HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl 4-[(7,8-dihydro-8,8-dimethyl-5-(2-thienyl)naphth-3-yl)ethynyl]benzoate → 4-[(5,6-Dihydro-5,5-dimethyl-8-(2-thienyl)-2-naphthalenyl)ethynyl]benzoic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl 4-[(7,8-dihydro-8,8-dimethyl-5-(2-thienyl)naphth-3-yl)ethynyl]benzoate | HCID 10597797 | — |
| Reactant | 4-((7,8-Dihydro-8,8-dimethyl-5-(1-pentynyl)naphth-3-yl)ethynyl]benzoic acid | HCID 18314559 | — |
| Product | 4-[(5,6-Dihydro-5,5-dimethyl-8-(2-thienyl)-2-naphthalenyl)ethynyl]benzoic acid | HCID 9843061 | — |
Reaction Steps
Employing the same general procedure as for the preparation of 4-[(7,8-dihydro-8,8-dimethyl-5-(1-pentynyl)naphth-2-yl)ethynyl]benzoic acid (Compound 84), 70.0 mg (0.17 mmol) of ethyl 4-[(7,8-dihydro-8,8-dimethyl-5-(2-thienyl)naphth-3-yl)ethynyl]benzoate (Compound 123) was converted into the title compound (colorless solid) using 17.8 mg (0.42 mmol) of LiOH in H2O.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05998471 |
| Source dataset | uspto-grants-1999_12 |
| ORD ID | ord-e984467c9aba4c80a6ab25aa416be6ea |
| Source note | uspto-grants-1999_12 |