< IUPAC Nomenclature Basics | Important Questions for SSC JE 2018 | How to write IUPAC Names Part1

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Sunday, 10 December 2017

IUPAC Nomenclature Basics | Important Questions for SSC JE 2018 | How to write IUPAC Names Part1



IUPAC

International Union of Pure and
Applied Chemistry
Standardized rules to avoid duplicate names
a unique name for Compounds

Important Terminology
Alkanes - saturated hydrocarbons


How to name organic compounds using the
IUPAC rules
Determine the longest carbon chain. In cyclic compounds, the ring is
usually considered the parent chain, unless it is attached to a longer
chain of carbons; indicate a ring with the prefix “cyclo” before the roo
name
Assign numbers to each C of the parent chain
Naming Side Chains
Indicate the number of identical groups by the prefixes di, tri, tetra etc.
Identify all of the substituents (groups appending from the parent chain).
Attach a prefix Place the position numbers and names of the substituents
groups, in alphabetical order, before the root name. In alphabetizing,
ignore prefixes like sec-, tert-, di, tri, etc., but include iso and cyclo



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