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Role of calcium in phototoxicity of 2-butylamino-2-demethoxy-hypocrellin A to human gastric cancer MGC-803 cells

✍ Scribed by Zhixiang Zhou; Hongying Yang; Zhiyi Zhang

Book ID
114150299
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
401 KB
Volume
1593
Category
Article
ISSN
0167-4889

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A novel photosensitizer, 2-butylamino-2-demethoxy-hypocrellin A (2-BA-2-DMHA) 1. Synthesis of 2-BA-2-DMHA and its phototoxicity to MGC803 cells
✍ Wen-Geng Zhang; Min Weng; Su-Zhen Pang; Man-Hua Zhang; Hong-Ying Yang; Hong-Xia πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 842 KB

The reaction of hypocrellin A (HA) with n-butylamine in pyridine under reflux leads to the formation of 2-butylamino-2-demethoxy-hypocrellin A (2-BA-2-DMHA), which is illustrated by ultraviolet-visible absorption spectra, proton nuclear magnetic resonance spectra, infrared spectra and mass spectra.