HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → Pyridaben
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | Benzene, 1-(chloromethyl)-4-(1,1-dimethylethyl)- | HCID 88198 | — |
| Reactant | 4-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinone | HCID 13469242 | — |
| Solvent | Benzene | HCID 241 | — |
| Product | Pyridaben | HCID 91754 | 60% |
Reaction Steps
A mixture of 1.5 g of 2-tert.-butyl-4-chloro-5-mercapto-3(2H)-pyridazinone, 200 ml of benzene, 1.5 g of anhydrous potassium carbonate and 1.4 g of 4-tert.-butyl-benzyl chloride was subjected to reaction at a reflux temperature for 6 hours. Then, procedure similar to that in Synthesis Example 5 was conducted to obtain white crystals (yield: 60%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04877787 |
| Source dataset | uspto-grants-1989_10 |
| ORD ID | ord-72b7b70c57be4548bf3c02d55f439e13 |
| Source note | uspto-grants-1989_10 |