1 carboxylic acid (2D) suffix: -oic acid prefix: #- 3o amides: prefix: N-alkyl-N- alkyl suffix: -amide prefix when lower priority functional group: 1o amides: prefix:
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Systematic (IUPAC) naming: functional groups gjr-–- 3 Functional group Structure Suffix Prefix General form acid R OH O –oic acid –carboxylic acid
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In organic chemistry, functional groups are specific groups of atoms within molecules that are responsible named with prefix – i e as substituents –, or suffix forms – i e as part of the parent name of the molecule Carboxylic acid derivatives
Priority of Functional Groups
most important functional groups in organic chemistry In aldehydes, the the aldehyde group is attached to a ring, the suffix carbaldehyde is added after the full
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Substitutive Names (Prefixes and Suffixes) for Some Important Functional Groups Aldehyde CHO formyl -al Ketone RC(O)R oxo -one Alcohol -OH hydroxy - ol Functional group is part of the parent compound; suffix is added to name of
NomenclaturePriorities
TABLE A 2 Classification of Functional Groups for Purposes of Nomenclature" Functional- group class Name when used as suffix Structure Name when used as prefix Principal groups -carboxylic acid 0 0 Carboxylic anhydrides
nomenclature
Aldehyde -oxygen -C=O double bond -one H connected to C=O 8 Ketone Twelve To Remember: The Functional Groups 11 Suffix (or Prefix) Used in
Functional Groups
If neither is hydrogen, the compound is a ketone Naming Aldehydes The IUPAC system of nomenclature assigns a characteristic suffix -al to aldehydes For
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COMPOUNDS WITH FUNCTIONAL GROUPS NAMED AS SUFFIXES 12 (i) General Naming Scheme D Aldehydes and Ketones 26 E Sulfonic acids and
Organic Nomenclature
hydroxy- amino-. Structure. Family of Compound. Carboxylic Acid. Aldehyde. Ketone. Alcohol Group A—Functional Groups Indicated By Prefix Or Suffix.
Substitutive Names (Prefixes and Suffixes) for Some Important Functional Groups. (Arranged in Descending Order or Preferences for Citation as Suffixes).
When compounds contain more than one functional group the order of precedence determines which groups are named with prefix – i.e. as substituents –
Suffixes for Functional Groups. Alkenes (contain C=C): Add "ene" to the root name Aldehydes (contain terminal C=O): Add "anal" to the root name.
TABLE A.2 Classification of Functional Groups for Purposes of Nomenclature". Functional- group class. Name when used as suffix. Name when used as prefix.
Learn to recognize the aldehyde and ketone functional groups. •. Learn the IUPAC system for naming named by preceding the suffix with a counting.
most important functional groups in organic chemistry. In aldehydes the carbonyl the aldehyde group is attached to a ring
By suffix it is meant that the parent functional group is numbered such that the aldehyde carbon is in the "1" position
nomenclature prefixes and suffixes (if present). Some functional groups have a suffix name when they are the highest priority functional ... 4. aldehyde.
acyl chloride. Type of compound. Formula. Suffix. Example aldehyde and 2 x 2 box contains information types of compound: alcohol aldehyde
Short Summary of IUPAC Nomenclature of Organic Compounds