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Chem 140c - Midterm 3 (Nefzi)

Chem 140c - Midterm 3 (Nefzi) - Please print the following...

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Unformatted text preview: Please print the following information clearly Last Name: Q First Name; “ Student ID: ‘- nonunounnunnnoanocaononnnnoonunnnannnuuuunuunununuuuaonnaocflouonnoooouuoununannounce- CHEMISTRY 140 C (Winter EMS) Midterm ML March ll]! Read these instructions carefully: 1. No notes or calculators are allowed 2. Do not open this exam until told to start 3. You must stop when asked to do so. 4. Written responses must be neat and in complete sentences. 5. Please fill out the top of this sheet clearly. Questions: Points Problem 1 (35 points) a Problem 2 (35 points) Problem 3 (35 points) 5 Total (105 pts) - All the best Dr. Nefzi . «1"- ' Scratch pager Student Name“ Pt‘obiem 1 Prepose synthetic strategies for the following reactions with detailed mechanisms. Provide all the reagent and intemtediates needed. A) B} Student Nam an "Problem 2 A) Complete the following reactions: (35 points) 2} NaBchN in THF: 3} H’IHzo 1) H201H+ 2) EtOHIH“ Student Name?“ Problem 3 A) Starting from pyridine, provide a strategy for the following reaction using only LDA, methyllithium and methyl iodide as reagents. B) Startmg lrom honzaldhyde, prowde a'synlhetie strategy for the fonnatlon of the followmg B-liydroxy carbonyl cmnpound. Chow all the intermediates and reagents needed (DO NOT USE ALDOL CONDENSATION}.. 0 OH ...
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