Abstract
An easy 2-step method for the synthesis of the water-soluble singlet oxygen trap AES has been developed. The method is based on a novel Heck reaction with sodium vinylsulfonate followed by vinyl hydrogenation. It is shownthat the Heck product AVS is also suitable as a water-soluble and colored singlet oxygen trap that allows singlet oxygen to be detected specifically and simply by visual inspection. The cumulative amount of 1 O 2 generated into the solution can be determined unambiguously by measuring the concentration of the endoperoxides AVSO 2 or AESO 2 by HPLC or by 1 H NMR.
Published Version
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