HuagongsheHuagongshe Chemistry Print Report · For research reference only
Benzocaine → HCID 123769555, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Benzocaine | HCID 2337 | — |
| Reactant | Diisopropylcarbodiimide | HCID 12734 | — |
| Reactant | 4-{[tert-Butyl(diphenyl)silyl]oxy}-2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]butanoic acid | HCID 123912396 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 123769555 | HCID 123769555 | — |
Reaction Steps
565 mg (940 μmol) of 4-{[tert-butyl(diphenyl)silyl]oxy}-2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]butanoic acid (racemate), 155 mg (940 μmol) of ethyl 4-aminobenzoate, 134 mg (940 μmol) of Oxima and 146 μl (940 μmol) of DIC in 19 ml of dimethylformamide were reacted according to General Method 5B. The crude product was purified by flash chromatography (120 g cartridge, 85 ml/min, cyclohexane/ethyl acetate gradient). Yield: 268 mg (38% of theory)
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09434690B2 |
| Source dataset | uspto-grants-2016_09 |
| ORD ID | ord-f6f9939b854d48d2b32ebb7d2acb3c4c |
| Source note | uspto-grants-2016_09 |