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Near‐infrared (NIR) dyes are desirable for biological imaging applications including photoacoustic (PA) and fluorescence imaging. Nonetheless, current NIR dyes are often plagued by relatively large molecular weights, poor water solubility, and limited photostability. Herein, we provide the first examples of azaphosphinate dyes which display desirable properties such as low molecular weight, absorption/emission...
Apratoxin A, a cyclodepsipeptide isolated from a marine cyanobacterium, demonstrates potent cytotoxicity against cancer cell lines by a unique mechanism. A lactam analogue of apratoxin A, named as amidapratoxin A, was efficiently synthesized over 22 linear steps in 2.1% overall yield for the first time. The further conformation analysis was conducted by NMR techniques and computer-based molecular...
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