作者: George W. Gokel , Stephen H. Korzeniowski
DOI: 10.1007/978-3-642-68451-7_4
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摘要: Almost as soon Pedersen announced his discovery of the crown ethers (see Chaps. 2 and 3) it was recognized by many that these species were similar to those prepared Busch coworkers for binding coinage transition metals Sect. 2.1). The latter compounds contained all or a predominance nitrogen sulfur also Chap. 6) in accordance with their intended use. polyazamacrocycles represented two extremes cation ability preparation intermediate quickly ensued. In conceptual sense, monoazacrowns are simplest variants macrocyclic polyethers will be discussed first.