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1-Hydroxybenzotriazole → 2-Amino-4-[3-(pyrimidin-2-ylcarbamoyl)-propyl]-imidazole-1-carboxylic acid tert-butyl ester

HRID 1422439
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1422439
C(Cl)CCl.C1C=CC2N(O)N=NC=2C=1.[C:15]([O:19][C:20]([N:22]1[CH:26]=[C:25]([CH2:27][CH2:28][CH2:29][C:30]([OH:32])=O)[N:24]=[C:23]1[NH2:33])=[O:21])([CH3:18])([CH3:17])[CH3:16].ON1C2C=CC=CC=2N=N1.Cl.C[N:46](C)[CH2:47][CH2:48][CH2:49][N:50]=[C:51]=[N:52]CC>CN(C=O)C>[C:15]([O:19][C:20]([N:22]1[CH:26]=[C:25]([CH2:27][CH2:28][CH2:29][C:30](=[O:32])[NH:52][C:51]2[N:46]=[CH:47][CH:48]=[CH:49][N:50]=2)[N:24]=[C:23]1[NH2:33])=[O:21])([CH3:16])([CH3:17])[CH3:18]
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Komponenten

6

Edukt 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 670619482-Amino-4-(3-carboxy-propyl)-imidazole-1-carboxylic acid tert-butyl esterHCID 86583742Edc hobt

Produkt 1

HCID 670619092-Amino-4-[3-(pyrimidin-2-ylcarbamoyl)-propyl]-imidazole-1-carboxylic acid tert-butyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

General EDC/HOBt Procedure: 2-amino-4-(3-carboxy-propyl)-imidazole-1-carboxylic acid tert-butyl ester 22 (100 mg, 0.371 mmol), 1-hydroxybenzotriazole (100 mg, 0.742 mmol) and N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (142 mg, 0.742 mmol) were dissolved in anhydrous DMF (3 mL). The appropriate amine coupling partner (1.48 mmol) was then added and the solution was stirred at ambient temperature until completion was evident by TLC analysis. The reaction was concentrated under reduced pressure and the residue partitioned between ethyl acetate (20 mL) and water (10 mL) The organic layer was successively washed with water (3×10 mL), a 10% aqueous solution of citric acid (2×10 mL), sat. NaHCO3 (2×10 mL), and brine (10 mL) before being dried (Na2SO4) and evaporated to dryness. The crude product was purified via flash column chromatography (2-10% MeOH/CH2Cl2) to afford the target compound.

Aufarbeitung

  1. concentrationThe reaction was concentrated under reduced pressure
  2. customthe residue partitioned between ethyl acetate (20 mL) and water (10 mL) The organic layer
  3. washwas successively washed with water (3×10 mL)
  4. dry with materiala 10% aqueous solution of citric acid (2×10 mL), sat. NaHCO3 (2×10 mL), and brine (10 mL) before being dried (Na2SO4)
  5. customevaporated to dryness
  6. customThe crude product was purified via flash column chromatography (2-10% MeOH/CH2Cl2)
  7. customto afford the target compound

Quellen und Nachweise

ORD-Eintrag
ord-c9f3fc6e824a49c5bfa6eaed920d60e9
Quelldatensatz
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08927029B2

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