HW 5_Key_due

HW 5_Key_due - before and after dehydration . (12 pts)...

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Chemistry 223 Name _______ KEY _____________ Home Work 5 Dr. Latifa Chahoua For each molecule shown below, a) Indicate the most acidic hydrogen/s. b) Draw the important resonance contributors of the anion that results from removal of the most acidic hydrogen. (30 pts) Key CO H (a) (b) O O H H O O O - O - O O O H - O - O H O - O H O CN (c) O H O (d) H O O C - O C N N C N O O H - O - O H O - O H 1
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O COOCH 3 COOCH 3 CN (e) (f ) H H H H H - O COOCH 3 O COOCH 3 O COCH 3 O - COCH 3 C H O N COCH 3 C H - O N COCH 3 C H O N COCH 3 C H O N The most acidic hydrogen are shown in boldface 2- Predict the products of the following aldol condensation; show the products both
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Unformatted text preview: before and after dehydration . (12 pts) key-OH (a) (b) 2 Ph CHO + H 3 C O CH 3-OH + H 2 C (c)-OH H O OH O H O H-H 2 O 2 Ph OH O OH Ph-H 2 O Ph O Ph O Ph O H Ph OH O H Ph O H-H 2 O 2 (6) 2. Provide a detailed mechanism for the formation of acetate and bromodichloromethane from bromoacetone, hydroxide and chloride. Br O H H Br O H-OH _ Cl-Cl Br O Cl H-OH Br O Cl _ Cl-Cl Br O Cl Cl-OH OH O + -CBrCL 2 O-O + HCBrCL 2 3...
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HW 5_Key_due - before and after dehydration . (12 pts)...

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