Wittig Reaction *PPH3 H. NANH2 H. + Br + NH, + NaBr PPH3 H. THE + Ph,PO Assign the characteristic signals on the following IR spectrum. 100 BIO-RAD 95 - 90 85 - 80 trans-Stilbene 75 70 65 60 4000 3500 3000 2500 2000 1500 1000 500 Wavenumbers Why did we need to exclude water from the reaction? What would happen if too much water was present? Why do we need to do a recrystallization after running the column chromatography? % Transmittance 2900 3025.1 -

Wittig Reaction *PPH3 H. NANH2 H. + Br + NH, + NaBr PPH3 H. THE + Ph,PO Assign the characteristic signals on the following IR spectrum. 100 BIO-RAD 95 - 90 85 - 80 trans-Stilbene 75 70 65 60 4000 3500 3000 2500 2000 1500 1000 500 Wavenumbers Why did we need to exclude water from the reaction? What would happen if too much water was present? Why do we need to do a recrystallization after running the column chromatography? % Transmittance 2900 3025.1 -

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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