04082009 - Number the parent chain to give the triple bond...

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CH 310M/318M – MWF 9:00 – Lecture 31 – W 4/8/2009 Reading Assignment : Graded Homework : HW#14 deadline = 3:00 p.m. on Thu 4/9 HW#15 deadline = 3:00 p.m. on Mon 4/13 Textbook Problems : 7.1, 7.2, 7.7 plus “Alkyne Nomenclature Practice Problems” (online handout) Last Time : Hydroboration-oxidation of alkenes Ozonolysis of alkenes Today : Ozonolysis of alkenes (continued…) Ozonolysis of alkenes Dihydroxylation of alkenes Catalytic hydrogenation of alkenes (end Chapter 6) Structure and nomenclature of alkynes (begin Chapter 7)
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The suffix “–yne” is used in naming alkynes Nomenclature of Alkynes The parent chain must contain the triple bond.
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Unformatted text preview: Number the parent chain to give the triple bond the lowest number possible. If both double bonds and triple bonds are present, the parent chain should include the greatest number of double & triple bonds. Number the parent chain to give the first multiple bond encountered the lowest number possible. Double bonds are always cited first in the name. .. If both possible ways of numbering the parent chain are equivalent, double bonds take precedence over triple bonds and should be given lower numbers...
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This note was uploaded on 04/13/2009 for the course CH 53170 taught by Professor Bocknack during the Spring '09 term at University of Texas at Austin.

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04082009 - Number the parent chain to give the triple bond...

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