ochem reactions

ochem reactions - Preparation of Alkyl Halides Product Type...

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Unformatted text preview: Preparation of Alkyl Halides Product Type of Reaction (name) Reaction Conditions Selectivity (Regio- and/or Stereo-) Halides from alkenes Electrophilic Addition HX, organic solvent (anhydrous) Markovnikov Addition from alkenes Free Radical Addition HBr, H 2 O 2 , h Anti-Markovnikov from alkanes Free Radical Substitution X 2 , h benzylic > allylic > 3 > 2 > 1 from alkenes Free Radical Substitution NBS, h (gives allylic bromides) benzylic and allylic Hs from alcohols Substitution HX, ether (anhydrous) 3 alcohols only from alcohols Substitution SOCl 2 (gives alkyl chlorides) 1 and 2 alcohols from alcohols Substitution PBr 3 (gives alkyl bromides) 1 and 2 alcohols _________________________________________________________________________________________________________________ 1,2-halides (vic-dihalide) Electrophilic Addition Cl 2 , Br 2 , I 2 in CCl 4 solvent Anti Stereochemistry from alkenes _________________________________________________________________________________________________________________...
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