HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,4-Dioxaspiro[4.5]decan-8-one → HCID 19705225, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,4-Dioxaspiro[4.5]decan-8-one | HCID 567415 | — |
| Reactant | (2,3-Dihydro-2,2-dimethylbenzofuran-7-ylmethyl)triphenylphosphonium bromide | HCID 19705240 | — |
| Reactant | Butyllithium | HCID 178418339 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 19705225 | HCID 19705225 | — |
Reaction Steps
This compound is prepared in a manner analogous to that of Step B of Example 2, using 18.4 grams (0.039 mole) of (2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethyl)triphenylphosphonium bromide, 15.4 mL (0.039 mole) of n-butyllithium (2.5M in hexanes), and 5.0 grams (0.032 mole) of 1,4-cyclohexanedione mono-ethylene ketal in about 55 mL of dry tetrahydrofuran, yielding 8-(2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethylene)-1,4-dioxaspiro[4.5]decane
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05712281 |
| Source dataset | uspto-grants-1998_01 |
| ORD ID | ord-cdc07bdac89d4c08895098dec17d4f7e |
| Source note | uspto-grants-1998_01 |