| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new crown ether. <P>SOLUTION: The crown ether is a crown ether containing a reactive-alkenyl-terminated linker chain of about 1 to about 20 atoms in length, wherein the reactive alkenyl group gives a reactive site for covalently bonding the crown ether to synthetic resin carrier particles. <P>COPYRIGHT: (C)2009,JPO&INPIT |
