Solid-Phase Assembly and In Situ Screening of Protein Tyrosine Phosphatase Inhibitors
作者:Rajavel Srinivasan、Lay Pheng Tan、Hao Wu、Shao Q. Yao
DOI:10.1021/ol8006875
日期:2008.6.5
highly efficient solid-phase strategy for assembly of small molecule inhibitors against protein tyrosine phosphatase 1B (PTP1B) is described. The method is highlighted by its simplicity and product purity. A 70-member combinatorial library of analogues of a known PTP1B inhibitor has been synthesized, which upon direct in situscreening revealed a potent inhibitor ( Ki = 7.0 microM) against PTP1B.
The present invention provides a cationic lipid which is able to be used for nucleic acid delivery to the cytoplasm. A cationic lipid according to the present invention is, for example, a compound represented by formula (1) or a pharmaceutically acceptable salt thereof, wherein L
1
and L
2
independently represent an alkylene group having 3 to 10 carbon atoms; R
1
and R
2
independently represent an alkyl group having 4 to 24 carbon atoms or an alkenyl group having 4 to 24 carbon atoms; R
3
represents an alkyl group having 1 to 3 carbon atoms; and X
1
represents a single bond or CO—O—.
Take two: A design strategy for the development of polo‐likekinase1 (Plk1) inhibitors incorporating both an inhibitor of the enzymatic domain and an inhibitor of the polo‐boxdomain (PBD) is reported. The most potent inhibitor displays low‐nanomolar activity against the Plk1 PBD and excellent selectivity over the PBDs of Plk2 and Plk3.