Piperonal Impurity 2
PIPERONYL FORMALDEHYDE
CAS: 6543-34-6
Molecular Formula: C9H8O3
Piperonal Impurity 2 - Names and Identifiers
Piperonal Impurity 2 - Physico-chemical Properties
| Molecular Formula | C9H8O3 |
| Molar Mass | 164.16 |
| Melting Point | 82-83℃ |
| Boling Point | 147℃ (0.8 Torr) |
| Refractive Index | 1.57117 (589.3 nm) |
| Physical and Chemical Properties | Boiling point 143-144 ℃/1.3kPa,123-125 ℃/133Pa. |
Piperonal Impurity 2 - References
| use | berberine hydrochloride (berberine hydrochloride) intermediate. |
| Production method | Use catechol to cyclize with dichloromethane to form a pepper ring, and then use formaldehyde, concentrated hydrochloric acid chloromethylation, hexamethyltetramine amination to obtain urotropine salt, and then hydrolyze to obtain the product. |
Last Update：2024-04-10 22:29:15
