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Product Details
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Description |
4-Bromo-9,9'-spirobi[9H-fluorene] is a synthetic compound that belongs to the class of spirocyclic compounds. 4-bromo-9, 9'-Spirobi[9H-fluorene is a kind of fluorene which is a polycyclic aromatic hydrocarbon. It can be used as the intermediate of organic light-emitting diodes (OLEDs) |
Isomeric SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3C24C5=C(C6=CC=CC=C46)C(=CC=C5)Br
InChIKey: GQXFSXMUBDPXBG-UHFFFAOYSA-N
InChI: InChI=1S/C25H15Br/c26-23-15-7-14-22-24(23)18-10-3-6-13-21(18)25(22)19-11-4-1-8-16(19)17-9-2-5-12-20(17)25/h1-15H
A high triplet energy host (SPPO11) with...
4-Bromo-9,9′-spirobifluorene is facilely...
S2 was prepared as a white solid (1.64 g; yield = 79.5%) in a procedure that was analogous to that used for S1, with 4-bromo-9,9′-spirobi[9H-fluorene] (2.0 g, 5.0 mmol), copper iodide …
9-fluorenone
2,2'-dibromobiphenyl
4-bromo-9,9’-spirobi[9H-fluorene]
| Conditions | Yield |
|---|---|
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2,2'-dibromobiphenyl; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h; Inert atmosphere;
9-fluorenone; In tetrahydrofuran; hexane; at -78 - 20 ℃;
With hydrogenchloride; acetic acid; In tetrahydrofuran; hexane; water; for 2h; Reflux;
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98% |
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2,2'-dibromobiphenyl; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h; Inert atmosphere;
9-fluorenone; In tetrahydrofuran; at -78 ℃; for 0.5h; Inert atmosphere;
With acetic acid; In water; for 2h; Reflux;
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98% |
|
2,2'-dibromobiphenyl; With n-butyllithium; In tetrahydrofuran; n-heptane; at -78 ℃; for 1h;
9-fluorenone; In tetrahydrofuran; n-heptane; at -78 - 20 ℃;
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90% |
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2,2'-dibromobiphenyl; With n-butyllithium; In tetrahydrofuran; at -78 ℃;
9-fluorenone; at -78 - 20 ℃;
With hydrogenchloride; acetic acid; In water; at 70 ℃;
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75% |
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2,2'-dibromobiphenyl; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 0.5h;
9-fluorenone; In tetrahydrofuran; at -78 - 20 ℃; Inert atmosphere;
With hydrogenchloride; In water; acetic acid; for 12h; Reflux;
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50% |
9-(2’-bromobiphenyl-2-yl)-9H-fluoren-9-ol
4-bromo-9,9’-spirobi[9H-fluorene]
| Conditions | Yield |
|---|---|
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With hydrogenchloride; acetic acid; In water; for 12h; Reflux;
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86% |
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With hydrogenchloride; acetic acid; In water; for 2h; Inert atmosphere; Reflux;
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83% |
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With hydrogenchloride; acetic acid; In water; for 12h; Reflux;
|
|
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With toluene-4-sulfonic acid; acetic acid; for 2h; Concentration; Inert atmosphere; Reflux;
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175 g |
9-(2’-bromobiphenyl-2-yl)-9H-fluoren-9-ol
9-fluorenone
2,2'-dibromobiphenyl
2-Bromobiphenyl
2-(9,9'-spirobi[fluoren]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
C31H18BrCl
N,N,N',N'-tetraphenylspiro(cyclopenta[def]fluorene-1,5,9',9''-bifluorene)-2',7'-diamine
4-phenyl-9,9'-spirobi[fluorene]
CAS:28320-31-2
Molecular Formula:C<sub>15</sub>H<sub>13</sub>Br
Molecular Weight:273.17
