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Straightforward acid-catalyzed synthesis of pyrrolyldipyrromethenes |
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| Authors: | Yu Changjiang Jiao Lijuan Tan Xujun Wang Jun Xu Yajun Wu Yangchun Yang Gaosheng Wang Zhaoyun Hao Erhong |
| Institution: | Laboratory of Functional Molecular Solids, Ministry of Education, School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, China. |
| Abstract: | Three for one: Pyrrolyldipyrromethenes having different functional groups were efficiently synthesized from POCl(3)-promoted condensations between 5-chloro-2-formylpyrrole or isoindole derivatives and suitable pyrrole or indole fragments through a novel nucleophilic aromatic substitution of the initially formed protonated azafulvene rings. |
| Keywords: | aromatic substitution dyes/pigments homogeneous catalysis nitrogen heterocycles synthetic methods |
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