ethyl 5,5-diphenylpenta-2,3,4-trienoate

Base Information

• Chemical Name: ethyl 5,5-diphenylpenta-2,3,4-trienoate
• CAS No.: 1119249-36-3
• Molecular Formula: C₁₉H₁₆O₂
• Molecular Weight: 276.335
• Mol file: 1119249-36-3.mol

Synonyms:ethyl 5,5-diphenylpenta-2,3,4-trienoate

Chemical Property of ethyl 5,5-diphenylpenta-2,3,4-trienoate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of ethyl 5,5-diphenylpenta-2,3,4-trienoate

There total 4 articles about ethyl 5,5-diphenylpenta-2,3,4-trienoate 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:

benzophenone (119-61-9) → ethyl 5,5-diphenylpenta-2,3,4-trienoate (1119249-36-3)

Guidance literature:

Multi-step reaction with 5 steps

1.1: magnesium / diethyl ether / 0.75 h / 10 - 15 °C / Inert atmosphere

1.2: 10 - 15 °C / Inert atmosphere

2.1: acetic acid; bromine / 0.08 h / 70 °C

3.1: bromine / chloroform / 6 h / Irradiation

4.1: benzene / 6 h / Reflux

5.1: triethylamine / acetonitrile; toluene / 0 °C

With bromine; magnesium; acetic acid; triethylamine; In diethyl ether; chloroform; toluene; acetonitrile; benzene;

DOI:10.1002/adsc.201301000

Reference yield:

1,1-Diphenyl-propan-1-ol (5180-33-6) → ethyl 5,5-diphenylpenta-2,3,4-trienoate (1119249-36-3)

Guidance literature:

Multi-step reaction with 4 steps

1: acetic acid; bromine / 0.08 h / 70 °C

2: bromine / chloroform / 6 h / Irradiation

3: benzene / 6 h / Reflux

4: triethylamine / acetonitrile; toluene / 0 °C

With bromine; acetic acid; triethylamine; In chloroform; toluene; acetonitrile; benzene;

DOI:10.1002/adsc.201301000

Reference yield:

2-bromo-1,1-diphenyl-propan-1-ol (52072-24-9) → ethyl 5,5-diphenylpenta-2,3,4-trienoate (1119249-36-3)

Guidance literature:

Multi-step reaction with 3 steps

1: bromine / chloroform / 6 h / Irradiation

2: benzene / 6 h / Reflux

3: triethylamine / acetonitrile; toluene / 0 °C

With bromine; triethylamine; In chloroform; toluene; acetonitrile; benzene;

DOI:10.1002/adsc.201301000

upstream raw materials:

benzophenone

1,1-Diphenyl-propan-1-ol

2-bromo-1,1-diphenyl-propan-1-ol

2,3-dibromo-1,1-diphenylpropene

Refernces