.38 (s, 1H), 8.71-8.56 (m, 2H), 8.25-8.12 (m, 2H), 8.11-7.99 (m, 2H), 7.39-7.29 (m, 2H), 7.19-7.06 (m, 2H), 2.41-2.33 (m, 1H), 1.95-1.90 (m, 1H), 1.42-1.34 (m, 2H), 1.25 (s, 9H). MS: M m/z=372.2 HPLC: 96%, (Condition-A).

Aufarbeitung

  1. concentrationconcentrated in vacuo
  2. dissolutionthe residue was then dissolved in DCM (50 mL)
  3. washThe organic layer was washed with saturated NaHCO3 solution (15 mL) and brine (15 mL)
  4. customThe organic layer was then separated
  5. dry with materialdried over anhydrous Na2SO4
  6. filtrationfiltered
  7. customevaporated in vacuo
  8. customto obtain the crude product
  9. customThe crude material was purified via silica gel column chromatography
  10. washeluting with 1% MeOH in dichloromethane

Quellen und Nachweise

ORD-Eintrag
ord-577731232e1945eb8b755f45afb7bd17
Quelldatensatz
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08481532B2

Notizen zur Reaktion

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