Synthesis of Benzimidazolo-Fused Purpurin-18 Derivatives with the Basic Skeleton of Chlorophyll
Liu Ranran, Wang Lumin, Yin Jungang, Wu Jin, Liu Chao, Zhang Peng, Wang Jinjun
Chin. J. Org. Chem. . 2012, (02): 318 -325 .  DOI: 10.6023/cjoc1107064