Final_Wi06 - NU Chem 210-2, Winter 2006 Final exam 2 1. (25...

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NU Chem 210-2, Winter 2006 Final exam 2 1. (25 pts) For a, gives the IUPAC name of the products shown. For a-d, complete the listed reaction sequences, be careful to give all the major carbon-containing products, starting materials, or reagents. Clearly indicate the stereochemistry when relevant. If there is no reaction, say so. Assume that Friedel-Crafts alkylation can be stopped at single alkylation. a) O O Name____________________________ b) O OO NEt 3 1) 1 equiv TsOH, O 2) Acetyl choline, a neurotransmitter c) Nicotinic acid, more commonly named niacin, is one of the B vitamins that is added to common flour-based foods such as bread and pasta. For the reaction sequence below, fill in the reagents necessary to convert pyridine to niacin. Fill in the necessary reagents where nicotinic acid can be converted to ethyl nicotinate and then to nicotinamide. You must draw the structures of ethyl nicotinate and nicotinamide to receive the points associated with this question. N O OH N Ethyl nicotinate Nicotinamide Nicotinic acid (Niacin) d) NMe O 1) H 2 O, HCl, heat 2) H 2 O, NaOH, heat 3) LAH 4) H 2 O
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Final_Wi06 - NU Chem 210-2, Winter 2006 Final exam 2 1. (25...

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