- 20.21: Name each of the following: a. CH3 NH b. CH3 N CH3 H c. Cl N H d. C...
- 20.22: What are the products of the following reactions?
- 20.23: List the following compounds in order from strongest acid to weakes...
- 20.24: Which of the following compounds is easier to decarboxylate?
- 20.25: Rank the following compounds in order from most reactive to least r...
- 20.26: One of the following compounds undergoes electrophilic aromatic sub...
- 20.27: Benzene undergoes electrophilic aromatic substitution reactions wit...
- 20.28: The dipole moments of furan and tetrahydrofuran are in the same dir...
- 20.29: A tertiary amine reacts with hydrogen peroxide to form a tertiary a...
- 20.30: What products would be obtained by treating the following tertiary ...
- 20.31: The chemical shifts of the C-2 hydrogen in the spectra of pyrrole, ...
- 20.32: Explain why protonating aniline has a dramatic effect on the compou...
- 20.33: Explain why pyrrole (p Ka ' 17) is a much stronger acid than ammoni...
- 20.34: Propose a mechanism for the following reaction: 2 + H2C O CH2 HCl N...
- 20.35: Quinolines, heterocyclic compounds that contain a pyridine ring fus...
- 20.36: Propose a mechanism for each of the following reactions: a. CH3 O C...
- 20.37: What is the major product of each of the following reactions? a. + ...
- 20.38: a. Draw resonance contributors to show why pyridine- N -oxide is mo...
- 20.39: Propose a mechanism for the following reaction: + N O CH3 + N + O C...
- 20.40: Pyrrole reacts with excess para -( N,N -dimethylamino)benzaldehyde ...
- 20.41: 2-Phenylindole is prepared from the reaction of acetophenone and ph...
- 20.42: What starting materials are required to synthesize the following co...
- 20.43: Organic chemists work with tetraphenylporphyrins rather than with p...
Solutions for Chapter 20: More About Amines Reactions of Heterocyclic Compounds
Full solutions for Organic Chemistry | 7th Edition
A quantitative measure of the extent to which a compound absorbs radiation of a particular wavelength. A 5 log (I0/I ) where I0 is the incident radiation and I is the transmitted radiation
acid-dissociation constant (Ka)
An equilibrium constant that expresses the extent to which an acid transfers a proton to solvent water. (Section 16.6)
The product formed when the C"O group of a monosaccharide is reduced to a CHOH group.
An aldol addition followed by dehydration to give an a,bunsaturated ketone or aldehyde.
Organic bases that have the functional group —NR2, where R may be H, an alkyl group, or an aromatic group. (24.4)
A type of polypeptide secondary structure in which sections of polypeptide chains are aligned parallel or antiparallel to one another.
The peak caused by the most abundant ion in a mass spectrum; the most intense peak. It is assigned an arbitrary intensity of 100
A proton donor
For alkenes, a stereodescriptorthat indicates that the two priority groups are on opposite sides of the p bond.
Important biological molecules that catalyze virtually all cellular processes.
A substance with one or more unpaired electrons. (Section 21.9)
A naturally occurring mixture of gaseous hydrocarbon compounds composed of hydrogen and carbon. (Section 5.8)
The ease with which the electron cloud of an atom or a molecule is distorted by an outside influence, thereby inducing a dipole moment. (Section 11.2)
A polymer in which each monomer unit is joined to the next by an amide bond, as, for example, nylon 66.
Polymers made up of repeating monosaccharide units linked together by glycoside bonds.
A step-by-step description of how a chemical reaction occurs.
The threedimensional conformations of localized regions of a protein, including helices and b-pleated sheets.
Reactions in which one group is replaced by another group.
The sulfur analog of an ether; a molecule containing a sulfur atom bonded to two carbon atoms. Sulfi des are also called thioethers
The highest energy point on a reaction coordinate diagram. The chemical structure at this point is commonly called an activated complex.