Wen-Chun Zhang, Yan-Song Zheng and %-Tang Huang* ... Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100080, China. ... Abstract: Calixarenes 1 were directly nitrated with potassium nitrate and aluminum chloride to give p-nitrocalixarenes 2 in good yields. Formation of p-nitrocalix[4]arene (2a) fiom reaction of p-bromomethylcalix[4]arene (3) with siier nitrate is also described. ... Calixarenes are cavity-containing macrocyclic compounds which are ...
![5,11,17,23-Tetranitro-25,26,27,28-tetrahydroxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene Structure](https://image.chemsrc.com/caspic/247/109051-62-9.png)
