HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Methallyl alcohol → 2-Methyl-1,4-butanediol
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Methallyl alcohol | HCID 10557 | — |
| Edukt | HCID 12270516 | HCID 12270516 | — |
| Edukt | HCID 178418361 | HCID 178418361 | — |
| Katalysator | HCID 178505374 | HCID 178505374 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | 2-Methyl-1,4-butanediol | HCID 18053 | 70% |
| Produkt | beta-Methyl-gamma-butyrolactone | HCID 98451 | 4% |
Reaktionsschritte
The process is carried out as in Examples 1 - 5 using 50.0 grams of a methanolic co-distillate (boiling range 66° - 78° C) containing 14.8 grams of 2-methoxy-4-methyltetrahydrofuran derived from methallyl alcohol as described in step (a), 30 ml of water and 5.0 grams of powdered copper chromite (Catalysts and Chemicals Co.). The mixture is heated at 180° C under 1000 psi of hydrogen for one hour. Analysis of the product mixture shows the presence of 9.3 grams of 2-methyl-1,4-butandiol (70% yield) and about 0.5 grams of 3-methyl-4-butyrolactone (4% yield).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04091041 |
| Quelldatensatz | uspto-grants-1978_05 |
| ORD ID | ord-b5220fa9d52240789ee45f8917821a5c |
| Quellennotiz | uspto-grants-1978_05 |