Lecture 26 - Reading for Friday Chapter 22 22.9-22.11 Dr...

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1 Reading for Friday Chapter 22: 22.9-22.11 ARIS Quiz #5 Available Today Due Sunday April 3 at 11:59 pm Dr. Benson’s Office Hours for Today are Cancelled Mon. 6:00-7:30 pm MAL 3092 Tues. 2:30-4:00 PM MAL 2007 Wed. 5:00-6:30 PM MAL 2001 Thurs. 9:30-10:50 AM MAL 1003 Sat. 11:30 AM-1:00 PM MAL 2007 PLUS Sessions THIS WEEK Acetals as protecting groups (21.15) Converting a ketone or aldehyde to an acetal can allow for selective reaction of another carbonyl- containing functional group Cyclic hemiacetals (21.16) Formed by intramolecular reaction between an –OH group and a ketone or aldehyde Stable if a 5- or 6-membered ring is formed Cyclic hemiacetals can be converted to cyclic acetals by rxn. with ROH Introduction to Carbohydrates (21.17) Carbohydrates include sugars and starches One of the 4 main groups of biomolecules (proteins, nucleic acids and lipids are the others) Simplest examples are truly “hydrates of carbon” (C) n (H 2 O) n
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2 Introduction to Carbohydrates
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This note was uploaded on 10/24/2011 for the course CHEMISTRY 623 taught by Professor Benson during the Spring '11 term at Kansas.

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Lecture 26 - Reading for Friday Chapter 22 22.9-22.11 Dr...

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