HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,3,5,6-Tetrafluorophenol → N-[(1-methyl-3-isobutyl-indole-2-cabonyl)leucinyl]-3-amino-4-oxo-5-(2,3,5,6-tetrafluorophenyloxy)-pentanoic acid, tert-butyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,3,5,6-Tetrafluorophenol | HCID 69858 | — |
| Reactant | Potassium Fluoride | HCID 522689 | — |
| Reactant | Ethyl acetate hexane | HCID 21226206 | — |
| Reactant | N-[(1-methyl-3-isobutyl-indole-2-cabonyl)leucinyl]-3-amino-5-bromo-4-oxo-pentanoic acid, tert-butyl ester | HCID 86756364 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | N-[(1-methyl-3-isobutyl-indole-2-cabonyl)leucinyl]-3-amino-4-oxo-5-(2,3,5,6-tetrafluorophenyloxy)-pentanoic acid, tert-butyl ester | HCID 86756363 | 72.4% |
Reaction Steps
The titled product (47.6 mg, 72%, white solid) was prepared as described in Example 82 using the product of Example 88 (57.6 mg, 0.097 mmol), potassium fluoride (18.5 mg, 0.24 mmol), and 2,3,5,6-tetrafluorophenol (21.1 mg, 0.097 mmol) in DMF (2.0 ml). TLC (hexane/EtOAc, 50/50): Rf=0.55.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06184244B2 |
| Source dataset | uspto-grants-2001_02 |
| ORD ID | ord-a522d2b1178044bea514733c1e72cef4 |
| Source note | uspto-grants-2001_02 |