4-氨基联吡啶衍生物与葫芦[6]脲形成强包合物,在荧光强度和量子产率方面表现出显着增强。显着的络合诱导的 p K a偏移 (Δp K a= 3.3)突出了结合时的强电荷-偶极相互作用。可逆绑定现象可用于设计可切换的信标,这些信标可以合并到级联的绑定网络中。该概念在本文中通过三种不同的应用得到证明:1)用于过渡金属和其他配体化学传感的可切换荧光信标;2)直接测量葫芦[6]脲与各种非荧光客体分子之间的结合常数;3) 生物催化反应的定量监测和动力学参数的测定。后一种应用通过青霉素 G 酰基转移酶催化的酰胺水解和醛缩酶抗体 38C2 催化的 β-甲酰氧基酮的消除反应来说明。
A compound of the following formula or a pharmacologically acceptable salt thereof:
1
wherein A represents a phenyl group or the like, B represents an aryl group or the like, X represents an oxygen atom or the like, and n represents 0 or 1. The compound is a PPAR &ggr; modulator which is a therapeutic agent for retrograde osteoporosis in which excessive differentiation of adipocytes is inhibited and formation and differentiation of osteoblasts from stem cells is facilitated, and for diabetes mellitus without characteristics such as excessive adipogenesis, liver dysfunction, vascular disorders, heart diseases and the like.
[Subject]
The present invention has a purpose for providing a PPAR γ modulator which can be a therapeutic agent for retrograde osteoporosis in which excessive differentiation of adipocytes was inhibited and formation and differentiation of osteoblasts from stem cells is facilitated or that for diabetes mellitus without characteristics such as excessive adipogenesis, liver dysfunction, vascular disorders, heart diseases and the like.
[Solution]
A compound of the following formula or a pharmacologically acceptable salt thereof:
wherein A represents a phenyl group or the like, B represents an aryl group or the like, X represents an oxygen atom or the like, and n represents 0 or 1.
Forsyth; Pyman, Journal of the Chemical Society, 1926, p. 2920
作者:Forsyth、Pyman
DOI:——
日期:——
METAL COMPLEXES
申请人:MERCK PATENT GMBH
公开号:US20190315787A1
公开(公告)日:2019-10-17
The present invention relates to metal complexes and to electronic devices, in particular organic electroluminescent devices, containing these metal complexes.
本发明涉及金属配合物和电子器件,特别是包含这些金属配合物的有机电致发光器件。
Switchable Cucurbituril-Bipyridine Beacons
作者:Mantosh K. Sinha、Ofer Reany、Galit Parvari、Ananta Karmakar、Ehud Keinan
DOI:10.1002/chem.200903067
日期:——
binding networks. This concept is demonstrated herein by three different applications: 1) a switchable fluorescent beacon for chemical sensing of transition metals and other ligands; 2) direct measurement of binding constants between cucurbit[6]uril and various nonfluorescent guest molecules; and 3) quantitative monitoring of biocatalytic reactions and determination of their kinetic parameters. The
4-氨基联吡啶衍生物与葫芦[6]脲形成强包合物,在荧光强度和量子产率方面表现出显着增强。显着的络合诱导的 p K a偏移 (Δp K a= 3.3)突出了结合时的强电荷-偶极相互作用。可逆绑定现象可用于设计可切换的信标,这些信标可以合并到级联的绑定网络中。该概念在本文中通过三种不同的应用得到证明:1)用于过渡金属和其他配体化学传感的可切换荧光信标;2)直接测量葫芦[6]脲与各种非荧光客体分子之间的结合常数;3) 生物催化反应的定量监测和动力学参数的测定。后一种应用通过青霉素 G 酰基转移酶催化的酰胺水解和醛缩酶抗体 38C2 催化的 β-甲酰氧基酮的消除反应来说明。