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Unformatted text preview: Exam 3 is Wednesday Evening TA Review is 6:50 pm Tuesday. Here in Javits 100 Read Study Guide #4 Read Study Guide #4 Cope and Claisen Rearrangements Exam 3 Study Guide and exam cover have been posted. Exam Covers Chapters 18,19,20 and 21 O H O Claisen Rearrangement O 1. NaOH 2. B O OH 200 ° * * Br 13 C = * Pericyclic C Reaction O H * Cyclic flow of electrons keto intermediate "no s ab e" Concerted not stable O Claisen Cope Citral redraw Cope Claisen redraw Cope O O What is the Claisen product? O O O What is the Claisen product? O A B C D O Claisen Cope Citral O redraw Cope Claisen redraw O Cope O O What is the Cope product (Citral)? O O What is the Cope product (Citral)? H H O O A B H H C D O O Me 3 Si O Me 3 Si O 1. LDA 2. Me 3 SiCl O heat O H 2 O HO O HO O O SiMe 3 O SiMe 3 1. LDA 2. Me 3 SiCl heat F- O O O A B O O A B C D Consider the following separation scheme. Consider the following separation scheme....
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- Fall '08
- Amide, NH, 200°