Stealth star polymers: A new high-loading scaffold for liquid-phase organic synthesis

被引:38
作者
Reed, NN
Janda, KD
机构
[1] Scripps Res Inst, Res Inst, Dept Chem, La Jolla, CA 92037 USA
[2] Skaggs Inst Chem Biol, La Jolla, CA 92037 USA
关键词
D O I
10.1021/ol005764y
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Polyethylene glycol (PEG) has proven to be a versatile soluble-polymer support for organic synthesis, though the use of PEG has been limited by its relatively low loading (0.5 mmol/g or less). We have developed a new high-loading (1 mmol/g) soluble-star polymer based on a cyclotriphosphazene core with PEG arms that exhibit superior precipitation properties compared with those of linear PEG. Additionally, the heterocyclic core does not add interfering signals to the H-1 or C-13 NMR.
引用
收藏
页码:1311 / 1313
页数:3
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