HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methanol → 2,7-Dimethylfluorene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methanol | HCID 887 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | HCID 67719545 | HCID 67719545 | — |
| Reactant | HCID 178418361 | HCID 178418361 | — |
| Catalyst | Palladium hydroxide | HCID 9942167 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Ethyl acetate hexane | HCID 21226206 | — |
| Product | 2,7-Dimethylfluorene | HCID 101347 | 89.5% |
Reaction Steps
A mixture of 2,7-dimethylfluorenone (7.0 g, 32.8 mmol), methanol (100 mL), ethyl acetate (50 mL), acetic acid (20 mL) and palladium hydroxide (20% on carbon, water content 44.43%, 0.5g) was hydrogenated in a shaker at 26 psi of hydrogen for 4 hr. The reaction was monitored by TLC (silica, 10% ethyl acetate/hexane). The catalyst was filtered out and the solvents were removed in vacuum. Treatment of the residue with methanol afforded 5.7 g (89.3%) of 2,7-dimethylfluorene.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05079260 |
| Source dataset | uspto-grants-1992_01 |
| ORD ID | ord-e0e4ca2bfae348a3a38398336ab1b897 |
| Source note | uspto-grants-1992_01 |