[(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ⁵-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; bromide

Base Information

• Chemical Name: [(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ⁵-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; bromide
• CAS No.: 77085-14-4
• Molecular Formula: Br*C₄₈H₄₇O₄P₂
• Molecular Weight: 829.75
• Mol file: 77085-14-4.mol

Synonyms:[(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ⁵-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; bromide

Chemical Property of [(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ⁵-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; bromide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ⁵-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; bromide

There total 2 articles about [(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ⁵-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; 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: 69.0%

[(2E)-4-ethoxy-4-oxo-2-buten-1-yl]triphenylphosphonium bromide (33398-36-6) → [(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ5-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; bromide (77085-14-4)

Guidance literature:

With sodium hydroxide; In dichloromethane;

DOI:10.1016/S0040-4039(00)93688-8

Reference yield: 20.0%

[(2E)-4-ethoxy-4-oxo-2-buten-1-yl]triphenylphosphonium bromide (33398-36-6) → ethyl 4-(triphenylphosphoranylidene)-(2E)-2-butenoate (33398-28-6,33398-30-0) + [(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ5-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; bromide (77085-14-4)

Guidance literature:

With sodium hydroxide; In dichloromethane;

DOI:10.1016/S0040-4039(00)93688-8

Reference yield:

[(E)-3-Ethoxycarbonyl-2-ethoxycarbonylmethyl-5-(triphenyl-λ5-phosphanylidene)-pent-3-enyl]-triphenyl-phosphonium; bromide (77085-14-4) → 3-(Diphenyl-phosphinoylmethyl)-2-eth-(E)-ylidene-pentanedioic acid (77085-12-2) + Triphenylphosphine oxide (791-28-6)

Guidance literature:

With sodium hydroxide; In ethanol; for 15h; Heating;

DOI:10.1016/S0040-4039(00)93688-8

upstream raw materials:

[(2E)-4-ethoxy-4-oxo-2-buten-1-yl]triphenylphosphonium bromide

Downstream raw materials:

C₄₈H₄₈O₄P₂⁽²⁺⁾*2Br^(1-)

3-(Diphenyl-phosphinoylmethyl)-2-eth-(E)-ylidene-pentanedioic acid

Triphenylphosphine oxide

((E)-2-Carboxymethyl-3-ethoxycarbonyl-pent-3-enyl)-triphenyl-phosphonium; bromide