Exam 2 Study Sheet

Exam 2 Study Sheet - multiplicity gives info on adjacent Hs...

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Review sheet for CHM2120A from the Midterm to Exam 2 (Must also know material from Exam 1/Midterm review sheets) Readings you need to know : Solomon 9 th ed., 9.2, 16.6, 16.7 Stuff you should have read : Solomon 9 th ed., 2.16, 9.1-9.6, 16.2, 12.3, 12.4, 16.6-16.8, Mechanisms you need to know : PCC/Na 2 Cr 2 O 7 oxidations, NaBH 4 /LiAlH 4 reductions, addition of strong and weak nucleophiles to carbonyls Concepts to remember : IR is vibrational spectroscopy and gives info on functional groups, NMR gives info on chemical environment: chemical shits impacted by electronegativity, intensity gives H abundance,
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Unformatted text preview: multiplicity gives info on adjacent Hs Spectroscopy : IR cm-1 NMR ppm C=O 1600-1800 alkanes (no EWG) 0.5-1.8 CH (sp 3 ) 2900 C H-C=O 2-3 CH (sp 2 ) 3000 C H-O- 3.5-5 OH 3300-3600 alkenes 5-6.5 COOH 2700-3300 aromatic 6.6-8.5 Reactions you need to know: OH R H H PCC O R H OH R H H Na 2 Cr 2 O 7 O R OH H 2 SO 4 OH R R' H Na 2 Cr 2 O 7 O R R' H 2 SO 4 PCC or O R NaBH 4 or OH R R' LiAlH 4 R' H O R OH R LiAlH 4 OR' H H R X R MgX Mg X = Cl, Br, I R MgX R H H O R R' OH R R' R'' R''-M M = Li, MgX O R-MgX R OH O R R''-OH R R' H R' R''O OR''...
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