Halogen-bonding-induced diverse aggregation of 4,5-diiodo-1,2,3-triazolium salts with different anions.,Beilstein Journal of Organic Chemistry

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Halogen-bonding-induced diverse aggregation of 4,5-diiodo-1,2,3-triazolium salts with different anions.
Beilstein Journal of Organic Chemistry ( IF 2.7 ) Pub Date : 2020-01-13 , DOI: 10.3762/bjoc.16.10
Xingyu Xu ₁ , Shiqing Huang ₁ , Zengyu Zhang ₁ , Lei Cao ₁ , Xiaoyu Yan ₁

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The synthesis of 4,5-diiodo-1,3-dimesityl-1,2,3-triazolium salts with different anions have been developed. These triazolium salts show diverse aggregation via halogen bonding between C-I bonds and anions. Triazolium with halide anions exists as a tetramer with saddle conformation. Triazolium tetrafluoroborate exists as a trimer with Chinese lantern shape conformation. Triazolium trifluoroacetate and acetate exist as dimers, respectively, while the former shows boat conformation and the latter forms rectangle conformation. Triazolium salts form a linear polymer with polyiodide.

更新日期：2020-01-13

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