HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Lithium Hydroxide → 2-(Pyridin-4-yl)pyrimidine-5-carboxylic acid
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Lithium Hydroxide | HCID 3939 | — |
| Edukt | Methyl 2-(pyridin-4-yl)pyrimidine-5-carboxylate | HCID 69122655 | — |
| Lösungsmittel | Methanol | HCID 887 | — |
| Produkt | 2-(Pyridin-4-yl)pyrimidine-5-carboxylic acid | HCID 22710213 | 96% |
Reaktionsschritte
A solution of 2-pyridin-4-yl-pyrimidine-5-carboxylic acid methyl ester (1.11 g, 5.18 mmol), and aqueous LiOH (1 M, 5.18 mL) in MeOH (7.25 mL) is stirred at room temperature overnight. MeOH is removed in vacuo, and the aqueous solution is treated with 3 N HCl to adjust the pH to between 2 and 3. The solid is filtered off and washed with water and dried in vacuum to yield 2-pyridin-4-yl-pyrimidine-5-carboxylic acid (1 g, 96%) as a solid. MS: 202 (M+H).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US08202863B2 |
| Quelldatensatz | uspto-grants-2012_06 |
| ORD ID | ord-491d2d1456254b5c9f5411093db16779 |
| Quellennotiz | uspto-grants-2012_06 |