HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methanesulfonic Acid → HCID 12773948, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methanesulfonic Acid | HCID 6395 | — |
| Reactant | Thiobarbituric acid | HCID 2723628 | — |
| Reactant | 3-Formyl-4-hydroxybenzonitrile | HCID 11789350 | — |
| Solvent | 1-Butanol | HCID 263 | — |
| Product | HCID 12773948 | HCID 12773948 | — |
Reaction Steps
To n-butanol (100 ml.) add 5-cyano-salicylaldehyde (6 g.), 2-thiobarbituric acid (6 g.) and methanesulfonic acid (10 ml.) With stirring, heat the mixture to reflux for 11/2 hours. Cool, filter, and wash the solid with isopropanol and ether to yield 7-cyano-(1H,3H,5H)-(1)-benzopyrano-(2,3-d)-pyrimidine-4-one-2-thione.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04297355 |
| Source dataset | uspto-grants-1981_10 |
| ORD ID | ord-6443daa7b40a4185803feb655054d997 |
| Source note | uspto-grants-1981_10 |