摘要
A new type of bile pigments. 1, 2-bisdipyrrinone-ethylenes(1).were obtained with promising yields (25, 28, 28.5%, for the respective samples) by bromine oxidation of dipyrrinones (2) in methylene chloride.
A new type of bile pigments. 1, 2-bisdipyrrinone-ethylenes(1).were obtained with promising yields (25, 28, 28.5%, for the respective samples) by bromine oxidation of dipyrrinones (2) in methylene chloride.