Thieno[3,4- d ]pyrimidin-4(3 H )-thione: an effective, oxygenation independent, heavy-atom-free photosensitizer for cancer cells

It is demonstrated that thieno[3,4- d ]pyrimidin-4(3 H )-thione is an effective, oxygenation independent, heavy-atom-free photosensitizer against mono-layer of melanoma and cervical cancer cells.