HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 178487367, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | HCID 178487377 | HCID 178487377 | — |
| Product | HCID 178487367 | HCID 178487367 | 25% |
Reaction Steps
3-Chloro-7-methoxy-1H-pyrazolo[3,4-b]quinoline was prepared from 7-methoxy-1H-pyrazolo[3,4-b]quinolin-3-amine (Example 3d) by diazotization in hydrochloric acid. The product was recrystallized from ethanol and then from acetic acid and obtained in about 25% yield as a brown solid, m.p. 296°-297° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04920128 |
| Source dataset | uspto-grants-1990_04 |
| ORD ID | ord-bc9824871a7a42d597fbceeb32be15cf |
| Source note | uspto-grants-1990_04 |