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Date: 11-9-2018
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Date: 7-9-2018
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Date: 30-9-2019
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Lastly, we will briefly look at how to prepare alkynes from alkenes. This is a simple process using first halogenation of the alkene bond to form the dihaloalkane, and next, using the double elimination process to protonate the alkane and from the 2 π
bonds.
This first process is gone over in much greater detail in the page on halogenation of an alkene. In general, chlorine or bromine is used with an inert halogenated solvent like chloromethane to create a vicinal dihalide from an alkene. The vicinal dihalide formed is the reactant needed to produce the alkyene using double elimination, as covered previously on this page.
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4 أسباب تجعلك تضيف الزنجبيل إلى طعامك.. تعرف عليها
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أكبر محطة للطاقة الكهرومائية في بريطانيا تستعد للانطلاق
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أصواتٌ قرآنية واعدة .. أكثر من 80 برعماً يشارك في المحفل القرآني الرمضاني بالصحن الحيدري الشريف
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