310-11 - Organic Lecture Series CH 310 N LECTURE 11...

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Organic Lecture Series 1 CH 310 N LECTURE 11 Textbook Assignment: Chap 16 Begin Homework (for credit): POW 3 posted (Due Feb 14) Today’s Topics: Structure, nomenclature; physical properties Notice & Announcements: “Ask the Doctor” Paul Carrell, M.D. - Anesthesiology Randy Eckert, M.D. - Pathology Lauren Anseron - Physician Assistant Organic Lecture Series 2 Aldehydes Aldehydes And And Ketones Ketones (Chapter 16) (Chapter 16)
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Organic Lecture Series 3 The Carbonyl Group The next units cover the physical and chemical properties of classes of compounds containing the carbonyl group, C=O ¾ aldehydes and ketones (Chapter 16) ¾ carboxylic acids (Chapter 17) ¾ acid halides, acid anhydrides, esters, amides (Chapter 18) ¾ enolate anions (Chapter 19) Organic Lecture Series 4 Physical Properties Physical Properties Oxygen is more electronegative than carbon (3.5 vs 2.5) and, therefore, a C=O group is polar – aldehydes and ketones are polar compounds and interact in the pure state by dipole-dipole interaction – they have higher boiling points and are more soluble in water than nonpolar compounds of comparable molecular weight
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Organic Lecture Series 5 IR: IR: Carbonyl Stretch Aldehydes 1720-1725; (also show m C- H @ 2720) Ketones 1710-1715 (aryl ketones 1680) NMR: NMR: Aldehydes 9.5-10.2 (s) ketones protons α to 2.1-2.3 (can be 2.2- 2.6) Spectra Properties Spectra Properties Organic Lecture Series 6 1680
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Organic Lecture Series 7 s, 3 H m, 3 H m, 2 H a b c d Organic Lecture Series 8 1710
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Organic Lecture Series 9 H O a b b c c d S, 1H m, 2H m, 2H m, 1H a b d c 400mHz
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310-11 - Organic Lecture Series CH 310 N LECTURE 11...

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