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A novel red-emitting dye, PB-NH2, was synthesized by incorporation of an electron rich phenothiazine moiety to classical boranil dye. PB-NH2 displayed excellent photophysical properties, such as long emission wavelength, large Stokes shift, strong emission both in solution and in solid state. Based on this attractive platform, Probe 1, was constructed for selective detection of thiophenol. Notably,...
Six new cyclic octa depsipeptides, enduspeptides A-F (1–6), were isolated from the metabolites of a coal mine derived Streptomyces sp. strain. Their structures were elucidated by extensive spectroscopic analysis and chemical degradation. 1H1H COSY experiments were applied to identify the amino acid residues, while HMBC and ROESY correlations were used to determine their sequence. The absolute configurations...
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