(E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide

Base Information

• Chemical Name: (E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide
• CAS No.: 121596-32-5
• Molecular Formula: Br*C₃₀H₂₈P
• Molecular Weight: 499.43
• Mol file: 121596-32-5.mol

Synonyms:(E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide

Chemical Property of (E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide

There total 3 articles about (E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide 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:

1-vinyl-1-tetralol (6244-50-4) → (E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide (121596-32-5)

Guidance literature:

Multi-step reaction with 2 steps

1: aq. hydrobromic acid / CH₂Cl₂ / 0.5 h / 0 °C

2: aq. hydrobromic acid / benzene / 12 h / Ambient temperature

With hydrogen bromide; In dichloromethane; benzene;

DOI:10.1021/ja00196a004

Reference yield:

3,4-dihydronaphthalene-1(2H)-one (529-34-0) → (E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide (121596-32-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 99 percent / benzene; diethyl ether / 15 h

2: aq. hydrobromic acid / CH₂Cl₂ / 0.5 h / 0 °C

3: aq. hydrobromic acid / benzene / 12 h / Ambient temperature

With hydrogen bromide; In diethyl ether; dichloromethane; benzene;

DOI:10.1021/ja00196a004

Reference yield:

(E)-1-(2-bromoethylidene)-1,2,3,4-tetrahydronaphthalene (137847-56-4) + triphenylphosphine (603-35-0) → (E)-<2-(1,2,3,4-tetrahydro-1-naphtylidenyl)ethyl>triphenylphosphonium bromide (121596-32-5)

Guidance literature:

With hydrogen bromide; In benzene; for 12h; Yield given; Ambient temperature;

DOI:10.1021/ja00196a004

upstream raw materials:

(E)-1-(2-bromoethylidene)-1,2,3,4-tetrahydronaphthalene

triphenylphosphine

1-vinyl-1-tetralol

3,4-dihydronaphthalene-1(2H)-one