Lecture 23-Rxns of alkynes

Lecture 23-Rxns of alkynes - Lecture 23 Reactions of...

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Unformatted text preview: Lecture 23 Reactions of Alkynes: Hydrations Reductions Retrosynthesis : : : Announcements : : : Exam 3 is Next Tuesday evening!! 7:00 9:00pm WEL 1.316 Will cover up to end of Ch. 7 Review Session: Sat. 10:30am noon WEL 1.308 Blackboard grade updates CH 310/318M Sp.2011 Last Time Alkyne Nomenclature , Structure & Preparation Electrophilic Additions (HX and X2) product depends on reagent stoichiometry V. Patman 2 CH 310/318M Sp.2011 Thurs 4.14.11 V. Patman 2 CH 310/318M Sp.2011 Hydration - Hydroboration A problem. . . . Use a new borane reagent: Thurs 4.14.11 V. Patman 3 CH 310/318M Sp.2011 B-H Di- sec-isoamylborane [(sia) 2 BH] Hydroboration For internal alkynes: Terminal alkynes require use of bulky borane Thurs 4.14.11 V. Patman 4 CH 310/318M Sp.2011 CH 3 1) BH 3 2) H 2 O 2 , NaOH (aq) CH 3 O CH 3 O 1) (sia) 2 BH 2) H 2 O 2 , NaOH (aq) H O Hydroboration...
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This note was uploaded on 09/25/2011 for the course CH 318M taught by Professor Bocknack during the Spring '08 term at University of Texas at Austin.

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Lecture 23-Rxns of alkynes - Lecture 23 Reactions of...

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