HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methyl-2-(4-iodophenyl)-2-methyl-propionate → 2-{4-[(8-Cyclopropyl-3,4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1'-cyclopropane]-6-yl)ethynyl]-phenyl}-2-methyl-propionic acid methyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methyl-2-(4-iodophenyl)-2-methyl-propionate | HCID 21107277 | — |
| Reactant | 8-Cyclopropyl-6-ethynyl-3 4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1'-cvclopropane] | HCID 22568951 | — |
| Catalyst | Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI) | HCID 24350 | — |
| Catalyst | HCID 178418476 | HCID 178418476 | — |
| Solvent | Triethylamine | HCID 8471 | — |
| Product | 2-{4-[(8-Cyclopropyl-3,4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1'-cyclopropane]-6-yl)ethynyl]-phenyl}-2-methyl-propionic acid methyl ester | HCID 69077341 | — |
Reaction Steps
Following General Procedure B and using 8-cyclopropyl-6-ethynyl-3,4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1′-cyclopropane] (0.096 g, 0.38 mmol), methyl-2-(4-iodo phenyl)-2-methyl-propionate (Reagent 2, 0.127 g, 0.41 mmol), triethyl amine (3 mL), copper(I)iodide (0.040 g, 0.21 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.080 g, 0.11 mmol) followed by flash column chromatography over silica gel (230-400 mesh), the title compound was obtained as an oil (0.046 g, 47%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07638648B2 |
| Source dataset | uspto-grants-2009_12 |
| ORD ID | ord-c8b1cd2543234c54b1c9213e7c06fe69 |
| Source note | uspto-grants-2009_12 |