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As has been demonstrated in the text, when the starting alkene has CH2 as its

Organic Chemistry | 7th Edition | ISBN: 9781133952848 | Authors: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote ISBN: 9781133952848 483

Solution for problem 24.8 Chapter 24

Organic Chemistry | 7th Edition

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Organic Chemistry | 7th Edition | ISBN: 9781133952848 | Authors: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Organic Chemistry | 7th Edition

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Problem 24.8

As has been demonstrated in the text, when the starting alkene has CH2 as its terminalgroup, the Heck reaction is highly stereoselective for formation of the E isomer. Here,the benzene ring is abbreviated C6H5!. Show how the mechanism proposed in the textallows you to account for this stereoselectivity.

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Chem 14A 9/23/15  Empirical and Molecular Formulas  Molecular compounds: molecules with atoms held together by covalent bonds.  Empirical formula: relative number of atoms.  Molecular formula: actual number of atoms. Law of Conservation of Mass (Lovoisier 1789)  Total mass before = total mass after  Balancing Chemical Equations  Number in front of reactant or product = stoichiometric coefficient  Δ means a reaction is being heated  Combustion reactions  Limiting Reactant Calculations  Solving a stoichiometric problem  Identify reactants and products  Write and balance equation for rxn  Calculate molar mass for each R and P  Convert molar mass to moles  Compare calculated moles (step 4) to required moles (step 2) to determine if there’s a limiting reactant  Based on moles of limiting reactant, calculate moles of product that can form  Convert moles of P to grams  this is theoretical yield  % yield = actual yield/theoretical yield  Molarity and Dilution of a Solution  Molarity (M) = moles (n) / volume (V) = mol ∙ L ­1  When diluting, moles of solute stay the same.  n=nioriMVi=MVi i i 10/6/15  J.J. Thomson  Discovered the electron in 1897 

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Chapter 24, Problem 24.8 is Solved
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Textbook: Organic Chemistry
Edition: 7
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
ISBN: 9781133952848

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As has been demonstrated in the text, when the starting alkene has CH2 as its