Chem 232 Lecture 12 - UIC Department of Chemistry - University of ...

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Stereospecific ReactionsStereospecificIn stereospecific reactions, the configuration of the product is directly related to theconfiguration of the reactant and is determined by the reaction mechanism.Stereoisomeric reactants will give different, stereoisomeric products.CHEM 232 Definition, 2009BrdifferentgeometricalisomersMeMeMeMeBr 2CHCl 3Br 2CHCl 3MeMeBrBrMeBrMestereoisomericproducts resultingfrom anti-halideadditionUniversity of IllinoisUICat Chicago CHEM 232, Spring 2010Slide 22Lecture 10: February 1122
Halogen Addition DoesNot Involve Syn AdditionX• concerted process would require syn additionof two halogen atoms• therefore mechanism is not concerted.University of IllinoisUICat Chicago CHEM 232, Spring 2010Slide 23Lecture 12: February 1823
Page 1 and 2: CHEM 232Organic Chemistry IUniversi
Page 5 and 6: Boranes - Structure & ElectronicsHH
Page 8 and 9: Stoichiometry of Hydroboration6 xB
Page 10 and 11: Oxidation StephydroborationB 2 H 6d
Page 12 and 13: Regioselectivity DeterminedDuring H
Page 14 and 15: Regioselectivity - 1st RationaleSte
Page 16 and 17: Self Test QuestionWhat is the produ
Page 18 and 19: Alkene-Halogen AdditionC C + X Yadd
Page 20 and 21: Halogenation is Stereospecific• a
Page 24 and 25: Halogen Addition DoesNot Involve Fr
Page 26 and 27: Anti Addition..-: Br:....Br..:..Br.
Page 28 and 29: Halogen Addition Modification:Aqueo
Page 32 and 33: Epoxides are Preparedvia Alkene Epo
Page 34 and 35: Alkenes are Cleaved via Ozonolysiso
Page 38 and 39: Synthetic RouteHow could you prepar
Page 40 and 41: Self Test QuestionDevise a retrosyn
Page 42 and 43: Self Test QuestionWhich starting ma
Page 44: Quiz & Exam AveragesQuiz 1 = 61%Qui

Chem 232 Lecture 12 - UIC Department of Chemistry - University of ...

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