The invention provides compounds of formula (1),
and the pharmaceutically acceptable salt thereof, wherein R
1
, n and R
2
are as described herein; compositions thereof; and uses thereof.
Enantioselective amination of nitroolefins under base-free and water-rich conditions using chiral bifunctional phase-transfer catalysts
作者:Junchao Zhu、Dongxiao Cui、Yuedan Li、Jingxu He、Weiping Chen、Pingan Wang
DOI:10.1039/c8ob00583d
日期:——
The direct enantioselective amination of nitroolefins has been performed with L-tert-leucine-derived squaramide-scaffold bifunctional phase-transfer catalysts under base-free and water-rich conditions with low catalyst loading (0.5–1 mol%) to provide 2-aminonitroalkanes in good yields (up to 96%) and enantioselectivities (up to 93% ee).
Evidence for the formation of an ovoid chiral cage, resulting from the auto-assembly of two hexafunctional and three tetrafunctional modules reacting through dynamic covalent bond formation, is provided.
本文提供了通过动态共价键形成反应,由两个六官能团和三个四官能团模块的自组装形成卵形手性笼的证据。
Imidazothiazole derivatives
申请人:Kawato Haruko
公开号:US20090312310A1
公开(公告)日:2009-12-17
There is provided a novel compound that inhibits interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity. The present invention provides an imidazothiazole derivative represented by the following formula (1) having various substituents that inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity:
wherein R
1
, R
2
, R
3
, R
4
, and R
5
in the formula (1) each has the same meaning as defined in the specification.
The invention provides compounds of formula (1),
and the pharmaceutically acceptable salt thereof, wherein R1, n and R2 are as described herein; compositions thereof; and uses thereof.