Synthesis of Novel Streptonigrin 2-Amide Derivatives with 3,3'-(Phenylphosphoryl)bis(1,3-thiazolidine-2-thione)
Novel streptonigrin 2-amide derivatives have been efficiently synthesized without protection by using 3,3'-(phenylphosphoryl)bis(1,3-thiazolidine-2-thione) (PPBTT) as a chemoselective condensing agent.
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