LOD WHICH D 4000 3000 IR - Benzoin 2000 1500 1000 500 HAVENUMBERI -11 3418 7 1455 64 1263 26 983 47 696 10 3380 13 1450 20 1208 23 978 35 683 25 3061 70 1390 55 1180 50 929 60 675 36 1679 4 1943 60 1093 38 856 62 622 38 1596 33 1318 66 1070 34 833 5B 613 36 1579 47 1492 65 1278 4B 1508 55 1028 88 755 9 597 35 OH CH C одго 1005 68 706 B БІЗ 33 Figure 2: Mechanism of the condensation of benzaldehyde to benzoin using thiamine as the catalyst. :ÖH OH 요 *The Th H-OH :OH Ph H Th ou Th thiamine OH :Ö: Th Ph 4-дн OH OH OH Ph Ph Ph Th OH OH

LOD WHICH D 4000 3000 IR - Benzoin 2000 1500 1000 500 HAVENUMBERI -11 3418 7 1455 64 1263 26 983 47 696 10 3380 13 1450 20 1208 23 978 35 683 25 3061 70 1390 55 1180 50 929 60 675 36 1679 4 1943 60 1093 38 856 62 622 38 1596 33 1318 66 1070 34 833 5B 613 36 1579 47 1492 65 1278 4B 1508 55 1028 88 755 9 597 35 OH CH C одго 1005 68 706 B БІЗ 33 Figure 2: Mechanism of the condensation of benzaldehyde to benzoin using thiamine as the catalyst. :ÖH OH 요 *The Th H-OH :OH Ph H Th ou Th thiamine OH :Ö: Th Ph 4-дн OH OH OH Ph Ph Ph Th OH OH

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Based on the spectra provided, draw the structure. Label each unique carbon and hydrogen with the letters A, B, C… for use in assigning NMR peaks. fill in the data table assigning peaks in each spectrum. You should assign: • All 1H NMR peaks • Significant IR peaks above 1600 cm Example of what the table should include (imagine the structure of ethanol is drawn with the CH3 hydrogens labeled as A, the CH2 hydrogens labeled as B, and the OH hydrogen labeled as C) : hydrogen proton chemical shift integration splitting pattern couples to.. A 1.2 3 triplet B B 3.7 2 quartet A C 2.6 1 singlet -
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Predict the possible identity of the Unknown A compound given the IR spectrum, H NMR spectrum, and measured melting point. Label the absorptions for the IR spectrum and label/match the identified structures hydrogens to the signals in the H NMR spectrum. Observed melting point in exp: ~119-123 degress celsius.
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