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How to convert but-2-yne from Chloromethane |
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Answer» Reactions that might be helpful:HalogenationR-OH + P/X2→ R-XDehydrohalogenationenter image SOURCE hereFinkelstein ReactionCH3CH2Br (acetone) + NaI (acetone) → CH3CH2I (acetone) + NaBr (s)Wurtz Reaction2R–X + 2NA → R–R + 2Na+X−Electrophilic Addition,NUCLEOPHILIC SubstitutionOrganic Chemistry1 AnswerErnest Z.Jul 1, 2017Answer:How about this?Explanation:1. HalogenationCH3CH2-OHP/Br2mm−−−−−→CH3CH2-Br2. DehydrohalogenationCH3CH2-Bralc. KOH,Δmm−−−−−−−−−→H2C=CH23. Electrophilic additionH2C=CH2Br2mm−−−→Br-CH2-CH2-Br4. DehydrohalogenationBr-CH2-CH2-BrNa, liq. NH3mm−−−−−−−−−→Na+-C≡-CNa+5. Nucleophilic substitutionNa+-C≡-CNa+CH3Brmm−−−−−→CH3C≡CCH3 |
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