quizzes_Quiz_3 - anticoagulant It is used to control...

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Chem239B Summer, 2007 Quiz #3 Prof. Sasaki ______________________________________________________________________ 1. The use of epoxides as alkylating agents for diethyl malonate provides a useful route to γ - lactones. Write equations illustrating such a sequence for styrene oxide as the starting epoxide. Is the lactone formed by this reaction 3-phenylbutanolide or is it 4- phenylbutanolide? EtO EtO O O O EtO EtO O O 1) NaOEt/EtOH 2) 3) H + / H 2 O O EtO EtO O O OH 1) NaOH/H 2 O 2) decarboxylation HO OH O H + O O O Styrene oxide O O O O 3-phenylbutanolide 4-phenylbutanolide 2. Diphenadione inhibits the clotting of blood; i.e., it is an
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Unformatted text preview: anticoagulant . It is used to control vampire bat populations in South America by a “Trojan horse” strategy. A few bats are trapped, smeared with diphenadione, and then released back into their normal environment. Other bats, in the course of grooming these diphenadione-coated bats, ingest the anticoagulant and bleed to death, either internally or through accidental bites and scratches. O O O diphenadione Suggest a synthesis of diphenadione from 1,1-diphenylacetone and dimethyl 1,2-benzenedicarboxylate....
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quizzes_Quiz_3 - anticoagulant It is used to control...

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