HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Butynedioic acid → HCID 53822751, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Butynedioic acid | HCID 371 | — |
| Reactant | Urea, 1,3-bis(p-methoxyphenyl)-2-thio- | HCID 706970 | — |
| Product | HCID 53822751 | HCID 53822751 | 65.7% |
Reaction Steps
Prepared by the method described in Example 1 from N,N'-bis(4-methoxyphenyl)thiourea (11.5 g, 40 mmoles) and acetylenedicarboxylic acid (4.6 g, 40 mmoles). Recrystallization from methanol gave the product (10.1 g), mp 184°-187° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04775677 |
| Source dataset | uspto-grants-1988_10 |
| ORD ID | ord-a84ec412d70841bf96b1127485038f9b |
| Source note | uspto-grants-1988_10 |