1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene

Base Information

Chemical Name:1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene
CAS No.:1384864-38-3
Molecular Formula:C₃₁H₂₈Br₂
Molecular Weight:560.371
Hs Code.:

Synonyms:1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene

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Chemical Property of 1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene

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Technology Process of 1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene

There total 3 articles about 1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene 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: 80.0%

: 1384864-37-2
11,11-diethyl-5,11-dihydro-3,3-dimethyl-6,12-diphenyl-1H-fluoreno[2,3-e][1,3]dioxepine

: 1384864-38-3
1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene

Guidance literature:: With sulfuric acid; tetrabutylammomium bromide; hydrogen bromide; In chloroform; water; at 60 ℃; for 72h;
DOI:10.3987/COM-12-12427

Reference yield:

: 1384864-33-8
5,11-dihydro-3,3-dimethyl-6,12-diphenyl-1H-fluoreno[2,3-e][1,3]dioxepine

: 1384864-38-3
1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene

Guidance literature:: Multi-step reaction with 2 steps

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

1.2: 1 h / -78 - 20 °C / Inert atmosphere

2.1: sulfuric acid; tetrabutylammomium bromide; hydrogen bromide / chloroform; water / 72 h / 60 °C

With n-butyllithium; sulfuric acid; tetrabutylammomium bromide; hydrogen bromide; In tetrahydrofuran; chloroform; water;
DOI:10.3987/COM-12-12427

Reference yield:

: 1384864-32-7
3,3-dimethyl-6,12-diphenyl-1H-fluoreno[2,3-e][1,3]dioxepin-11(5H)-one

: 1384864-38-3
1,4-diphenyl-2,3-bis(bromomethyl)-9,9-diethylfluorene

Guidance literature:: Multi-step reaction with 3 steps

1.1: hydrazine hydrate; potassium hydroxide / diethylene glycol / 20 - 180 °C

2.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere

2.2: 1 h / -78 - 20 °C / Inert atmosphere

3.1: sulfuric acid; tetrabutylammomium bromide; hydrogen bromide / chloroform; water / 72 h / 60 °C

With n-butyllithium; sulfuric acid; tetrabutylammomium bromide; hydrogen bromide; hydrazine hydrate; potassium hydroxide; In tetrahydrofuran; chloroform; water; diethylene glycol; 1.1: Wolff-Kishner reduction;
DOI:10.3987/COM-12-12427