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The invention provides a spirofluorene a...
The present invention relates to compoun...
The present invention relates to compoun...
The invention discloses a synthesis meth...
2-Bromobiphenyl
1-bromo-9H-fluoren-9-one
1-bromospiro-9,9′-bifluorene
| Conditions | Yield |
|---|---|
|
2-Bromobiphenyl; 1-bromo-9H-fluoren-9-one; With iodine; magnesium; In tetrahydrofuran; monoethylene glycol diethyl ether; 1,2-dichloro-ethane; toluene; at 20 - 50 ℃; for 16h;
With hydrogenchloride; acetic acid; In water; at 40 - 100 ℃; for 2h;
|
68% |
|
2-Bromobiphenyl; With magnesium; In tetrahydrofuran; 1,2-dimethoxyethane; 1,2-dichloro-ethane; toluene; at 70 ℃;
1-bromo-9H-fluoren-9-one; In tetrahydrofuran; 1,2-dimethoxyethane; 1,2-dichloro-ethane; toluene; at 20 - 50 ℃; for 16h;
With acetic acid; at 40 - 100 ℃; for 2h;
|
68% |
|
2-Bromobiphenyl; 1-bromo-9H-fluoren-9-one; With magnesium; In tetrahydrofuran; 1,2-dimethoxyethane; 1,2-dichloro-ethane; toluene; at 20 - 70 ℃; for 16h;
With acetic acid; at 40 - 100 ℃; for 2h; Acidic conditions;
|
68% |
C25H17BrO
1-bromospiro-9,9′-bifluorene
| Conditions | Yield |
|---|---|
|
With boron trifluoride; In dichloromethane; at -20 ℃; Temperature;
|
220.9 g |
2-Bromobiphenyl
1-bromo-9H-fluoren-9-one
9-fluorenone
1,2-Diiodobenzene
CAS:28320-31-2
Molecular Formula:C<sub>15</sub>H<sub>13</sub>Br
Molecular Weight:273.17
CAS:3425-89-6
Molecular Formula:C<sub>9</sub>H<sub>10</sub>O<sub>3</sub>
Molecular Weight:166.17
CAS:1402393-56-9
Molecular Formula:C23H31BrO2
Molecular Weight:419.4
