Chapter 17 Templates

Chapter 17 Templates - Chapter17:AlcoholsandPhenols...

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Chapter 17: Alcohols and Phenols Alcohols: Phenols: General Definitions: Enols: Example: Example: Example: Contain an ­OH group attached to a sp 3carbon atom Contain an ­OH group attached directly to a benzene ring Contain an ­OH group attached to a vinylic carbon atom Title: Jun 26 ­ 8:56 AM (1 of 36)
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Classifying and Naming Alcohols General Classification: Primary Alcohol Secondary Alcohol Tertiary Alcohol Title: Jun 26 ­ 9:12 AM (2 of 36)
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IUPAC Rules for Naming Alcohols: Examples: Rules for Naming Phenols: Select the longest chain (carbon) containing the hydroxyl group and derive the parent name by replacing the ­e with ­ol Number the chain from the end nearest the hydroxyl group Number the substituents based on the chain position and list them in alphabetical order Use phenol instead of benzene as the parent name Number the substituents according to their postion relative to the ­OH group Title: Jun 26 ­ 9:14 AM (3 of 36)
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Alcohols: Common Names Benzyl Alcohol Allyl Alcohol tert­Butyl Alcohol Ethylene Glycol Glycerol Title: Jun 26 ­ 9:20 AM (4 of 36)
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Properties of Alcohols and Phenols: 1.) Boiling Points and Hydrogen Bonding Figure 17.1 Alcohols and phenols have much higher boiling points than similar alkanes and alkyl halides Positively polarized H from one ­OH group is attracted to the negatively polarized oxygen from another This electrostatic interaction has a dramatic effect on boiling point Title: Jun 26 ­ 9:23 AM (5 of 36)
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Properties of Alcohols and Phenols: 2.) Acidity and Basicity In general, alcohols and phenols can act as weak Bronsted acids and bases Acids: Bases: Title: Jun 26 ­ 9:34 AM (6 of 36)
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Remember: Title: Jun 26 ­ 9:35 AM (7 of 36)
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alcohols?
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Chapter 17 Templates - Chapter17:AlcoholsandPhenols...

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