3. (10 pt, graduate) The following reaction between a phosphorus ylid and an aldehyde gives a hydrocarbon, C10H13, with the following ¹H and 13C NMR spectral data. Give the structures of both starting aldehyde and product alkene. Use spectral data to support your answer and comment on the stereochemistry of the product based on the coupling constant values. + -PPh3 + Aldehyde Product + Ph3P=0 1H NMR (CDCl3, 500 MHz): 8 7.22 (2H, d, J = 8.0 Hz), 7.09 (2H, d, J = 8.0 Hz), 6.36 (1H, d, J = 16.0 Hz), 6.18 (1H, dq, J = 16.0, 6.3 Hz), 2.32 (3H, s), 1.86 (3H, d, J = 6.9 Hz) 13C{1H} NMR (125 MHz, CDC13): 8 136.4, 135.2, 130.9, 129.2, 125.8, 124.7, 21.2, 18.5.

3. (10 pt, graduate) The following reaction between a phosphorus ylid and an aldehyde gives a hydrocarbon, C10H13, with the following ¹H and 13C NMR spectral data. Give the structures of both starting aldehyde and product alkene. Use spectral data to support your answer and comment on the stereochemistry of the product based on the coupling constant values. + -PPh3 + Aldehyde Product + Ph3P=0 1H NMR (CDCl3, 500 MHz): 8 7.22 (2H, d, J = 8.0 Hz), 7.09 (2H, d, J = 8.0 Hz), 6.36 (1H, d, J = 16.0 Hz), 6.18 (1H, dq, J = 16.0, 6.3 Hz), 2.32 (3H, s), 1.86 (3H, d, J = 6.9 Hz) 13C{1H} NMR (125 MHz, CDC13): 8 136.4, 135.2, 130.9, 129.2, 125.8, 124.7, 21.2, 18.5.

Understanding Business

12th Edition

ISBN:9781259929434

Author:William Nickels

Publisher:William Nickels

Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment

Section: Chapter Questions

Problem 1CE

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