An Improved Synthesis of 1,4-Bis(3,4-dimethyl-5-formyl-2-pyrryl)butadiyne and 1,2-Bis(3,4-dimethyl-5-formyl-2-pyrryl)ethyne
作者:Dae Hyun Cho、Joon Ho Lee、Byeang Hyean Kim
DOI:10.1021/jo9909406
日期:1999.10.1
On the chemistry of pyrrole pigments, XCVI: An efficient synthesis of corrphycenes
作者:H. Falk、Q. -Q. Chen
DOI:10.1007/bf00807410
日期:1996.1
By means of copper catalyzed intramolecular coupling of the easily accessible 1,2-bis-(1-iodo-dipyrrin-9-yl)-ethanes and subsequent demetallation of the intermediate copper complexes corrphycenes could be prepared in nearly 40% overall yields.