Boron tribromide → 3,7-Dihydroxy-3-trifluromethyl-phthalide
Reaktionsgleichung
[OH:1][C:2]1([C:14]([F:17])([F:16])[F:15])[C:11]2[C:6](=[C:7]([O:12]C)[CH:8]=[CH:9][CH:10]=2)[C:4](=[O:5])[O:3]1.B(Br)(Br)Br>>[OH:1][C:2]1([C:14]([F:16])([F:15])[F:17])[C:11]2[C:6](=[C:7]([OH:12])[CH:8]=[CH:9][CH:10]=2)[C:4](=[O:5])[O:3]1Komponenten
3
Versuchsvorschrift
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°-1290° C.
Quellen und Nachweise
- ORD-Eintrag
- ord-c19765cbb93441c2b5c5cda36b5ba81a
- Quelldatensatz
- uspto-grants-1994_07
- Patentnummer
- US05332717
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