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Updated: Jun 1, 2026
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Microwave-assisted One-pot Synthesis of N-succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)
Published on: June 28, 2011
Bis(4-methyl-imidazolium) succinate succinic acid solvate
Abstract:
In the title compound, 2C(4)H(7)N(2) (+)·C(4)H(4)O(4) (2-)·C(4)H(6)O(4), the asymmetric unit consists of two 4-methyl-imidazolium cations, one succinate dianion and one netrual succinic acid mol-ecule and within the latter components, the C-O, C=O and C O bonds are clearly evidenced from their relative distances. In the crystal structure, the individual components are linked by inter-molecular N-H⋯O, O-H⋯O and C-H⋯O hydrogen bonds into a two-dimensional network parallel to the (101) plane in which R(3) (3)(9), R(3) (3)(12) and R(4) (4)(18) hydrogen-bond motifs are present.
Related Concept Videos
Solvating Effects
Nomenclature of Carboxylic Acid Derivatives: Acid Halides, Esters, and Acid Anhydrides
The IUPAC and common names of acid halides are derived from the corresponding carboxylic acids, by changing “ic acid” to “yl halide.” For example, as shown below, the IUPAC name ethanoyl chloride is derived from ethanoic acid, and the common name, acetyl chloride, is obtained from acetic acid.
Ions as Acids and Bases
Salts are ionic compounds composed of cations and anions, either of which may be capable of undergoing an acid or base ionization reaction with water. Aqueous salt solutions, therefore, may be acidic, basic, or neutral, depending on the relative acid-base strengths of the salt’s constituent ions. For example, dissolving the ammonium chloride in water results in its dissociation, as described by the equation:
Solubility of Ionic Compounds
Formation of Complex Ions
Solvents
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