HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Fluorobenzoyl chloride → 4-Fluoro-N-[3-(4-isopropylphenyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl]benzamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Fluorobenzoyl chloride | HCID 67879 | — |
| Reactant | 3-(4-Isopropylphenyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-amine | HCID 10519978 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 4-Fluoro-N-[3-(4-isopropylphenyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl]benzamide | HCID 21961316 | 91% |
Reaction Steps
By using (−)-3-(4-isopropylphenyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-amine and 4-fluorobenzoyl chloride, the title compound was synthesized according to Example 1b. Yield: 91%. Melting point: 253-254° C. [α]D=−77.4° (c=0.500, methanol) 1H-NMR (CDCl3) δ: 1.03 (3H, s), 1.21 (6H, d, J=7.0 Hz), 1.51 (3H, s), 1.81 (3H, s), 2.18 (6H, s), 2.85 (1H, septet, J=7.0 Hz), 4.13 (1H, s), 6.8-7.4 (7H, m), 7.86-7.93 (2H, m).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06479536B1 |
| Source dataset | uspto-grants-2002_11 |
| ORD ID | ord-7a7c06915415432b990389fca734c304 |
| Source note | uspto-grants-2002_11 |