What is Diethyl (Phenylacetyl) Malonate BMK CAS 20320-59-6?

Diethyl (Phenylacetyl) Malonate is a chemical substance, chemical formula is C15H18O5, used as an intermediate in organic synthesis.

Physicochemical Property

Other name:

NEW BMK POWDER
NEW BMK OIL BMK LIQUID
Diethyl(phenylacetyl)malonate
diethyl 2-(2-phenylacetyl)propanedioate
Propanedioic acid, (phenylacetyl)-, diethyl ester
diethyl 2-(2-phenylacetyl)propanedioate wickr bettyml
Propanedioic acid, 2-(2-phenylacetyl)-, 1,3-diethyl ester
Pharmaceutical intermediates Diethyl(phenylacetyl)malonate
BMK

Production Method of 20320-59-6

The production method of Phenylacetylpropane Diethyl Ester (PDBE), with the CAS number 20320-59-6, involves several key steps:

1. Acylation Reaction with Benzylacetone:
   • Begin with benzylacetone as the starting material.
   • Conduct esterification reaction with ethanol in the presence of a small amount of acidic catalyst.
   • Obtain Phenylacetylpropane Diethyl Ester from the acylation reaction.
2. Ester Exchange Reaction:
   • React Phenylacetylpropane Diethyl Ester with methanol.
   • Utilize ester exchange reaction to produce Phenylacetylpropane Diethyl Ester.

In both steps, acidic catalysts such as sulfuric acid or hydrochloric acid are commonly employed. Reaction conditions, including temperature and reaction time, can be adjusted based on practical considerations.

It is crucial to note that the production process of PDBE requires precise control of reaction conditions to enhance both yield and purity. Additionally, in the chemical industry’s production processes, factors such as safety and environmental protection must be considered. This involves rational process design to minimize waste emissions and resource consumption.

Production Method of 20320-59-6

The production method of Phenylacetylpropane Diethyl Ester is outlined as follows:

1. Raw Material Preparation:
   • Prepare Phenylacetylpropane Diethyl Ester (acetylation of ethyl acetate) and ethanol.
2. Reaction Apparatus Preparation:
   • Employ a reaction vessel (reactor) and heat it to an appropriate temperature.
3. Reaction Process:
   • Introduce Phenylacetylpropane Diethyl Ester into the reaction vessel.
   • Gradually add ethanol with stirring. Simultaneously, control the reaction temperature and time, typically reacting at 120-140°C for 2-3 hours.
4. Reaction Completion:
   • Cool the reaction product after complete reaction.
5. Separation and Purification:
   • Employ suitable separation and purification methods such as distillation, crystallization, etc., to isolate Phenylacetylpropane Diethyl Ester from the reaction mixture.
6. Drying and Packaging:
   • Dry the obtained Phenylacetylpropane Diethyl Ester and proceed with packaging for storage and transportation.

It is important to note that during the production process, necessary safety measures should be taken, such as low-temperature operations and explosion prevention measures, to ensure the safety and smooth progress of the production process.

——————————————————————————————————————

We are a collection of scientific research/Produce/Processing/Export as one of the professional chemical production enterprises. Mainly engaged in pharmaceutical intermediates and various industrial chemicals. Please contact us for more information.

Phone/Whatsapp/Wechat : (+86) 167 3757 3060

Email: channelchem.wendy@gmail.com

—————————————————————————————————————–