HuagongsheHuagongshe Chemistry Print Report · For research reference only
Pyridine → ID-8
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Pyridine | HCID 1049 | — |
| Reactant | Sulphobenzoic anhydride | HCID 13795534 | — |
| Reactant | HCID 102516351 | HCID 102516351 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Toluene | HCID 1140 | — |
| Solvent | Sodium Hydroxide | HCID 14798 | — |
| Product | ID-8 | HCID 791637 | 54% |
Reaction Steps
23.6 g of ID-1 were refluxed together with 20.2 g of sulphobenzoic anhydride and 9 ml of pyridine in 200 ml of toluene. The oil formed was taken up in 300 ml of NaOH 1N and again heated to reflux with 200 ml of toluene. After elimination of the solvents by evaporation the precipitate formed was taken up in 500 ml of methanol. The precipitate, a lightly yellow powder, dissolved but recrystallized immediately. The yield was 54%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05905166 |
| Source dataset | uspto-grants-1999_05 |
| ORD ID | ord-0ea0bb87c0f34cea8d9d79d61e1629df |
| Source note | uspto-grants-1999_05 |