HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2210445Generated: October 31, 2026
Propionic anhydride → HCID 10798543, compound
https://huagongshe.com/reaction/2210445
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Propionic anhydride | HCID 31263 | — |
| Reactant | 4-Amino-3-pyridinesulfonamide | HCID 10975966 | — |
| Solvent | Diethyl Ether | HCID 3283 | — |
| Product | HCID 10798543 | HCID 10798543 | — |
Reaction Steps
A mixture of 1 g of 4-aminopyridine-3-sulfonamide (Preparation 2) and 10 cm3 of propionic anhydride is heated at 150° C. for 8 hours. After cooling, an equal volume of diethyl ether is added and the precipitate obtained is collected on a filter, washed with diethyl ether and dried. It is recrystallized from hot water.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US05459138 |
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| Source dataset | uspto-grants-1995_10 |
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| ORD ID | ord-a935924d49f34fc78f6f23d7d48af723 |
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| Source note | uspto-grants-1995_10 |
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