2,7-Dibromo-9-fluorenone → 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-fluoren-9-one

HRID 79646

Reaction equation

HRID 79646 reaction equation
[CH3:1][C:2]1([CH3:32])[C:6]([CH3:8])([CH3:7])[O:5][B:4]([C:9]2[CH:22]=[CH:21][C:20]3[C:19]4[C:14](=[CH:15][C:16]([B:23]5[O:27][C:26]([CH3:29])([CH3:28])[C:25]([CH3:31])([CH3:30])[O:24]5)=[CH:17][CH:18]=4)[CH2:13]C[C:11]=3[CH:10]=2)[O:3]1.BrC1C=CC2C3C(=CC(Br)=CC=3)C(=[O:48])C=2C=1>>[CH3:29][C:26]1([CH3:28])[C:25]([CH3:31])([CH3:30])[O:24][B:23]([C:16]2[CH:17]=[CH:18][C:19]3[C:20]4[C:21](=[CH:22][C:9]([B:4]5[O:5][C:6]([CH3:8])([CH3:7])[C:2]([CH3:1])([CH3:32])[O:3]5)=[CH:10][CH:11]=4)[C:13](=[O:48])[C:14]=3[CH:15]=2)[O:27]1

Participants

3

Reactant 2

HCID 2599222,7-Dibromo-9-fluorenoneHCID 587894764,4,5,5-Tetramethyl-2-[7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-9,10-dihydro-phenanthren-2-yl]-[1,3,2]dioxaborolane

Product 1

HCID 592645152,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-fluoren-9-one

Procedure

Followed the procedure used to prepare 4,4,5,5-tetramethyl-2-[7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-9,10-dihydro-phenanthren-2-yl]-[1,3,2]dioxaborolane, except that 2,7-dibromo-9-fluorenone was used instead of 2,7-dibromo-9,10-dihydro-phenanthrene.

Sources & evidence

ORD record
ord-1f5a1d1eeba04715ab41f3df09fb7deb
Source dataset
uspto-grants-2014_09
Patent number
US08841278B2

Linked notes

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