湖南师范大学宋建新、周明波等报道Rh催化反应能够驱动温和反应反应条件中进行meso-pyrrol-2-yl Ni(II)的卟啉配合物与内炔烃反应,因此首次合成了七元环含有四个化学键(quadruply)的畴环Ni(II)卟啉分子,这个反应首次在卟啉底物实现了[5+2]成环反应,反应以meso-吡咯作为导向官能团。
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参考文献
Hui Shu, Mengjie Guo, Machongyang Wang, Mingbo Zhou, Bixiang Zhou, Ling Xu, Yutao Rao, Bangshao Yin, Atsuhiro Osuka, Jianxin Song, Efficient Synthesis of Multiply Seven-Membered-Ring Fused Porphyrins by Rhodium-Catalyzed [5+2] Annulation, Angew. Chem. Int. Ed. 2022
DOI: 10.1002/anie.202209594
https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.202209594