title: Synthesis of electron-deficient oxacalix[2]arene[2]triazines and their isomeric analogs from a one-pot reaction of perfluorinated dihydroxybenzenes with dichlorotriazines.
abstract: Efficient synthesis of tetraoxacalix[2]perfluoroarene[2]triazines and their isomeric analogs from a one-pot macrocyclic condensation reaction of methoxy- and amino-substituted dichlorotriazines with tetrafluorobenzene-1,3-, -1,4-, and -1,2-diols was developed. X-ray analysis demonstrates that they adopt drastically different 1,3-alternate conformations in the crystalline state while in solution they undergo very fast conformational changes relative to the NMR time scale.
authors: The Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.
authors: Chi
authors: C
authors: Yang
authors: Yin
authors: Y
authors: Chen
authors: De-Xian
authors: DX
authors: Wang
authors: Liang
authors: L
authors: Zhao
authors: Mei-Xiang
authors: MX
authors: Wang
mesh_terms: D047250:Calixarenes / Q000138:chemical synthesis* / Q000737:chemistry; D018360:Crystallography, X-Ray; D006843:Hydrocarbons, Chlorinated / Q000737:chemistry*; D006845:Hydrocarbons, Fluorinated / Q000138:chemical synthesis* / Q000737:chemistry; D007536:Isomerism; D009682:Magnetic Resonance Spectroscopy; D008958:Models, Molecular; D008968:Molecular Conformation; D015394:Molecular Structure; D010636:Phenols / Q000737:chemistry*; D014227:Triazines / Q000138:chemical synthesis* / Q000737:chemistry
chemical_list: D006843:Hydrocarbons, Chlorinated; D006845:Hydrocarbons, Fluorinated; D010636:Phenols; D014227:Triazines; D047250:Calixarenes