ReviewD_[Compatibility_Mode][1] - 4/21/2010 Review Grignard...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
4/21/2010 1 Review Grignard Reagent Lithium Reagent 1 Review: MS CH 3 + 1° allylic 1° benzylic << < 2° allylic 2° benzylic < 3° allylic 3° benzylic 2 1 + 3 2 A-B A A B B + Molecular ion (a radical cation) + + + Cation Radical Radical Cation 4
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4/21/2010 2 Review UV IR 3 Beer-Lambert Law: A = ε cl 1. Conjugation 2. Review 1 H NMR Spectroscopy and Proton Equivalence: Equivalent H’s have the same signal while nonequivalent are different NONEQUIVALENT : constitutionally heterotopic and diastereotopic hydrogens EQUIVALENT: Homotopic or enantiotopic 4
Background image of page 2
4/21/2010 3 Review: a summary Structural information MS Molecular ion/parent ion : size of the molecule M and M+2 peaks tell whether the molecule has Cl or Br Base peak and other peaks : Functional group and its location, b/c breakage of C C bonds occurs around the functional group (e.g. alpha cleavage, see lecture notes and review slides #2) UV Position of the peak (in wavelength) : degree of conjugation Intensity of the peak (in absorbance):
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/28/2010 for the course ORGANIC organic taught by Professor Nikles during the Spring '10 term at University of Alabama at Birmingham.

Page1 / 3

ReviewD_[Compatibility_Mode][1] - 4/21/2010 Review Grignard...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online