The IUPAC name of is the following compound (a)...

The IUPAC name of is the following compound
(a) $1,2,3$-tricarboxy-2-hydroxy propane
(b) 3 -carboxy $-3$-hydroxy- 1,5 -pentane dioic acid
(c) 2 -hydroxy-3-carboxy pentan 1,5 -dioic acid
(d) 3 -hydroxypropane- $1,2,3$-tricarboxylic acid

Key Concepts

IUPAC Nomenclature

IUPAC nomenclature is the standardized method for naming chemical compounds in a systematic and unambiguous way, ensuring that each compound has a unique name. It involves applying a set of rules to determine the parent structure, identify substituents and functional groups, and assign locants, thereby enabling clear communication among chemists globally.

Functional Group Priority

Functional group priority is the order in which different functional groups are ranked when naming a compound. In compounds with multiple functional groups, the group with the highest priority is usually used as the principal functional group, which dictates the suffix of the compound’s name. Lower priority groups are then treated as substituents with appropriate prefixes.

Parent Structure Selection

The parent structure in organic nomenclature is the longest or most complex continuous carbon chain that contains the highest priority functional group(s). The selection of the correct parent chain is crucial because it determines the base name of the compound and influences the numbering sequence that minimizes the locants of the most important substituents and functional groups.

Numbering and Locants Assignment

Numbering in organic nomenclature involves assigning numbers to the carbon atoms in the parent chain in a way that gives the substituents and functional groups the lowest possible locants. This principle ensures that the position of each group is clearly indicated and minimizes ambiguity in the molecular structure description.

Substituent Nomenclature

Substituent nomenclature involves naming and positioning additional groups attached to the parent structure. When a compound contains groups such as hydroxy or carboxy substituents, they are identified with their own prefixes and locants, and their names are integrated into the complete systematic name of the compound according to priority rules.

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