HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron tribromide → 3,7-Dihydroxy-3-trifluromethyl-phthalide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | 3-Hydroxy-7-methoxy-3-trifluoromethyl-phthalide | HCID 19927471 | — |
| Product | 3,7-Dihydroxy-3-trifluromethyl-phthalide | HCID 19927469 | — |
Reaction Steps
The title compound can be prepared analogously to the above Example (133) from 3-hydroxy-7-methoxy-3-trifluoromethyl-phthalide (see Example 133 ) and boron tribromide; m.p. 128°-129° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05428002 |
| Source dataset | uspto-grants-1995_06 |
| ORD ID | ord-fb0a297d47fb4ba18ad17e151d19c5dc |
| Source note | uspto-grants-1995_06 |