asu-o2hf1-ans - CHEM 234, Spring 2008 Final Exam Ian R....

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Final Exam Ian R. Gould PRINTED FIRST NAME Person on your LEFT (or Aisle ) H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn CHEM 234, Spring 2008 LAST NAME H/H ~1.0 Eclipsing H/Me ~1.4 Me/Me ~2.6 Me/Me ~0.9 Et/Me ~0.95 i-Pr/Me ~1.1 t-Bu/Me ~2.7 Gauche Me/Et ~2.9 Interaction Energies, kcal/mol ASU ID or Posting ID RIGHT 1__________/18 ....................... 9__________/72 ......................... 2__________/14 ......................... 10__________/22 ......................... 3__________/10 ......................... 11__________/20 ......................... 4__________/12 ......................... 12__________/40 ......................... 5__________/12 ....................... 13__________/25 ......................... 6__________/12 ........................ 14__________/50 ......................... 7__________/20 ........................ 15__________/40 ......................... 8__________/18 ........................ Extra Credit_____/5 Total (incl Extra)________/385+5 C NR 2 RC CR R 2 C CR 2 Aromatic C R OH O C X R NH 2 R OH amine alcohol 3 Y > 2 > 1 0 20 40 60 80 100 120 140 160 180 200 220 –H 2 C X –H 2 C NR 2 –OCH 2 0 1 2 3 4 5 6 7 8 9 10 11 C CH C H O C R OH O Aromatic Ar H Alkyl mainly 8 - 6.5 C CH 2 C CH 3 O Alkyl –OCH 2 C O ( ! , ppm) variable and condition dependent, ca. 2 - 6 ! R C N O H C N C N C C H C O N H C H C N O H C O C H C CH C OR O N H C H C O O H C O H O C NR 2 O 3000– 3100 2850–2960 3300 broad ~3300 broad with spikes ~3300 2200 broad ~3000 1710 2200 1650 2720–2820 2 peaks 1735 1600–1660 1680 range of values broad peak small range usually strong 1600 C H C H C C H H C H C H C H C H H H H H Approximate Coupling Constants, J (Hz), for 1 H NMR Spectra ~7 ~10 ~2 ~15 ~8 Infrared Correlation Chart NMR Correlation Charts 3000 2000 2500 3500 1500 (cm -1 ) nomen acidity 1 acidity 2 basicity reactivity basicity 2 malonics Stork reactions synthons pericyclic mxns 1 mxns 2 synth 1 synth 2 •PRINT YOUR NAME ON EACH PAGE! • READ THE DIRECTIONS CAREFULLY!
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This note was uploaded on 02/10/2011 for the course CHEM 2420 taught by Professor Staff during the Spring '08 term at Univeristy of Wyoming- Laramie.

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asu-o2hf1-ans - CHEM 234, Spring 2008 Final Exam Ian R....

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