Robuta

https://pubs.rsc.org/en/Content/ArticleLanding/2012/PY/C2PY20285A Pillar[5]arene-based supramolecular polypseudorotaxanes constructed from quadruple hydrogen bonding... Novel linear supramolecular polypseudorotaxanes constructed from bifunctional ureidopyrimidinone (UPy) pillar[5]arene as the wheel and alkyl diamine as the... pillararenebased