erythro 2,3-dibromo-butenoate

Base Information

• Chemical Name: erythro 2,3-dibromo-butenoate
• CAS No.: 22426-04-6
• Molecular Formula: C₅H₈Br₂O₂
• Molecular Weight: 259.925
• Mol file: 22426-04-6.mol

Synonyms:

Chemical Property of erythro 2,3-dibromo-butenoate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of erythro 2,3-dibromo-butenoate

There total 3 articles about erythro 2,3-dibromo-butenoate 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%

crotonic acid methyl ester (623-43-8) → (+/-)-erythro-2,3-dibromo-butyric acid methyl ester (5469-24-9,22426-04-6,26708-42-9,99570-24-8,99570-28-2)

Guidance literature:

With dioxane*Br₂; at 20 ℃; for 0.166667h;

DOI:10.1080/00397910601033617

Reference yield:

crotonic acid methyl ester (623-43-8) → erythro 2,3-dibromo-butenoate (5469-24-9,22426-04-6,26708-42-9,99570-24-8,99570-28-2)

Guidance literature:

With bromine; In neat (no solvent); at 0 ℃; for 48h;

DOI:10.1016/0040-4020(82)85011-4

Reference yield:

→ threo-2,3-Dibrom-buttersaeure-methylester (5469-24-9,22426-04-6,26708-42-9,99570-24-8,99570-28-2)

Guidance literature:

cis-Crotonsaeure-methylester, NaOCl, NaBr, Eg. (S. 314, 315, 318, 319);

upstream raw materials:

crotonic acid methyl ester

Downstream raw materials:

methyl bromo-crotonate

crotonic acid methyl ester