Modification for the E-Ring of 13 2-Oxo-pyropheophorbide-a and Synthesis of Chlorin Derivatives
Wu Xuran, Liu Chao, Yang Ze, Yao Nannan, Wang Jinjun
Chin. J. Org. Chem. . 2012, (03): 632 -638 .  DOI: 10.6023/cjoc1108192