TTh_15 - Organic Lecture Series CH 310/318 M LECTURE 15...

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Organic Lecture Series 1 CH 310/318 M LECTURE 15 Textbook Assignment: Chapter 7- Cont’d Today’s Topics: Alkynes Alkynes -reactions reactions Notice & Announcements: Exam II: Monday, 10/18 7-9 PM WEL 2.122 Organic Lecture Series 2 Alkynes Alkynes Chapter 7 Chapter 7
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Organic Lecture Series 3 RU RU -486, The 486, The “Abortion Abortion ” Pill Pill RU RU -486 acts as an 486 acts as an antagonist antagonist – a drug a drug that fits into a receptor that fits into a receptor site, but does not have site, but does not have the customary effect the customary effect as does another drug; as does another drug; in this case the other in this case the other drug (hormone) is drug (hormone) is progesterone. progesterone. Organic Lecture Series 4 • Treatment of a vicinal dibromoalkane with two moles of base, most commonly sodium amide, results in two successive dehydrohalogenation dehydrohalogenation reactions (removal of H and X from adjacent carbons) and formation of an alkyne. CH 3 CH=CHCH 3 3 CH-CHCH 3 Br Br 2 Cl 2 Br 2 2NaNH 2 NH 3 ( l ) 3 C CCH 3 2NaBr 2NH 3 2-Butene + + -33 o C 2-Butyne Sodium amide ++ Preparation from Alkenes Preparation from Alkenes
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Organic Lecture Series 5 – For a terminal alkene to a terminal alkyne, 3 moles of base are required.
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This note was uploaded on 10/28/2010 for the course BIO 325 taught by Professor Saxena during the Spring '08 term at University of Texas at Austin.

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TTh_15 - Organic Lecture Series CH 310/318 M LECTURE 15...

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