2,7-Dibromo-9,9,10,10-tetrafluoro-9,10-dihydrophenanthrene → 9,10-Difluoro-2,7-dihexylphenanthrene
Reaction equation
[F:1][C:2]1[C:3]2[C:8]([C:9]3[CH:10]=[CH:11][C:12](Br)=[CH:13][C:14]=3[C:15]=1[F:16])=[CH:7][CH:6]=[C:5](Br)[CH:4]=2.F[C:20]1(F)[C:33](F)(F)[C:32]2C=C(Br)C=CC=2C2[C:21]1=[CH:22][C:23](Br)=CC=2>>[F:1][C:2]1[C:3]2[C:8]([C:9]3[CH:10]=[CH:11][C:12]([CH2:4][CH2:3][CH2:2][CH2:15][CH2:14][CH3:9])=[CH:13][C:14]=3[C:15]=1[F:16])=[CH:7][CH:6]=[C:5]([CH2:32][CH2:33][CH2:20][CH2:21][CH2:22][CH3:23])[CH:4]=2Participants
3
Procedure
In analogy to Examples 1 and 2, 9,10-difluoro-2,7-dibromophenanthrene and 9,9,10,10-tetrafluoro-2,7-dibromo-9,10-dihydrophenanthrene can be reacted with other Grignard reagents to give symmetrically substituted compounds of the formula (Ia1) and (Ia2).
Workup
- customto give symmetrically substituted compounds of the formula (Ia1) and (Ia2)
Sources & evidence
- ORD record
- ord-4d418d94ff904ba4b69e32d0a0322e59
- Source dataset
- uspto-grants-1999_03
- Patent number
- US05888422
Reaction notes
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