Planar Subporphyrin Borenium Cations
收藏Figshare2016-02-23 更新2026-04-29 收录
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Subporphyrin borenium cations with a carborane counterion have been prepared by treatment of B-methoxy subporphyrins with the silylium reagent Et3Si(CH6B11Br6). In contrast to the distinctly domed subphthalocyanine borenium cation, a nearly planar structure with sp2 hybridized boron is found in the X-ray structure of the triphenylsubporphyrin borenium cation. The cations exhibit absorption and fluorescence spectra that are quite similar to those of B-methoxy subporphyrins. B-phenyl subporphyrins were prepared in good yield by reaction of subporphyrin borenium cations with phenyllithium.
创建时间：
2016-02-23
