as alkoxy quinolines were halogenated at the C5-position via remote functionalization for the first time. This methodology provides a highly economical route to halogenatedquinolines with excellent functional group tolerance, thus providing a good complement to existing remote functionalization methods of quinolin-8-amide derivatives and broadening the field of remote functionalization. The utility
REPORTER SYSTEM FOR HIGH THROUGHPUT SCREENING OF COMPOUNDS AND USES THEREOF
申请人:RATAN Rajiv
公开号:US20130005666A1
公开(公告)日:2013-01-03
The NF-E2-related factor 2 (Nrf2) is a key transcriptional regulator of antioxidant defense and detoxification. To directly monitor stabilization of Nrf2 we fused its Neh2 domain, responsible for the interaction with its nucleocytoplasmic regulator, Keap1, to firefly luciferase (Neh2-luciferase). It is shown herein that Neh2 domain is sufficient for recognition, ubiquitination and proteasomal degradation of Neh2-luciferase fusion protein. The novel Neh2-luc reporter system allows direct monitoring of the adaptive response to redox stress and classification of drugs based on the time-course of reporter activation. The novel reporter was used to screen a library of compounds to identify activators of Nrf2. The most robust and yet non toxic Nrf2 activators found—nordihydroguaiaretic acid, fisetin, and gedunin-induced astrocyte-dependent neuroprotection from oxidative stress via an Nrf2-dependent mechanism.
US9200046B2
申请人:——
公开号:US9200046B2
公开(公告)日:2015-12-01
[EN] QUINOLINE DERIVATIVES USEFUL AS UBIQUITINATION INHIBITORS<br/>[FR] DÉRIVÉS DE QUINOLÉINE UTILES EN TANT QU'INHIBITEURS D'UBIQUITINATION
申请人:RIGEL PHARMACEUTICALS INC
公开号:WO2016025779A1
公开(公告)日:2016-02-18
Disclosed are sulfonamidoquinoline compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure. Formule (I) and pharmaceutically acceptable salts, prodrugs and N-oxides thereof (and solvates and hydrates thereof), wherein R1, R2, R3 and R4 are as described herein. In certain embodiments, a compound disclosed herein inhibits ubiquitination, and can be used to treat disease by blocking the degradation of tumor suppressors.
Ni‐Catalyzed Regioselective C‐5 Halogenation of 8‐Aminoquinoline and Co‐Catalyzed Chelation Assisted C−H Iodination of Aromatic Sulfonamides with Molecular Iodine
作者:Rodney A. Fernandes、Priyanka Choudhary
DOI:10.1002/asia.202200874
日期:2022.12
A regioselective Ni(II)- and Co(II)-catalyzed sequential iodination of sulfonamides using inexpensive and milder molecular iodine (I2) as an iodinating reagent is reported for the first time.
首次报道了使用廉价且温和的分子碘 (I 2 ) 作为碘化试剂的区域选择性 Ni(II )- 和 Co(II)- 催化的磺胺类药物顺序碘化。