05032010 - CH 310M/318M - Lecture 41 M 5/3/2010 Reading...

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CH 310M/318M - Lecture 41 M 5/3/2010 Reading Assignment : Sections 10.7, 10.8, 10.9 , 11.1 , 11.2 , 11.3 , 11.4 Graded Homework : HW#20 deadline = 5:00 p.m. on Tu 5/4 HW#21 deadline = 9:00 a.m. on F 5/7 Last Time : Nucleophilicity b -elimination reactions of alkyl halides the E1 reaction mechanism Textbook Problems : 10.1-10.6, 10.14-10.23, 10.25-10.28 Today : b -elimination reactions of alkyl halides the E2 reaction mechanism Chapter 9 summary Reactions of alcohols (begin Chapter 10) The final exam is scheduled for Wednesday, 5/12 from 7:00 to 10:00 p.m. The exam will be comprehensive , but a stronger emphasis will be placed on “new” material…a detailed “End of Semester Info” handout will be posted in Blackboard later this week… The final exam is mandatory failure to take the exam at the scheduled time & place results in grade of F… NO MAKE-UP/CONFLICT EXAMS WILL BE GIVEN!!! The regrade deadline for Midterm #3 is 12:00 p.m. TODAY!!!
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b - Elimination Competes with Nucleophilic Substitution… When reaction conditions favor carbocation formation: S N 1 and E1 occur together (last time…) Consider these reactions: Br NaOEt in EtOH OEt + 1° alkyl bromide via S N 2 via E1?!? (88%)
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05032010 - CH 310M/318M - Lecture 41 M 5/3/2010 Reading...

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