Chemical compounds have always fascinated and baffled mankind for centuries. With so many different compounds and their uses, it can be overwhelming for beginners. In this blog, we will be discussing one of the more complex compounds, (1E)-1-chloro-3-ethoxy-1-propene- C5H9ClO, its properties, and how it is synthesized.
(1E)-1-chloro-3-ethoxy-1-propene - C5H9ClO:
(1E)-1-chloro-3-ethoxy-1-propene, also known as 3-Chloro-1-propene, is a colorless liquid with a density of 1.022 g/cm^3. Its melting point is -90 °C, and it boils at 136-138 °C. It's a highly flammable and reactive compound and is primarily used in the chemical and pharmaceutical industry.
Structural Formula:
The structural formula of this compound is as follows:
CH3CH=CHCH2Cl
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OCH2CH3
Synthesis:
The synthesis of (1E)-1-chloro-3-ethoxy-1-propene involves a three-step process. The first step involves the reaction of propylchloride with sodium ethoxide. The second step involves the addition of thionyl chloride to the mixture to obtain the intermediate product. The final step involves the reaction of the intermediate product with triethyl orthoacetate to yield the desired product.
Step 1:
CH3CH2CH2Cl + NaOC2H5 → CH3CH2CH2OCH2CH2Na + NaCl
Step 2:
CH3CH2CH2OCH2CH2Na + SOCl2 → CH3CH2CH2OCH2CHCl + NaCl + SO2
Step 3:
CH3CH2CH2OCH2CHCl + HC(OC2H5)3 → CH3CH=CHCH2Cl + HC(OC2H5)2OSO2C2H5
Structure:
The structure of (1E)-1-chloro-3-ethoxy-1-propene consists of a propyl group (CH3CH2CH2) attached to a double bond (CH=CH) and a chlorine atom (Cl) on one side, and an ethoxy group (OCH2CH3) on the other side.
Conclusion:
In conclusion, (1E)-1-chloro-3-ethoxy-1-propene, also known as 3-Chloro-1-propene, is a colorless liquid used in various industries. It is synthesized using a three-step process involving the reaction of propyl chloride with sodium ethoxide, addition of thionyl chloride, and finally, reaction with triethyl orthoacetate. With a density of 1.022 g/cm^3, melting point of -90 °C, and boiling point of 136-138 °C, this compound is highly flammable and reactive. Its structural formula consists of a propyl group attached to a double bond and a chlorine atom on one side and an ethoxy group on the other side. It is important to follow appropriate safety measures while handling this compound, and its use should only be under the supervision of experts.