Organic Chemistry Assignments Chapter 5: Week 9 (10/18-21) Work Due by: Monday, October 24 Learning Goal: Be able to identify the types of isomerism in organic compounds, to identify and classify chiral centers, and explain the physical and chemical consequences of chirality. Topic Benchmarks Listen or Read and take Notes Practice Problems Other Grade R and S Nomenclature Be able to determine if a molecule is Chiral with an R or S designation or if the molecule is achiral. 1). Lecture 10/16 is missing so you need to read sections 5.6 and 5.7 or view the Stereochemistry video on educator.com. Bruice: Page 201, #8, 10, 11, 12 Educator.com: R and S Stereochemistry; A good review of the previous lesson plus the missed lesson. The video must load to fast forward. (26 min) Notes _______ Problems _______ R and S continued with Fischer Projections Be able to draw a Fischer Projection from a line drawing and determine if the chiral center is R or S. 1). Listen to lecture #18 dated 10/19 for 20 minutes. Bruice: Page 205, #13, 14 and Page 244, #65 a-i. NA Notes ________ Problems_______ Optical Activity Be able to calculate the % of each enantiomer in a mixture. 1). Listen to the remainder of lecture #18 dated 10/19. (16 minutes) Bruice: Page 208, #16 – 21 and Page 247, #77 NA Notes _______ Problems _______ Determine if isomers are enantiomers, diastereomers, or meso compounds. 1). Listen to lecture #19 dated 10/21. (35 minutes) Bruice: Page 213, #24, 26 and Page 245, #67 and 72 The Try This at the beginning: Pure (S) – Oklahomic Acid gives a specific rotation of +90o. How much (S) and (R) – Oklahomic Acid would there be in a solution that gave -81o specific rotation? Notes ______ Problems ______ Question #2 Question #3 23:00 on the tape is where this lesson picks up – listen to 49:13 Molecules with Two Asymmetric Centers Help? Topic and Question 2). Download extra notes at the MSU site MSU: 12 Examples - some of these are difficult… 2). Read sections 5.8-5.10 2). Read sections 5.11-5.15 Question #1 Needed Sites for Others section: RS notes: http://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/sterism3.htm#isom13 Stereochemistry on Educator.com: http://www.educator.com/chemistry/organic-chemistry/starkey/stereochemistry.php?ss=0 Stereochemistry on You Tube Video 1: http://youtu.be/NxIOrK6wF70