Lecture 2282014.pdf

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Department
Chemistry
Course
CHEM 2332H
Professor
Christopher J.Douglas
Semester
Spring

Description
Lecture 2282014Friday February 28 2014858 AMTodaySynthesis of AldehydesKetones Stuff to ReviewNucleophilic Additions from formAldehydesKetonesCarboxylatesNitrilesAcid ChloridesEstersSynthesis ProblemsRetrosynthetic AnalysisChemistry to Review Oxidation of Alcohols 112Ozonolysis 815BFriedelCrafts Acylation 1711 Gatterman Koch aldehyde synthesisHydration of Alkynes 99fAcidHgMarkovnikov HydroborationOxidationantiMarkovnikovFrom Last Time Carbonyl groups electrophiliccarbon2 nucleophile will add either above or below the sphybrid plane that has the C and O and other bonds on CIf attacks from other side inverts stereochemistrycan get either enantiomerstereoisomer from this rxnSynthesis with 2 negative O atoms doesnt really want another negative charge coming in and attacking Coulombs lawneed powerful nucleophile like organolithium to do this Ochem Page 1
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