HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
3,4-dihydro-2H-pyran → 2H-Pyran, 2-(4-chlorobutoxy)tetrahydro-
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 3,4-dihydro-2H-pyran | HCID 8080 | — |
| Edukt | 4-Chloro-1-butanol | HCID 13569 | — |
| Katalysator | Hydrochloric Acid | HCID 313 | — |
| Produkt | 2H-Pyran, 2-(4-chlorobutoxy)tetrahydro- | HCID 170488 | 89,9% |
Reaktionsschritte
Dihydropyran (15.5 g) was added dropwise to a mixture of 4-chlorobutanol (20 g) and hydrochloric acid (18 M, 1 drop) at RT. The mixture was stirred for 30 min and washed with H2O (100 ml), aqueous NaHCO3 (1 M, 50 ml) and BR (50 ml). The dried liquid was heated under reduced pressure to leave the title compound as a colourless liquid (31.9 g). T.l.c. [L] Rf 0.5.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05243076 |
| Quelldatensatz | uspto-grants-1993_09 |
| ORD ID | ord-8d888550453845d89f366f2eeaefe39f |
| Quellennotiz | uspto-grants-1993_09 |