4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde

Base Information

Chemical Name:4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde
CAS No.:1185882-64-7
Molecular Formula:C₆₂H₄₅NO
Molecular Weight:820.045
Hs Code.:

Synonyms:4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde

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Chemical Property of 4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde

Chemical Property:

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Technology Process of 4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde

There total 6 articles about 4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 50.0%

: 500717-23-7
N-(9,9-dimethyl-9H-fluoren- 2-yl)-9,9-dimethyl-9H-fluoren-2-amine

: 1185882-63-6
4-(2-bromo-9,9-spirobifluoren-7-yl)benzaldehyde

: 1185882-64-7
4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde

Guidance literature:: With tri-tert-butyl phosphine; palladium diacetate; caesium carbonate; In toluene; at 130 ℃; Inert atmosphere;
DOI:10.1016/j.tet.2009.05.028

Reference yield: 50.0%

cesium carbonate (Cs₂CO₃): cesium carbonate (Cs₂CO₃)

: 500717-23-7
N-(9,9-dimethyl-9H-fluoren- 2-yl)-9,9-dimethyl-9H-fluoren-2-amine

: 1185882-63-6
4-(2-bromo-9,9-spirobifluoren-7-yl)benzaldehyde

: palladium acetate [Pd(OAc)2]

: 1185882-64-7
4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde

Guidance literature:: With ammonium chloride; In magnesium sulfate; toluene;

Reference yield:

: 171408-84-7
2,7-dibromo-9,9'-spirobi[fluorene]

: 1185882-64-7
4-(2-(bis(9,9-dimethyl-9H-fluoren-7-yl)amino)-9,9-spirobifluoren-7-yl)benzaldehyde

Guidance literature:: Multi-step reaction with 3 steps

1.1: n-butyllithium / hexane / 0.5 h / -78 °C / Inert atmosphere

1.2: 8 h / 20 °C / Inert atmosphere

2.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate / tetrahydrofuran; water / Inert atmosphere; Reflux

3.1: tri-tert-butyl phosphine; palladium diacetate; caesium carbonate / toluene / 130 °C / Inert atmosphere

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; tri-tert-butyl phosphine; palladium diacetate; potassium carbonate; caesium carbonate; In tetrahydrofuran; hexane; water; toluene; 2.1: Suzuki coupling;
DOI:10.1016/j.tet.2009.05.028