HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Formaldehyde → 6-Benzyloxy-3-methylene-4-chromanone
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Formaldehyde | HCID 712 | — |
| Edukt | Dimethylamine, hydrochloride | HCID 10473 | — |
| Edukt | 6-(Benzyloxy)chroman-4-one | HCID 14422776 | — |
| Lösungsmittel | Acetic Acid | HCID 176 | — |
| Produkt | 6-Benzyloxy-3-methylene-4-chromanone | HCID 14422790 | — |
Reaktionsschritte
A solution of 9.2 g of 6-benzyloxy-4-chromanone, dimethylamine hydrochloride and 1.3 g of paraformaldehyde in 100 ml of acetic acid was heated on a steam bath for 5 hours. The volatiles were evaporated in vacuo and the residue was purified on silica gel, eluting with CH2Cl2, to give 3.7 g of product, Rf (CH2Cl2)=0.5.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US06166031 |
| Quelldatensatz | uspto-grants-2000_12 |
| ORD ID | ord-987da6e8538a495581d20a1e7063812c |
| Quellennotiz | uspto-grants-2000_12 |