The compounds aggregate to form double helices in the solution state, an interesting discovery, as artificial double helices are very rare.
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Self-complementary hydrogen-bonded duplexes and helices based on bis(pyrrolyl)carbohydrazide derivatives
Dehui Hu, Zhipei Yang, Guoqi Zhang, Min Liu, Junfeng Xiang, Tongling Liang, Jinshi Ma and Guoqiang Yang
CrystEngComm, 2011, DOI: 10.1039/C1CE05542A
