Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Chapter 20, Problem 43P
Organic chemists work with tetraphenylporphyrins rather than with porphyrins because tetraphenylporphyrins are much more resistant to air oxidation, Tetraphenylporphyrin can be prepared by the reaction of benzaldehyde with pyrrole. Please a mechanis, for the formation of the ring system shown here:
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Chapter 20 Solutions
Organic Chemistry
Ch. 20.1 - Name the following:Ch. 20.2 - Prob. 2PCh. 20.2 - Prob. 3PCh. 20.3 - Draw the product of each of the following...Ch. 20.5 - Prob. 6PCh. 20.5 - When pyrrole is added to a dilute solution of...Ch. 20.5 - Explain why cyclopentadiene (pKa = 15) is more...Ch. 20.6 - Prob. 10PCh. 20.6 - How to the mechanisms of the following reactions...Ch. 20.6 - Prob. 12P
Ch. 20.6 - Rank the following compounds from easiest to...Ch. 20.7 - Prob. 14PCh. 20.7 - Prob. 15PCh. 20.7 - Prob. 16PCh. 20.7 - Prob. 17PCh. 20.7 - Prob. 18PCh. 20.7 - Prob. 19PCh. 20.7 - Prob. 20PCh. 20 - Name the following:Ch. 20 - Prob. 22PCh. 20 - Prob. 23PCh. 20 - Which of the following compounds is easier to...Ch. 20 - Rank the following compounds from most reactive to...Ch. 20 - One of the following compounds undergoes...Ch. 20 - Benzene undergoes electrophilic aromatic...Ch. 20 - The dipole moments of furan and tetrahydrofuran...Ch. 20 - Prob. 29PCh. 20 - Prob. 30PCh. 20 - The chemical shifts of the C-2 hydrogen in the...Ch. 20 - Explain why protonating aniline has a dramatic...Ch. 20 - Prob. 33PCh. 20 - Propose a mechanism for the following reaction:Ch. 20 - Prob. 35PCh. 20 - Propose a mechanism for the following reactions:Ch. 20 - Prob. 37PCh. 20 - a. Draw resonance contributors to show why...Ch. 20 - Prob. 39PCh. 20 - Pyrrole reacts with excess...Ch. 20 - Prob. 41PCh. 20 - Prob. 42PCh. 20 - Organic chemists work with tetraphenylporphyrins...
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