HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Hydroxide → HCID 19004331, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | HCID 67757190 | HCID 67757190 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 19004331 | HCID 19004331 | 92.7% |
Reaction Steps
A mixture of alpha-oxo-4-[[2-[3-(2-phenoxyethoxy)-2-naphthalenyloxy]ethyl]oxy]benzeneacetic acid methyl ester (0.50 g) in hot methanol (10 mL) plus enough tetrahydrofuran to dissolve the solids, was treated with 1N sodium hydroxide (2 mL) and diluted with water. The organic solvent was removed under vacuum and the residue was mixed with water, acidified with excess 2N hydrochloric acid, and extracted with dichloromethane. The organic layer was dried (Na2SO4), filtered, and evaporated to give crude product. Crystallization from acetone-hexane provided 0.45 g of alpha-oxo-4-[[2-[3-(2-phenoxyethoxy)-2-naphthalenyloxy]ethyl]oxy]benzeneacetic acid as a colorless solid, mp 176°-177° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05344843 |
| Source dataset | uspto-grants-1994_09 |
| ORD ID | ord-0f7a614f09c5400eba99644c8d0a867b |
| Source note | uspto-grants-1994_09 |