Learn the important physical properties of the amines and amides • Learn the major chemical reactions of amines and amides, and learn how to predict the
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20 jan 2002 · Chapter 16 – Amines and Amides 16 1 Occurrence, Names, and Physical Properties of Amines An amine is basically an ammonia molecule
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Typically amides are less soluble than comparable amines and carboxylic acids since these compounds can both donate and accept hydrogen bonds, and can
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Chemistry C or H) is less than 109 5°; for instance, it is 108o in case of trimethylamine as shown in alkyl or aryl group takes place from carbonyl carbon of the amide boiling points of isomeric amines is as follows: 13 5 Physical Properties
[PDF] Chapter 6 Amines and Amides - Angelo State University
Learn the important physical properties of the amines and amides • Learn the major chemical reactions of amines and amides, and learn how to predict the
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32 Chapter 13 Carboxylic Acids, Ester, Amines, and Amides 13 4 Amines 62 Physical Properties of Amides Amides • that are primary (−NH 2 )
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Chapter 6 Amines and Amides
Mr. Kevin A. Boudreaux
Angelo State University
CHEM 2353 Fundamentals of Organic Chemistry
Organic and Biochemistry for Today (Seager & Slabaugh) www.angelo.edu/faculty/kboudreaChapter Objectives:
•Learn to recognize the amine and amide functional groups. •Learn the IUPAC system for naming amines and amides. •Learn the important physical properties of the amines and amides. •Learn the major chemical reactions of amines and amides, and learn how to predict the products of amide synthesis and hydrolysis reactions. •Learn some of the important properties of condensation polymers, especially the polyamides.Chapter 6
Amines and Amides
2Nitrogen-Containing Functional Groups
• Nitrogen is in Group V of the periodic table, and in most of its compounds, it has three single bonds and one lone pair:
• In this chapter, we will take a look at two functional groups which contain nitrogen atoms connected to carbons: the amines and the amides.
RCO N R"R' Amide NRR'' R' Amine NChapter 6 Amines and Amides
3Classification and
Nomenclature of Amines
4Amines
• Amines and amides are abundant in nature. They are a major component of proteins and enzymes, nucleic acids, alkaloid drugs, etc. (Alkaloids are N-containing, weakly basic organic compounds; thousands of these substances are known.)
•Aminesare organic derivatives of ammonia, NH 3 , in which one or more of the three H's is replaced by a carbon group.• Amines are classified as primary(1°), secondary (2°), or tertiary(3°), depending on how many carbon groups are connected to the nitrogen atom.
NRR'' R'3° Amine
NRH H1° Amine
NRH R'2° Amine
NHH HAmmonia
Chapter 6 Amines and Amides
5Examples: Classifying Amines
• Classify the following amines as primary (1°), secondary (2°), or tertiary (3°). NCH 3 CH 2 CH 2 H H NCH 3 CH 3 CH 3 CH 3 CH 2 CHCH 3 NH 2 NCH 3 CH 2 H CH 3NH N 6Nomenclature of Amines
•Simple 1°, 2°, and 3° amines: common (trivial) names are obtained by alphabetically arranging the names of the alkyl substituents on the nitrogen and adding the suffix -amine(e.g., ethylmethylamine).
•Amines in the IUPAC system: the "e" ending of the alkane name for the longest chain is replaced with -amine. The amine group is located by the position number. Groups that are attached to the nitrogen atom are located using "N" as the position number. More complex primary amines are named with - NH
2 as the aminosubstituent.•Aromatic amines: named as derivatives of the parent compound aniline. Substituents attached to the nitrogen are indicated by using "N-" as the location number.
NH 2 anilineChapter 6 Amines and Amides
7Examples: Nomenclature of Amines
• Provide common names for the following 2° and 3°amines; for 1° amines, provide common and/or IUPAC names where possible.
CH 3 NH 2 CH 3 NCH 3 H CH 3 CH 2 CH 2 NH 2 CH 3 NCH 2 CH 3 H 8Examples: Nomenclature of Amines
• Provide common names for the following 2° and 3°amines; for 1° amines, provide common and/or IUPAC names where possible.
CH 3 CH 2 CH 2 CHCH 3 NH 2 CH 3 NCH 3 CH 3 CH 3 CHCH 2 CH 2 NH 2 NH 2 CH 3 CH 2 CH 2 CHCH 3 NHCH 3Chapter 6 Amines and Amides
9Examples: Nomenclature of Amines
• Provide common names for the following 2° and 3°amines; for 1° amines, provide common and/or IUPAC names where possible.
CH 3 CCH 2 CH 2 CH 2 CHCH 3 ONH 2 OH NH 2 10