HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron tribromide → HCID 19805511, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | HCID 19805449 | HCID 19805449 | — |
| Product | HCID 19805511 | HCID 19805511 | 21% |
Reaction Steps
Using an analogous procedure to that described in Examples 48-51 treatment of 1,2-dihydro-2-benzyl-6-methoxy-3H-indazol-3-one (Ex. 174) with boron tribromide gave 1,2-dihydro-2-benzyl-6-hydroxy-3H-indazol-3-one as a solid, m.p. 206-207° C. in 21% yield.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05173496 |
| Source dataset | uspto-grants-1992_12 |
| ORD ID | ord-1af56c37e2344c119ac2f68dec6d86f9 |
| Source note | uspto-grants-1992_12 |