Chapter 15: Q 15-15-18 E-f (page 477)
Give IUPAC names for the following compounds
f)
Short Answer
f)
4-chloroaniline
Chapter 15: Q 15-15-18 E-f (page 477)
Give IUPAC names for the following compounds
f)
f)
4-chloroaniline
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Get started for freeAzo dyes are the major source of artificial color in textiles and food. Part of the reason for their intense coloring is the conjugation from an electron-donating group through the diazo bridge to an electron-withdrawing group on the other side. For the azo dyes below, draw a resonance form that shows how the electron-donating group is related to the electron-withdrawing group on the other side of the diazo bridge. Used curved arrows to show how the electrons are reorganized.
a.
Methyl orange
b.
C.I. Acid Red 74
Thiamin, or vitamin B1, contains a positively charged five-membered nitrogen–sulfur heterocycle called a thiazolium ring. Explain why the thiazolium ring is aromatic.
Which would you expect to be most stable, Cyclononatetraenyl radical, cation, or anion?
The proton NMR spectrum for a compound with formula is shown below. The infrared spectrum has a strong band at . The normal carbon-13 NMR spectral results are tabulated along with the DEPT-135 and DEPT-90 information. Draw the structure of this compound.
All-cis cyclodecapentaene is a stable molecule that shows a single absorption in its NMR spectrum at . Tell whether it is aromatic, and explain its NMR spectrum.
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