HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tetrahydrofuran → HCID 70024647, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Tetrahydrofuran | HCID 8028 | — |
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | Trimethylsilylacetylene | HCID 66111 | — |
| Reactant | HCID 70024399 | HCID 70024399 | — |
| Catalyst | Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI) | HCID 24350 | — |
| Catalyst | HCID 178418476 | HCID 178418476 | — |
| Solvent | Hexane | HCID 8058 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 70024647 | HCID 70024647 | — |
Reaction Steps
Following general procedure D and using 6-bromo-8-ethyl-2,2,4,4-tetramenthyl chroman (Intermediate 46, 0.5 g, 1.61 mmol), (trimethylsilyl)acetylene (1.57 g, 16.1 mmol), triethyl amine (8 mL), anhydrous tetrahydrofuran (10 mL), copper(I)iodide (0.025 g, 0.13 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.075 g, 0.11 mmol), followed by flash column chromatography over silica gel (230-400 mesh) using 5% ethyl acetate in hexane as the eluent, the title compound was obtained as an oil (0.137 g, 27%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06531599B2 |
| Source dataset | uspto-grants-2003_03 |
| ORD ID | ord-83af80029390442c8de0a194370b58e5 |
| Source note | uspto-grants-2003_03 |