diethyl (2-bromoethylidene)propanedioate

Base Information

Chemical Name:diethyl (2-bromoethylidene)propanedioate
CAS No.:51385-79-6
Molecular Formula:C9H13 Br O4
Molecular Weight:265.1011
Hs Code.:
Mol file:51385-79-6.mol

Synonyms:Propanedioicacid, (2-bromoethylidene)-, diethyl ester (9CI); Diethyl2-bromoethylidenemalonate; NSC 257444

Suppliers and Price of diethyl (2-bromoethylidene)propanedioate

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 3 raw suppliers

Chemical Property of diethyl (2-bromoethylidene)propanedioate

Chemical Property:

Vapor Pressure:0.0151mmHg at 25°C
Boiling Point:256.8°C at 760 mmHg
Flash Point:109.1°C
Density:1.39g/cm³

Purity/Quality:: 85.0-99.8% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of diethyl (2-bromoethylidene)propanedioate

There total 2 articles about diethyl (2-bromoethylidene)propanedioate 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: 55.0%

: dimethyloxosulfonium-3,3-dicarboethoxyallylide

: 51385-79-6
diethyl-2-(2-bromoethylidene)malonte

Guidance literature:: With hydrogen bromide; In dichloromethane; water; at 0 ℃;
DOI:10.1016/j.tetlet.2015.05.015

Reference yield:

: 87-13-8
diethyl 2-ethoxymethylenemalonate

: 51385-79-6
diethyl-2-(2-bromoethylidene)malonte

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / N,N-dimethyl-formamide / 1 h / 40 - 45 °C / Inert atmosphere

1.2: 0.25 h / 0 °C / Inert atmosphere

2.1: hydrogen bromide / water; dichloromethane / 0 °C

With hydrogen bromide; sodium hydride; In dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/j.tetlet.2015.05.015