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Alkyne

Organic Chemistry Lecture 9

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Chemistry
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Chemistry
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Functional groups
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Alkene
Hydroboration
Haloalkane
Aldehyde
Vinyl cation
Acetylene
Acetylide
Electrophile

Chapter 9 ? 2010, Prentice Hall Organic Chemistry, 7th Edition L. G. Wade, Jr. Alkynes Chapter 9 * Introduction Alkynes contain a triple bond. General formula is CnH2n-2. Two elements of unsaturation for each triple bond. Some reactions resemble the reactions of alkenes, like addition and oxidation. Some reactions are specific to alkynes. Chapter 9 Chapter 9 * Nomenclature: IUPAC Find the longest chain containing the triple bond. Change -ane ending to -yne. Number the chain, starting at the end closest to the triple bond. Give branches or other substituents a number to locate their position. Chapter 9 Chapter 9 * Examples of Nomenclature

Organic chemistry

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Chemistry
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Chemistry
Organic chemistry
Functional groups
Organic compounds
Alkyne
Hydrocarbon
Alkene
Alkane
Aromatic hydrocarbon
Carbon
Organic Chemistry Name: _______________________ organic chemistry: the study of carbon-containing compounds -- hydrocarbons: compounds containing only hydrogen and carbon alkanes: contain only single bonds alkenes (olefins): contain at least one C=C double bond alkynes: contain at least one carbon-carbon triple bond aromatic hydrocarbons: benzene-based -- structural isomers: compounds with the same molecular formula but different bonding arrangements e.g., C4H10 Organic Nomenclature Memorize the first ten prefixes. 1 = meth-, 2 = eth-, 3 = prop-, 4 = but-, 5 = pent-, 6 = hex-, 7 = hept-, 8 = oct-, 9 = non-, 10 = dec- NOTE: Hydrocarbon substituent groups use these prefixes and end in –yl. Naming Alkanes
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