Identification of cyclic nucleotide derivatives synthesized for radioimmunoassay development by fast atom bombardment with collision-induced dissociation and mass-analysed ion kinetic energy spectroscopy
1993
The syntheses of 2′-O-succinyl, 2′-O-succinyltyrosinyl methyl ester and 2′-O-succinyliodotyrosinyl methyl ester derivatives of a cyclic nucleotide, derivatives necessary for the successful development of a specific radioimmuno-assay, are described. Fast atom bombardment with collision-induced dissociation and mass-analysed ion kinetic energy spectroscopy were used to verify the positions of substitution and the retention of the 3′,5′-cyclic phosphate moiety. Comparison of spectra produced after different iodination times permitted the optimization of the reaction conditions.
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