HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 13061858, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Methyl 3-methoxy-4,5-dimethyl-2-thiophenecarboxylate | HCID 14154178 | — |
| Solvent | Sodium Hydroxide | HCID 14798 | — |
| Product | HCID 13061858 | HCID 13061858 | — |
Reaction Steps
Methyl 4,5-dimethyl-3-methoxythiophene-2-carboxylate (34 g) was heated under reflux in 1M sodium hydroxide solution (500 ml) for 1 hour. After cooling the mixture was acidified with concentrated hydrochloric acid to pH4. The solid was filtered, washed with water and dried, m.p. 142°-143° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05021449 |
| Source dataset | uspto-grants-1991_06 |
| ORD ID | ord-59d63cedf5744082af887b37b0f2b888 |
| Source note | uspto-grants-1991_06 |