2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene

Base Information

Chemical Name:2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene
CAS No.:1365480-04-1
Molecular Formula:C₆₁H₆₁N
Molecular Weight:808.162
Hs Code.:

Synonyms:2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene

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Chemical Property of 2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene

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Technology Process of 2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene

There total 4 articles about 2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene 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: 68.0%

: 1335134-84-3
diethyl [9-(3,5-di-tert-butylphenyl)-9H-carbazol-3-yl]methylphosphonate

: 1365480-08-5
2-formyl-2',7'-di-tert-butyl-9,9'-spirobifluorene

: 1365480-04-1
2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene

Guidance literature:: With potassium tert-butylate; In tetrahydrofuran; at 0 - 20 ℃; for 1.16667h; Inert atmosphere;
DOI:10.1039/c2jm14869b

Reference yield:

: 393841-81-1
2-bromo-(2',7'-di-tert-butyl)-9,9'-spirobifluorene

: 1365480-04-1
2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C

1.2: 1 h / -78 °C

2.1: potassium tert-butylate / tetrahydrofuran / 1.17 h / 0 - 20 °C / Inert atmosphere

With n-butyllithium; potassium tert-butylate; In tetrahydrofuran; hexane; 2.1: Horner-Wadsworth-Emmons reaction;
DOI:10.1039/c2jm14869b

Reference yield:

: 1207948-49-9
9-(3,5-di-tert-butylphenyl)-9H-carbazole-3-carbaldehyde

: 1365480-04-1
2',7'-di-tert-butyl-2-[9-(3,5-di-tert-butylphenyl)carbazol-3-ylethenyl]spirobifluorene

Guidance literature:: Multi-step reaction with 3 steps

1: sodium tetrahydroborate / ethanol / 3 h / 80 °C

2: iodine / 12 h

3: potassium tert-butylate / tetrahydrofuran / 1.17 h / 0 - 20 °C / Inert atmosphere

With sodium tetrahydroborate; potassium tert-butylate; iodine; In tetrahydrofuran; ethanol; 3: Horner-Wadsworth-Emmons reaction;
DOI:10.1039/c2jm14869b