HuagongsheHuagongshe Chemistry Print Report · For research reference only
Triethylamine → 2-{4-[5-(Cyclopropyl-methyl-amino)-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid methyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | 5-(Cyclopropyl-methyl-amino)-2-ethynyl-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalene | HCID 21107195 | — |
| Reactant | 2-{4-[(8-Cyclopropyl-3,4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1'-cyclopropane]-6-yl)ethynyl]-phenyl}-propionic acid methyl ester | HCID 69075231 | — |
| Catalyst | Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI) | HCID 24350 | — |
| Catalyst | HCID 178418397 | HCID 178418397 | — |
| Solvent | Hexane | HCID 8058 | — |
| Product | 2-{4-[5-(Cyclopropyl-methyl-amino)-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid methyl ester | HCID 69075889 | — |
Reaction Steps
Following General Procedure B and using 5-(cyclopropyl-methyl-amino)-2-ethynyl-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalene (Intermediate 168, 0.116 g, 0.46 mmol), methyl-2-(4-iodophenyl)propionate (Reagent 1, 0.17 g, 0.59 mmol), triethyl amine (0.75 mL), copper(I)iodide (0.07 g, 0.37 mmol) and tetrakis(triphenylphosphine)palladium(0) (0.022 g, 0.019 mmol) followed by flash column chromatography over silica gel (230-400 mesh) and preparative normal phase HPLC using 5% ethyl acetate in hexane as the eluent, the title compound was obtained (0.08 g, 42%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07638648B2 |
| Source dataset | uspto-grants-2009_12 |
| ORD ID | ord-9fe5e7bc4cad4d09ad37c9f42805717d |
| Source note | uspto-grants-2009_12 |