A versatile strategy for the synthesis of crown ether-bearing heterocycles: Discovery of calcium-selective fluoroionophore
作者:Yuko Aoki、Naoki Umezawa、Yuko Asano、Keiichiro Hatano、Yuki Yano、Nobuki Kato、Tsunehiko Higuchi
DOI:10.1016/j.bmc.2007.07.035
日期:2007.11
modified in various ways in the search for new functions, but few examples are known of crown ethers incorporating heterocycles in macro-ring systems. Here we report a simple and versatile synthesis of crown ether-bearing heterocycles. An acylurea moiety in the heterocycles is efficiently transformed to 'crown ether' of various ring sizes. The products included a Ca(2+)-selective fluoroionophore. Our
为了寻找新的功能,杂环已经以各种方式被修饰,但是很少有人知道在大环系统中掺入杂环的冠醚。在这里,我们报告了一种简单而通用的冠状含醚杂环的合成方法。杂环中的酰脲部分被有效地转化为各种环大小的“冠醚”。产品包括Ca(2 +)-选择性氟离子载体。我们的简单方法有望提供许多新颖的功能性杂环化合物,包括氟离子载体和候选药物。