HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethylene carbonate → HCID 21196994, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethylene carbonate | HCID 7303 | — |
| Reactant | 2-Hydroxyfluoren-9-one | HCID 81386 | — |
| Solvent | Triethylamine | HCID 8471 | — |
| Product | HCID 21196994 | HCID 21196994 | 63% |
Reaction Steps
Following the procedure described in Example 29, 2-hydroxyfluoren-9-one (Aldrich) was reacted with ethylene carbonate and triethylamine to obtain 2-hydroxyethoxyfluoren-9-one (63% yield), with a melting point of 118-119° C. The title compound, with a melting point of 131.5-133° C., was obtained in 96% yield by the previously described DBU-catalyzed reaction with VDM in heptane.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06245922B1 |
| Source dataset | uspto-grants-2001_06 |
| ORD ID | ord-f464ec1a2fd64ef1945d491f3ed2eb81 |
| Source note | uspto-grants-2001_06 |