[PDF] [PDF] NOMENCLATURE IN ORGANIC CHEMISTRY

[PDF] Short Summary of IUPAC Nomenclature of Organic Compounds

IUPAC nomenclature is based on naming a molecule's longest chain of carbons atoms other than carbon and hydrogen, are indicated by prefixes or suffixes according to a specific set of priorities II of steps, as indicated on the examples below: of chain) (Notes: 1 An “e” is dropped if the letter following it is a vowel:  

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various functional classes organic compounds, as well as the relationship between compounds that have The next page contains examples of compounds containing the thirteen common compounds for the same formula C6H11BrO

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IUPAC system of nomenclature and also derive their structures from the given ( ii) Various ways of representing 2-bromo examples of various types of aromatic Table 12 4 Some Functional Groups and Classes of Organic Compounds 

[PDF] NOMENCLATURE IN ORGANIC CHEMISTRY

(ii) Naming Various Classes of Organic Compounds 14 A Ethers and The following example gives the name of an alkane having a branched side chain:

[PDF] Organic Chemistry - Nomenclature - Bansal Classes

11 Nomenclature of Spiro compounds 42 12 Exercise - 1 46 Exercise - 2 53 Exercise - 3 58 Mainly three systems are adopted for naming an organic compound : – (i) Common Names or Acrylic anhydride SOLVED EXAMPLE Q 1

[PDF] Nomenclature of Organic compounds - KEA

h d h i ffi hil attached to the primary suffix while writing the IUPAC name Page 12 Class of functional secondary compounds group suffix

[PDF] Principles of Chemical Nomenclature - iupac

Sequence of citation of symbols, 11 Functional class nomenclature, 96 5 Examples 9 C(CH3) 10 CH3-[CH2]5-CH3 11 CaCl 12 [{Fe(CO)3}3(CO)2]2

[PDF] Nomenclature

What is IUPAC nomenclature? • A systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied 

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Examples: polychlorinated biphenyls, caffeine, steroids, organic solvents ( toluene, xylene) C11-5- Include: up to 6-C alcohols and 6-C organic acids, IUPAC nomenclature C11-5- GRADE 11 CHEMISTRY • Topic 5: Organic Chemistry Microscale Chemistry Laboratory Manual (Slater and Rayner- Canham 82—ester

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In this chapter, we consolidate the nomenclature of a number of classes Examples are given below CW:,-CH2 CH3 I I 4-ethyl-3-methyl heptane

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NOMENCLATURE IN ORGANIC CHEMISTRY

Contents

1. INTRODUCTION

2. HYDROCARBONS

(i) Alkanes

A. Unbranched Chains 3

B. Unbranched chains 4

(ii) Alkenes

A. One double bond 5

B. More than one double bond 5

C. E/Z Isomers in Alkenes 6

(iii) Alkynes 8 (iv) Combined Alkenes and Alkynes 8 (v) Cyclic Hydrocarbons 9

3. COMPOUNDS CONTAINING HALOGENS AND NITRO GROUPS

4. COMPOUNDS WITH FUNCTIONAL GROUPS NAMED AS SUFFIXES

(i) General Naming Scheme 12

A. Choosing the Principal Chain 13

B. Naming the Principal Chain 13

C. Numbering the Principal Chain 13

(ii) Naming Various Classes of Organic Compounds 14

A. Ethers and Thioethers 14

B. Alcohols and Thiols 14

C. Acids, Salts of Acids and Acid Anhydrides 15

D. Esters 17

E. Acid Halides 18

F. Amides 18

G. Nitriles 19

H. Aldehydes 19

I. Ketones 21

J. Amines and Ammonium Salts 22

5. AROMATIC COMPOUNDS

(i) General Notes 23 (ii) Aromatic Hydrocarbons 23 (iii) Substituted Aromatic Hydrocarbons 24

2 A. Halogen and Nitro- Substituted Aromatics 24

B. Carboxylic Acids and Derivatives 24

C. Phenols and Thiophenols 25

D. Aldehydes and Ketones 26

E. Sulfonic acids and Sulfonic Acid Derivatives 27

F. Aromatic Amines 28

G. Diazonium Salts 29

6. RADICOFUNCTIONAL NAMING

A. Alkyl Halides 29

B. Alcohols 29

C. Ketones 30

D. Nitriles (or Cyanides) 30

E. Grignard Reagents 30

Revised and updated

Professor L D Field

May 2004

NOMENCLATURE IN ORGANIC CHEMISTRY

1. INTRODUCTION It is important that organic compounds are

corrrectly and unambiguously named so that there

can be absolutely no confusion about what compounds are actually being reported or described. There have been many conventions

for naming organic compounds - some have had limit scope or become embedded in common us age and some have persisted over time

The International Union of Pure and Applied Chemistry (I.U.P.A.C.) periodically reviews naming practice, attempting to standardise nomenclature. The following guidelines for organic nomenclature are based on the def

initive rules published by I.U.P.A.C. (the International Union of Pure and Applied Chemistry). 2. HYDROCARBONS (i) The Alkanes (C 2n+2

A. Unbranched Chains The first four (n=1-4) unbranched chain saturated hydrocarbons are called methane, ethane, propane and butane. After this, there is a numerical term (of Greek origin) followed by the ending "-ane". The first twelve members are given in Table 1. Table 1. The names of the first 12 linear alkanes

n Name Molecular formula Constitutional formula 1 methane CH

2 ethane C

3 propane C

4 butane C

5 pentane C

6 hexane C

7 heptane C

8 octane C

9 nonane C

10 decane C

11 undecane C

12 dodecane C

The group derived from one of these alkanes by

removal of a terminal (end) hydrogen is

called an alkyl group. The group name is found by removing "ane" from the alkane name and adding "yl". Example:

-CH -CH -CH butane becomes CH -CH -CHquotesdbs_dbs7.pdfusesText_5