1,2-Bis(triphenylphosphoniomethyl)naphthalin-dibromid

Base Information

• Chemical Name: 1,2-Bis(triphenylphosphoniomethyl)naphthalin-dibromid
• CAS No.: 85982-10-1
• Molecular Formula: 2Br*C₄₈H₄₀P₂
• Molecular Weight: 838.601
• Mol file: 85982-10-1.mol

Synonyms:

Chemical Property of 1,2-Bis(triphenylphosphoniomethyl)naphthalin-dibromid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2-Bis(triphenylphosphoniomethyl)naphthalin-dibromid

There total 2 articles about 1,2-Bis(triphenylphosphoniomethyl)naphthalin-dibromid 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:

dimethyl-1,2 naphtalene (573-98-8) → 1,2-Bis(triphenylphosphoniomethyl)naphthalin-dibromid (85982-10-1)

Guidance literature:

Multi-step reaction with 2 steps

1: NBS, dibenzoyl peroxide / CCl₄ / 6 h / Heating

2: dimethylformamide / 8 h / Heating

With N-Bromosuccinimide; dibenzoyl peroxide; In tetrachloromethane; N,N-dimethyl-formamide;

DOI:10.1055/s-1983-30401

Reference yield:

1,2-bis(bromomethyl)naphthalene (59882-98-3) + triphenylphosphine (603-35-0) → 1,2-Bis(triphenylphosphoniomethyl)naphthalin-dibromid (85982-10-1)

Guidance literature:

In N,N-dimethyl-formamide; for 8h; Heating;

DOI:10.1055/s-1983-30401

Reference yield: 28.0%

1,2-Bis(triphenylphosphoniomethyl)naphthalin-dibromid (85982-10-1) + 9,10-phenanthrenequinone (84-11-7) → 1,2:3,4:5,6-tribenzanthracene (215-26-9)

Guidance literature:

With lithium hydroxide; In dichloromethane; for 96h; Ambient temperature;

DOI:10.1055/s-1983-30401

upstream raw materials:

1,2-bis(bromomethyl)naphthalene

triphenylphosphine

dimethyl-1,2 naphtalene

Downstream raw materials:

1,2:3,4:5,6-tribenzanthracene

naphtho[1,2-k]fluoranthene

Refernces

• 1、 Meissner, Ute E.,Bravo, Rodolfo,Staab, Heinz A.. "Conjugation in Macrocyclic Systems, XXXI. - Isomeric Naphthoannulenes with 1,2- and 2,3-Annellation". . p. 687 - 694. Retrieved 2007/10/02.