HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
1,2-Diaminocyclohexane, trans- → 3-(3-Benzothiazol-6-yl-2-oxo-imidazolidin-1-yl)-pyridine-4-carbaldehyde
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 1,2-Diaminocyclohexane, trans- | HCID 43806 | — |
| Edukt | Potassium Phosphate, Tribasic | HCID 62657 | — |
| Edukt | 3-Bromopyridine-4-carboxaldehyde | HCID 2762997 | — |
| Edukt | 1-Benzothiazol-6-yl-imidazolidin-2-one | HCID 66678554 | — |
| Katalysator | Copper iodide | HCID 83717 | — |
| Lösungsmittel | 1,4-Dioxane | HCID 31275 | — |
| Produkt | 3-(3-Benzothiazol-6-yl-2-oxo-imidazolidin-1-yl)-pyridine-4-carbaldehyde | HCID 59636272 | 28,9% |
Reaktionsschritte
Using the same reaction conditions as in Example 14, 1-benzothiazol-6-yl-imidazolidin-2-one (I-84b: 588.7 mg, 2.688 mmol) was reacted with 3-bromo-pyridine-4-carbaldehyde (500 mg, 2.688 mmol), 1,4-dioxane (10 mL), copper iodide (51.2 mg, 0.2688 mmol), trans-1,2-diamino cyclohexane (92.33 mg, 0.8064 mmol) and potassium phosphate (1.711 g, 8.064 mmol) to afford the crude product. Purification by column chromatography on silica gel (2% MeOH in CHCl3) afforded 250 mg of 3-(3-Benzothiazol-6-yl-2-oxo-imidazolidin-1-yl)-pyridine-4-carbaldehyde (28.9% yield).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | USRE045173E1 |
| Quelldatensatz | uspto-grants-2014_09 |
| ORD ID | ord-82cee927edb549fb9391fcd19a5ee527 |
| Quellennotiz | uspto-grants-2014_09 |