Hello,
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It is actually know as Williamson ether synthesis.
It is a widely used method to produce ethers.
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It is an organic reaction used to convert alcohol alkyl halide to an ether using a base.
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They are mostly world widely used in factories/industries for ether synthesis.
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The process is named as Williamson Because it was developed by Alexander Williamson.
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For an chemistry student according to Wikipedia, Williamson ether synthesis is an organic reaction, forming an ether from an origonogalide and a deprotonated alcohol.
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You will get many explanation and methods to find. To understand clearly watch a video of methods of Williamson synthesis from YouTube. It will explain you clearly and you will be able to write it on your Own