HuagongsheHuagongshe Chemistry Print Report · For research reference only
Triethylamine → HCID 69073779, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | Trimethylsilylacetylene | HCID 66111 | — |
| Reactant | HCID 57424228 | HCID 57424228 | — |
| Catalyst | Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI) | HCID 24350 | — |
| Catalyst | HCID 178418476 | HCID 178418476 | — |
| Solvent | Hexane | HCID 8058 | — |
| Product | HCID 69073779 | HCID 69073779 | 71% |
Reaction Steps
Following General Procedure D and using 6-bromo-2,2,4,4-tetramethylchroman-8-carboxylic acid 2,2dimethylpropyl ester (Intermediate 46, 0.54 g, 1.4 mmol), triethyl amine (3 mL), copper(I)iodide (0.10 g, 0.52 mmol), trimethylsilyl acetylene (0.8 mL, 5.6 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.25 g, 0.35 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 10% ethyl acetate in hexane as the eluent, the title compound (0.396 g, 71%) was obtained as a yellow oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07638648B2 |
| Source dataset | uspto-grants-2009_12 |
| ORD ID | ord-7c1af77b8abf47b0ba2ddbeaa8826e19 |
| Source note | uspto-grants-2009_12 |