12-, 15-, and 18-Membered-ring nitrogen-pivot lariat ethers: syntheses, properties, and sodium and ammonium cation binding properties
作者:Rose Ann Schultz、Banita D. White、Dennis M. Dishong、Kristin A. Arnold、George W. Gokel
DOI:10.1021/ja00309a039
日期:1985.11
Preparation de pres de 50 etherslariat par cyclisation d'une amine ou d'un diol convenablement substitue. Formation de complexes avec lesions Na et NH 4
制备 de pres de 50 ethers lariat par cyclisation d'une amine ou d'un diol convenablement substitue。形成复合物 avec 病变 Na et NH 4
Synthesis of functionalised macrocyclic compounds as Na+ and K+ receptors: a mild and high yielding nitration in water of mono and bis 2-methoxyaniline functionalised crown ethers
作者:Thorfinnur Gunnlaugsson、H. Q. Nimal Gunaratne、Mark Nieuwenhuyzen、Joseph P. Leonard
DOI:10.1039/b205299g
日期:2002.8.23
yields of the desired products, both mono- and bis-nitration products were formed in good yield by one-pot synthesis using NaNO2 in a mixture of water and acetic acid (10 ∶ 1). The use of X-ray crystallography proved the presence of the nitro-substituted products. An investigation into this mild nitration method revealed that the substitution pattern on the aromatic ring governed the ability of the compounds