Fluorogenic stereochemical probes for transaldolases.

Abstract excerpt

Transaldolase catalyzes the transfer of dihydroxyacetone from, for example, fructose 6-phosphate to erythrose 4-phosphate. As a potential probe for assaying fluorescent transaldolase, 6-O-coumarinyl-fructose (1) was prepared in six steps from D-fructose. The corresponding 6-O-coumarinyl-5-deoxy derivative 2 was prepared stereoselectively from acrolein and tert-butyl acetate by a chemoenzymatic route involving...

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