1 1 bi 2 naphthol

Mono-(6-amino-6-deoxy)-β-cyclodextrin (NH₂-β-CD, purity ≥98%) was purchased from Shandong Binzhou Zhiyuan Biotechnology Co (Binzhou, China). 4,4′-Thiobisbenzenethiol (purity ≥98%), 2,2′-azobis(2-methylpropionitrile) (AIBN, purity ≥98%), 3-isocyanatopropyltriethoxysilane (purity ≥98%), formic acid (FA), acetic acid (HOAc), and triethylamine (TEA) were purchased from Shanghai Aladdin Bio-Chem Technology Co (Shanghai, China). Allyl isocyanate (purity ≥98%) was obtained from Alfa Aesar (Tewksbury, MA, USA). Pyridine and acetone were provided by Sinopharm Chemical Reagent Co (Shanghai, China). Methanol (MeOH) and acetonitrile (ACN) (HPLC grade) purchased from Tedia (Shanghai, China). Sephadex C-25 was provided by Rui Da Heng Hui Science Technology Development Co (Beijing, China). Triazole racemic standards (purity ≥98%) were purchased from Shanghai Pesticide Research Institution (Shanghai, China). Flavanones, benzoin, praziquantel, 1,1-bi-2-naphthol, Tröger's base, and bicalutamide racemic standards were obtained from Sigma-Aldrich (St. Louis, MO, USA). Spherical silica gel (5 μm, 25 nm) was provided by Lanzhou Institute of chemical physics (Lanzhou, China). Pyridine was treated with calcium hydride and distilled before use. The water was of ultrapure grade.