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Chapter 9-1 - Introduction
Organic Chemistry 307: Chapter 9 - Alkynes; Section 1 - Introduction
6
Organic Chemistry
Undergraduate 3
11/14/2011

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Term
__________ are hydrocarbons that contain carbon-carbon triple bonds.
Definition
1) Alkynes
Term
Alkynes are also called __________ because they are derivatives of __________, the simplest alkene.
Definition
1) Acetylenes
2) Acetylene
Term
Alkynes typically undergo most of the same reactions as __________, especially the __________ and __________.
Definition
1) Alkenes
2) Additions
3) Oxidations
Term
A triple bond gives an alkyne __________ fewer hydrogens than the corresponding alkane.
The molecular formula is like that of a molecule with __________ double bonds: __________.
Therefore, the triple bond contributes __________ elements of unsaturation.
Definition
1) Four
2) Two
3) CnH2n-2
4) Two
Term
Alkynes are not as common in nature as __________, but some plants do use them to protect themselves against disease or predators.
Definition
1) Alkenes
Term
The alkyne functional group is often uncommon in drugs, but __________ is used as an analgesic, and __________ __________ (a synthetic female hormone) is a common ingredient in birth control pills. __________ __________ is an antibacterial compound that is being tested as an antitumor agent.
Definition
1) Parsalmide
2) Ethynyl estradiol
3) Dynemicin A
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