A safe, convenient and efficient method for the preparation of heterocyclic N-oxides using urea·hydrogen peroxide
作者:Dawen Rong、Victoria A. Phillips、Ramón Sánchez Rubio、Ma Ángeles Castro、Richard T. Wheelhouse
DOI:10.1016/j.tetlet.2008.09.124
日期:2008.11
A novel, convenient, and high-yielding method has been developed for the preparation of heterocyclic N-oxides. The reaction uses the urea·hydrogen peroxide addition complex as a peroxide source for the in situ generation of trifluoroperacetic acid. The advantages of this method are easy handling of a stable, solid oxidant; high yields and simple removal of excess reagents and by-products.
Experimental and density functional theory insights into the effect of withdrawing ligands on the fluorescence yield of Ru(II)-based complexes
作者:Basant A. Ali、Walid Sharmoukh、Mohamed M. Elnagar、Zeinab M. Hassan、Nageh K. Allam
DOI:10.1002/aoc.4677
日期:2019.1
and then confirmed experimentally. The bandgap energy, reactivity, emission spectra and Stokes shift were found to depend on the number and position of the withdrawing groupsattached to the Ru(bpy)22+ complexes. Upon increasing the number of withdrawing groups, the electrons were found to be withdrawn from the carbon orbitals and resonated to reach the metal, and accumulated around it, thus enhancing
[EN] KDM1A INHIBITORS FOR THE TREATMENT OF DISEASE<br/>[FR] INHIBITEURS DE KDM1A POUR LE TRAITEMENT D'UNE MALADIE
申请人:IMAGO BIOSCIENCES INC
公开号:WO2016130952A1
公开(公告)日:2016-08-18
Disclosed herein are new compounds and compositions and their application as pharmaceuticals for the treatment of diseases. Methods of inhibition of KDM1A, methods of increasing gamma globin gene expression, and methods to induce differentiation of cancer cells in a human or animal subject are also provided for the treatment of diseases such as acute myelogenous leukemia.
versatile tool for the construction of (hetero)biaryl scaffolds. However, the cross-electrophile coupling using abundant (hetero)arylhalides and pseudohalides is still in its infancy. In particular, a robust and general method for the cross-electrophile coupling would allow unparalleled entry into the vast collection of commercially available, structurally diverse (hetero)arylhalides and pseudohalides
Identification of novel benzoyl hydrazine derivatives as activators of neddylation pathway to inhibit the tumor progression in vitro
作者:Xuan Wang、Sumeng Guan、Zunming Tian、Mei Zhao、Mengyu Li、Hua Yang、Ling Zhu、Moran Sun
DOI:10.1007/s00044-024-03193-4
日期:2024.3
against A549, MGC-803, MCF-7KYSE-30 cell lines. The cell-based mechanistic studies showed that IIb-10 bearing the benzoyl hydrazine motif can selectively inhibit the Neddylation modification of Cullin1 and Cullin3 by inhibiting NEDD8 activase and then, leads to a dose-dependent reduction in the level of UBC12-NEDD8 complex via interacting with NAE1 directly. Cellular mechanisms elucidated that compound