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9,9'-Spirobi[9H-fluorene]-2,2'-diamine
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Name

9,9'-Spirobi[9H-fluorene]-2,2'-diamine

 EINECS N/A
CAS No. 67665-45-6 Density 1.36
PSA 52.04000 LogP 6.35690
Solubility N/A Melting Point N/A
Formula C25H18N2 Boiling Point N/A
Molecular Weight 346.431 Flash Point N/A
Transport Information N/A Appearance N/A
Safety Risk Codes N/A
Molecular Structure Molecular Structure of 67665-45-6 (9,9'-Spirobi[9H-fluorene]-2,2'-diamine) Hazard Symbols N/A
Synonyms

2.2'-Diamino-9.9'-spirobifluoren;(rac)-2,2'-diamino-9,9'-spirobifluorene;9,9'-Spirobi[9H-fluorene]-2,2'-diamine;QC-1273;[9,9']spirobifluorene-2,2'-diyldiamine;[9,9']Spirobifluoren-2,2'-diyldiamin;2,2'-diamino-9,9'-spirobifluorene;2,2'-diamine-9,9'-spirobifluorene;

Article Data 4

9,9'-Spirobi[9H-fluorene]-2,2'-diamine Synthetic route

67665-46-7

(rac)-2,2'-dinitro-9,9'-spirobifluorene

67665-45-6

2,2′-diamino-9,9′-spirobifluorene

Conditions
ConditionsYield
With sodium tetrahydroborate; palladium on activated charcoal In methanol at 20℃; for 12h;76%
With hydrogenchloride; iron
67665-47-8

2,2′-dibromo-9,9′-spirobi[9H-fluorene]

67665-45-6

2,2′-diamino-9,9′-spirobifluorene

Conditions
ConditionsYield
With lithium hexamethyldisilazane; CyJohnPhos; tris-(dibenzylideneacetone)dipalladium(0) In tetrahydrofuran at 65℃; for 15h;45%
1336-21-6

ammonium hydroxide

dinitrospirobifluorene

159-66-0

9,9'-spirobifluorene

7439-89-6

iron

304-59-6

Rochelle's salt

67665-45-6

2,2′-diamino-9,9′-spirobifluorene

Conditions
ConditionsYield
With concentrated aqueous HNO3 In ethanol; water; pyrographite; acetic acid
...Expand
67665-45-6

2,2′-diamino-9,9′-spirobifluorene

3,3'-dibromo-9,9'-spirobifluorene-2,2'-diamine

Conditions
ConditionsYield
With N-Bromosuccinimide In dichloromethane for 1.5h;89.2%
67665-45-6

2,2′-diamino-9,9′-spirobifluorene

790674-48-5

(rac)-2,2'-diiodo-9,9'-spirobifluorene

Conditions
ConditionsYield
Stage #1: 2,2′-diamino-9,9′-spirobifluorene With hydrogenchloride; sodium nitrite In water at 0℃; for 0.75h;
Stage #2: With potassium iodide In water for 16h; Sandmeyer reaction;		72%
624-31-7

4-tolyl iodide

67665-45-6

2,2′-diamino-9,9′-spirobifluorene

2,2'-bis(ditolylamino)-9,9'-spirobifluorene

Conditions
ConditionsYield
With sodium t-butanolate; palladium diacetate; tri-tert-butyl phosphine In toluene Heating / reflux;72%
591-50-4

iodobenzene

67665-45-6

2,2′-diamino-9,9′-spirobifluorene

2,2’-bis(N,N-diphenylamine)-9,9'-spirobifluorene

Conditions
ConditionsYield
With sodium t-butanolate; palladium diacetate; tri-tert-butyl phosphine In toluene Heating / reflux;70%
3972-65-4

1-bromo-4-tert-butylbenzene

67665-45-6

2,2′-diamino-9,9′-spirobifluorene

2,2'-bis[di-(4-t-butylphenyl)amino]-9,9'-spirobifluorene

Conditions
ConditionsYield
With sodium t-butanolate; palladium diacetate; tri-tert-butyl phosphine In toluene for 48h; Heating / reflux;60%
67665-45-6

2,2′-diamino-9,9′-spirobifluorene

67665-47-8

2,2′-dibromo-9,9′-spirobi[9H-fluorene]

Conditions
ConditionsYield
With tert.-butylnitrite; copper(ll) bromide In acetonitrile at 60℃; for 0.5h;58%
1055917-19-5

N-butyl-1,7-di(4-tert-butyl)phenoxylperylene-3,4-dicarboxylic imide-9,10-dicarboxylic anhydride

67665-45-6

2,2′-diamino-9,9′-spirobifluorene

1380497-15-3

C73H57N3O6

Conditions
ConditionsYield
With 1H-imidazole In toluene for 5h; Reflux; Inert atmosphere;37%

9,9'-Spirobi[9H-fluorene]-2,2'-diamine Chemical Properties

Molecular Structure:

Molecular Formula: C25H18N2
Molecular Weight: 346.42
Product Name: 9,9'-Spirobi[9H-fluorene]-2,2'-diamine
Synonyms of 9,9'-Spirobi[9H-fluorene]-2,2'-diamine (CAS NO.67665-45-6): 9,9'-Spriobifluorene-2,2'-diamine
CAS NO: 67665-45-6 
Density: 1.36

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