HuagongsheHuagongshe Chemistry Print Report · For research reference only
Triethyl 2-fluoro-2-phosphonoacetate → ethyl (2E)-3-(7-ethoxy-4-ethyl-2,2-dimethyl-2H-chromen-6-yl)-2-fluoro-but-2-enoate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Triethyl 2-fluoro-2-phosphonoacetate | HCID 2734865 | — |
| Reactant | 1-(7-Ethoxy-4-ethyl-2,2-dimethyl-2H-chromen-6-yl)-ethanone | HCID 22490829 | — |
| Product | ethyl (2E)-3-(7-ethoxy-4-ethyl-2,2-dimethyl-2H-chromen-6-yl)-2-fluoro-but-2-enoate | HCID 86597830 | — |
Reaction Steps
Following General Procedure K, triethyl-2-fluoro-2-phosphonoacetate (173 mg, 7.15 mmol) and 1-(7-ethoxy-4-ethyl-2,2-dimethyl-2H-chromen-6-yl)-ethanone (Compound 56, 394 mg, 1.43 mmol) were reacted to give the title compound as a yellow oil after purification by flash chromatography (silica gel, 1:9 ethyl acetate/hexane).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06887896B1 |
| Source dataset | uspto-grants-2005_05 |
| ORD ID | ord-ad60d00cd87143abb2e2c62535e50134 |
| Source note | uspto-grants-2005_05 |