HuagongsheHuagongshe Chemistry Print Report · For research reference only
Diethyl acetylenedicarboxylate → HCID 21163773, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Diethyl acetylenedicarboxylate | HCID 69803 | — |
| Reactant | 2-Amino-5-diisopropylamino-1,3,4-thiadiazole | HCID 765378 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 21163773 | HCID 21163773 | — |
Reaction Steps
Following the procedure described in Example 5, 4.9 g of 2-amino-5-[di-(isopropyl)-amino]-1,3,4-thiadiazole were reacted with 4.2 g of diethyl acetylenedicarboxylate in the presence of 100 ml of ethanol. The ethyl 2-[di-(isopropyl)-amino]-7H-1,3,4-thiadiazolo-[3,2-a]-pyrimidin 7-one-5-carboxylate obtained was recrystallized from ethyl acetate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04281120 |
| Source dataset | uspto-grants-1981_07 |
| ORD ID | ord-5423832e92db4afa82a6c9bbed24524c |
| Source note | uspto-grants-1981_07 |