Butanoic acid, 3-mercapto-, 2,2-bis[(3-mercapto-1-oxobutoxy)methyl]-1,3-propanediyl ester

Base Information

• Chemical Name: Butanoic acid, 3-mercapto-, 2,2-bis[(3-mercapto-1-oxobutoxy)methyl]-1,3-propanediyl ester
• CAS No.: 31775-89-0
• Molecular Formula: C21H36O8S4
• Molecular Weight: 544.776
• Mol file: 31775-89-0.mol

Synonyms:pentaerythritol tetrakis(3-mercaptobutyrate);

Chemical Property of Butanoic acid, 3-mercapto-, 2,2-bis[(3-mercapto-1-oxobutoxy)methyl]-1,3-propanediyl ester

Chemical Property:

• PSA: 260.40000
• LogP: 2.97920

Purity/Quality:

99.9% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Butanoic acid, 3-mercapto-, 2,2-bis[(3-mercapto-1-oxobutoxy)methyl]-1,3-propanediyl ester

There total 2 articles about Butanoic acid, 3-mercapto-, 2,2-bis[(3-mercapto-1-oxobutoxy)methyl]-1,3-propanediyl ester 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: 93.0%

Pentaerythritol (115-77-5) + 3-mercaptobutyric acid (26473-49-4) → 2,2-bis(((3-mercaptobutanoyl)oxy)methyl)propane-1,3-diyl bis(3-mercaptobutanoate) (31775-89-0)

Guidance literature:

With H₃SiW₁₂O₄₀-sulfamic acid/mesoporous TiO_{2 supported composite catalyst}; In toluene; at 116 ℃; for 5h; Reagent/catalyst; Temperature; Solvent;

Reference yield:

C10H6N2O6*C6H19N4P → N-methylphthalimide (550-44-7) + 2,2-bis(((3-mercaptobutanoyl)oxy)methyl)propane-1,3-diyl bis(3-mercaptobutanoate) (31775-89-0)

Guidance literature:

In chloroform; UV-irradiation;

DOI:10.1246/cl.140073

Reference yield:

2,2-bis(((3-mercaptobutanoyl)oxy)methyl)propane-1,3-diyl bis(3-mercaptobutanoate) (31775-89-0) → 2,2'-(8-(((3-((2,4-dicarboxybenzoyl)thio)butanoyl)oxy)methyl)-8-(12,12-diethoxy-5-methyl-3,7-dioxo-2,13-dioxa-6-thia-8-aza-12-silapentadecyl)-3,13-dimethyl-5,11-dioxo-6,10-dioxa-2,14-dithiapentadecane diyl)diterephthalic acid

Guidance literature:

Multi-step reaction with 2 steps

1: dibutyltin(II) dilaurate / 5 h / 75 - 80 °C

2: tetrahydrofuran / 5 h / 40 - 50 °C

With dibutyltin(II) dilaurate; In tetrahydrofuran;

upstream raw materials:

Pentaerythritol

3-mercaptobutyric acid

Refernces

• 1、 -. "Preparation method of pentaerythritol ester". Paragraph 0055; 0061-0071; 0077-0085; 0091-0099; 0105-0112. . Retrieved 2020/11/09.