Add time:09/26/2019         Source:sciencedirect.com

A new method has been developed to synthesize fluorescein labeled peptides, compounds of increasing importance in bioorganic chemistry, cell biology, pharmacology, drug targeting and medicinal chemistry. We show, that 4(5)-carboxyfluorescein is much more efficient than the hitherto predominantly utilized reagents 4(5)-carboxyfluorescein-N-succinimidylester and 4(5)-fluoresceinisothiocyanate.

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