HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Thiophenecarboxamide, N,N-dimethyl- → isopropyl 5-(2-thenoyl)-1,2-dihydro-6-methyl-3H-pyrrolo[1,2-a]pyrrole-1-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Thiophenecarboxamide, N,N-dimethyl- | HCID 141583 | — |
| Reactant | isopropyl 1,2-dihydro-6-methyl-3H-pyrrolo[1,2-a]pyrrole-1-carboxylate | HCID 12795099 | — |
| Product | isopropyl 5-(2-thenoyl)-1,2-dihydro-6-methyl-3H-pyrrolo[1,2-a]pyrrole-1-carboxylate | HCID 20356136 | — |
Reaction Steps
In accordance with the method of Example 9, isopropyl 1,2-dihydro-6-methyl-3H-pyrrolo[1,2-a]pyrrole-1-carboxylate is condensed with N,N-dimethylthiophene-2-carboxamide to produce isopropyl 5-(2-thenoyl)-1,2-dihydro-6-methyl-3H-pyrrolo[1,2-a]pyrrole-1-carboxylate (XI, R = CH3, R1 = H, R2 = iC3H7, X = S), having a melting point of 102.5° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04087539 |
| Source dataset | uspto-grants-1978_05 |
| ORD ID | ord-33eb5566e59742ecb76b649a945a4ac8 |
| Source note | uspto-grants-1978_05 |