HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Ethyl Acetate → 2-Methyl-beta-octadecyl-1,3-dioxolan-2-propanol
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Ethyl Acetate | HCID 8857 | — |
| Edukt | Sodium Hydroxide | HCID 14798 | — |
| Edukt | Aluminium lithium hydride | HCID 21226445 | — |
| Edukt | 2-Methyl-alpha-octadecyl-1,3-dioxolan-2-propanoic acid, ethyl ester | HCID 86741269 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Lösungsmittel | Diethyl Ether | HCID 3283 | — |
| Produkt | 2-Methyl-beta-octadecyl-1,3-dioxolan-2-propanol | HCID 20218949 | 91,9% |
Reaktionsschritte
To a suspension of about 3.75 g of lithium aluminum hydride in about 100 ml of ether at about 0° C., was added dropwise, under argon, over about 20 minutes, a solution of about 29 g of 2-methyl-α-octadecyl-1,3-dioxolan-2-propanoic acid, ethyl ester in about 200 ml of ether. This mixture was stirred about 40 minutes at room temperature, then about 15 ml of ethyl acetate were added dropwise, followed by about 1.5 ml of water, about 3 ml of about 15% sodium hydroxide and about 4 ml of water. The mixture was then filtered through celite and the solid washed with ether. The solvent was removed from the filtrate, giving an oil which crystallized on standing, giving about 24.1 g of the desired title compound, mp 34°-35° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04640913 |
| Quelldatensatz | uspto-grants-1987_02 |
| ORD ID | ord-f937a14c4e2644b1b6c42cf2ce43211b |
| Quellennotiz | uspto-grants-1987_02 |