HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 178473974, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 2-Pyrazinecarboxylic acid | HCID 1047 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | 1-Acetylindolin-2-one | HCID 323719 | — |
| Reactant | O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate | HCID 2733207 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 178473974 | HCID 178473974 | — |
Reaction Steps
4.38 g 1-acetyl-2-indolinone, 3.41 g pyrazine-2-carboxylic acid, 8.83 g TBTU, 4.21 g HOBT-hydrate and 21.8 ml ethyldiisopropylamine are stirred in 70 ml DMF for 15 hours at ambient temperature. The mixture is poured onto 400 ml ice water and 10 ml of conc. hydrochloric acid and stirred for 1 hour. The precipitate is suction filtered, washed with water, stirred with methanol, suction filtered again, washed with methanol and dried at 100° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07148249B2 |
| Source dataset | uspto-grants-2006_12 |
| ORD ID | ord-7a56fe76223341628f39ab52bed4f6ba |
| Source note | uspto-grants-2006_12 |