HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Chlorobenzotriazole → 3-Chloro-2-ethyl-7-(3-pyridyl)pyrazolo[1,5-a]pyrimidine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Chlorobenzotriazole | HCID 88761 | — |
| Reactant | 2-Ethyl-7-(3-pyridyl)pyrazolo[1,5-a]pyrimidine | HCID 12766255 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 3-Chloro-2-ethyl-7-(3-pyridyl)pyrazolo[1,5-a]pyrimidine | HCID 12766256 | — |
Reaction Steps
As for Example 34, 1.95 g. of 2-ethyl-7-(3-pyridyl)pyrazolo[1,5-a]pyrimidine is reacted with 1.47 g. of N-chlorobenzotriazole in 50 ml. of dichloromethane to give the product of the example, m.p. 132°-133° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04281000 |
| Source dataset | uspto-grants-1981_07 |
| ORD ID | ord-057d6c928c00422d9754463cd067fe2b |
| Source note | uspto-grants-1981_07 |