(E)-4,4-ethylenedioxy-2-pentenyltriphenylphosphonium bromide

Base Information

• Chemical Name: (E)-4,4-ethylenedioxy-2-pentenyltriphenylphosphonium bromide
• CAS No.: 69803-54-9
• Molecular Formula: Br*C₂₅H₂₆O₂P
• Molecular Weight: 469.358
• Mol file: 69803-54-9.mol

Synonyms:

Chemical Property of (E)-4,4-ethylenedioxy-2-pentenyltriphenylphosphonium bromide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E)-4,4-ethylenedioxy-2-pentenyltriphenylphosphonium bromide

There total 4 articles about (E)-4,4-ethylenedioxy-2-pentenyltriphenylphosphonium 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: 83.0%

2-<(E)-3-bromo-1-propenyl>-2-methyl-1,3-dioxolane (69803-53-8) + triphenylphosphine (603-35-0) → (E)-4,4-ethylenedioxy-2-pentenyltriphenylphosphonium bromide (69803-54-9)

Guidance literature:

In diethyl ether; for 1440h; Ambient temperature;

DOI:10.1016/S0040-4020(01)88908-0

Reference yield:

trans-3-penten-2-one (3102-33-8) → (E)-4,4-ethylenedioxy-2-pentenyltriphenylphosphonium bromide (69803-54-9)

Guidance literature:

Multi-step reaction with 3 steps

1: 18.6 g / adipic acid / benzene / 120 h / Heating

2: 70 percent / NBS, sodium bicarbonate, CaO, (BzO)2 / CCl₄ / 0.2 h / Irradiation

3: 83 percent / diethyl ether / 1440 h / Ambient temperature

With N-Bromosuccinimide; Adipic acid; sodium hydrogencarbonate; calcium oxide; dibenzoyl peroxide; In tetrachloromethane; diethyl ether; benzene;

DOI:10.1016/S0040-4020(01)88908-0

Reference yield:

2-methyl-2-((E)-1-propenyl)-1,3-dioxolane (52100-68-2) → (E)-4,4-ethylenedioxy-2-pentenyltriphenylphosphonium bromide (69803-54-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 70 percent / NBS, sodium bicarbonate, CaO, (BzO)2 / CCl₄ / 0.2 h / Irradiation

2: 83 percent / diethyl ether / 1440 h / Ambient temperature

With N-Bromosuccinimide; sodium hydrogencarbonate; calcium oxide; dibenzoyl peroxide; In tetrachloromethane; diethyl ether;

DOI:10.1016/S0040-4020(01)88908-0

upstream raw materials:

2-<(E)-3-bromo-1-propenyl>-2-methyl-1,3-dioxolane

triphenylphosphine

2-methyl-2-((E)-1-propenyl)-1,3-dioxolane

2-<(RS)-2-(2-hydroxyethoxy)propyl>-2-methyl-1,3-dioxolane

Downstream raw materials:

2-<(1E,3Z)-4-phenyl-1,3-butadienyl>-2-methyl-1,3-dioxolane

2-<(1E,3E)-4-phenyl-1,3-butadienyl>-2-methyl-1,3-dioxolane

2-methyl-2-<(1E,3Z)-4-(4-nitrophenyl)-1,3-butadienyl>-1,3-dioxolane

2-methyl-2-<(1E,3E)-4-(4-nitrophenyl)-1,3-butadienyl>-1,3-dioxolane