1. Announcements Thursday morning lab section will meet at 9 am tomorrow Chapter 22 homework due Thursday 5 pm Exam 3 corrections due Thursday 5 pm (no extensions) FINAL EXAM Monday, May 3 at 8:00 am ACS standardized exam for one-year organic chemistry – 70 multiple choice questions (2 hours) OPTIONAL in-class Exam 4 – Wednesday April 28 Chapters 22, 23, 24 plus fundamental chemistry of carbohydrates and peptides (dry labs) If curved score is higher than one of your previous exams, it will replace the lowest score. No penalty for taking exam and scoring lower than previous tests.

2. Bart Lisa Take Your Dog to Work Day – An Unofficial Holiday Proposed for Friday, April 16

3. Aricept® (Donepezil) is an Acetylcholinesterase Inhibitor Approved for Alzheimer’s Disease Aricept® (Donepezil hydrochloride) Acetylcholine (ACh)cholineacetatehydrolysis Inhibition of AChE increases levels of the neurotransmitter acetylcholine

4. Synthesis of Aricept® (Donepezil Hydrochloride) Aricept® (Donepezil hydrochloride) aldol condensation reduction salt formation

5. Synthesis of Progesterone via Intramolecular Aldol Reaction (W.S. Johnson, 1971) progesterone (racemic) Female steroid hormone aldol condensation ozonolysis

6. Dogs Are As Smart As Toddlers, Study Finds http://www.msnbc.msn.com/id/32349079/ns/health-pet_health/