(E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester

Base Information

• Chemical Name: (E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester
• CAS No.: 4895-61-8
• Molecular Formula: C₃₀H₂₅O₃P
• Molecular Weight: 464.5
• Mol file: 4895-61-8.mol

Synonyms:(E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester

Chemical Property of (E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester

There total 4 articles about (E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester 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: 78.0%

benzaldehyde (100-52-7) + <3-(Methoxycarbonyl)-2-oxo-3-(triphenylphosphoranyliden)propyl>triphenylphosphonium-chlorid → (E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester (4895-61-8)

Guidance literature:

With triethylamine; In benzene; for 12h; Heating;

Reference yield:

<2,4-Dioxo-3-(triphenylphosphoranyliden)cyclobutyl>triphenylphosphonium-chlorid (62085-94-3) → (E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester (4895-61-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 89 percent / conc. HCl / 2 h / Heating

2: 78 percent / Et₃N / benzene / 12 h / Heating

With hydrogenchloride; triethylamine; In benzene;

Reference yield:

cinnamoyl chloride (102-92-1,17082-09-6) + methyl (triphenylphosphoranylidene)acetate (21204-67-1,2605-67-6) → Triphenylphosphin-cinnamoyl-methoxycarbonyl-methylen (4895-61-8)

Guidance literature:

In benzene;

upstream raw materials:

cinnamoyl chloride

methyl (triphenylphosphoranylidene)acetate

benzaldehyde

<2,4-Dioxo-3-(triphenylphosphoranyliden)cyclobutyl>triphenylphosphonium-chlorid

Downstream raw materials:

methyl 3-oxo-5-phenyl-4-pentenoate

4-styrylpropiolic acid