Chemistry Organic Building Blocks Carboxylic Acid Salts
A carboxylate is an anionic species in organic chemistry that results from the deprotonation of a carboxylic acid, denoted as RCOO- (or RCO2-). This ion carries a negative charge.
Carboxylate salts, characterized by the general formula M(RCOO)n, where M represents a metal and n can be 1, 2, or more, are a type of salts.
Deprotonating a carboxylic acid results in the formation of carboxylate ions. These types of acids usually have a pKa value below 5, indicating their ability to be deprotonated by various bases like sodium hydroxide or sodium bicarbonate.
After deprotonating the carboxyl group, the negative charge is spread out between the two electronegative oxygen atoms in a resonance structure.
The basicity of the carboxylate will be further diminished if the R group is an electron-withdrawing group (such as –CF3).
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(1R,3S,5R)-2-azabicyclo[3.1.0]hexane-3-carboxylic acid hydrochloride
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Methyl 6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate hydrochloride