(E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde

Base Information

Chemical Name:(E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde
CAS No.:1421622-09-4
Molecular Formula:C₃₂H₄₃BO₇
Molecular Weight:550.5
Hs Code.:

Synonyms:(E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde

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Chemical Property of (E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde

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Technology Process of (E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde

There total 1 articles about (E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde 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:

: 180690-29-3
2,7-dibromo-9,9-bis(2-(2-methoxyethoxy)ethyl)-9H-fluorene

: 1421622-09-4
(E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde

Guidance literature:: Multi-step reaction with 2 steps

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

1.2: 2 h / -78 - 20 °C / Inert atmosphere

2.1: diisopropylamine; bis(tri-t-butylphosphine)palladium⁽⁰⁾ / toluene / 24 h / 80 °C

With n-butyllithium; bis(tri-t-butylphosphine)palladium⁽⁰⁾; diisopropylamine; In tetrahydrofuran; hexane; toluene; 2.1: |Heck Reaction;
DOI:10.1039/c2nj40577f

Reference yield: 32.0%

: 1421622-09-4
(E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde

: 1421622-08-3
7-bromo-N,N-bis(4-(2-(2-methoxyethoxy)ethoxy)phenyl)-9,9-bis(2-(2-methoxy-ethoxy)ethyl)-9H-fluorene-2-amine

: 1421622-10-7
(E)-7-(2-(7-(bis(4-(2-(2-methoxyethoxy)ethoxy)phenyl)-amino)-9,9-bis(2-(2-methoxyethoxy)ethyl)-9H-fluoren-2-yl)vinyl)-9,9-bis(2-(2-methoxyethoxy)ethyl)-9H-fluorene-2-carbaldehyde

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In tetrahydrofuran; water; at 80 ℃; for 24h;
DOI:10.1039/c2nj40577f

Reference yield:

: 1421622-09-4
(E)-9,9-bis(2-(2-methoxyethoxy)ethyl)-7-(2-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)vinyl)-9H-fluorene-2-carbaldehyde

: 1421622-08-3
7-bromo-N,N-bis(4-(2-(2-methoxyethoxy)ethoxy)phenyl)-9,9-bis(2-(2-methoxy-ethoxy)ethyl)-9H-fluorene-2-amine

: 3-(7-((E)-2-(7-(bis(4-(2-(2-methoxyethoxy)ethoxy)phenyl)-amino)-9,9-bis(2-(2-methoxyethoxy)ethyl)-9H-fluoren-2-yl)vinyl)-9,9-bis(2-(2-methoxyethoxy)ethyl)-9H-fluoren-2-yl)-2-cyanoacrylic acid

Guidance literature:: Multi-step reaction with 2 steps

1.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate / tetrahydrofuran; water / 24 h / 80 °C

2.1: piperidine / tetrahydrofuran; acetonitrile / 24 h / 80 °C / Inert atmosphere

2.2: 3 h / 20 °C / Inert atmosphere

With piperidine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In tetrahydrofuran; water; acetonitrile; 1.1: |Suzuki Coupling / 2.1: |Knoevenagel Condensation;
DOI:10.1039/c2nj40577f