[EN] TARGETED CONTRAST AGENTS COMPRISING A HYDRAZIDE FUNCTIONAL GROUP<br/>[FR] AGENTS DE CONTRASTE CIBLÉ COMPRENANT UN GROUPE FONCTIONNEL D'HYDRAZIDE
申请人:RF THERAPEUTICS INC
公开号:WO2016090491A1
公开(公告)日:2016-06-16
Described herein is a contrast agent for administration to a subject. The contrast agent includes a targeting portion that includes a hydrazide functional group; a metal ion bound to a metal-complexable portion; and a linker joining the targeting portion and the metal- complexable portion of the contrast agent. The portion that is not bound to a metal ion localizes the contrast agent to necrotic tissue in the subject.
TARGETED CONTRAST AGENTS COMPRISING A HYDRAZIDE FUNCTIONAL GROUP
申请人:RF Therapeutics Inc.
公开号:US20170340757A1
公开(公告)日:2017-11-30
Described herein is a contrast agent for administration to a subject. The contrast agent includes a targeting portion that includes a hydrazide functional group; a metal ion bound to a metal-complexable portion; and a linker joining the targeting portion and the metal-complexable portion of the contrast agent. The portion that is not bound to a metal ion localizes the contrast agent to necrotic tissue in the subject.
An underrated cheap Lewis acid: Molecular bromine as a robust catalyst for bis(indolyl)methanes synthesis
作者:Deqiang Liang、Wenzhong Huang、Lin Yuan、Yinhai Ma、Jingmei Ma、Deman Ning
DOI:10.1016/j.catcom.2014.06.005
日期:2014.10
A discovery that inexpensive elemental bromine can act as a potent Lewis acid catalyst is disclosed. Under the catalysis of only 2 mol% of Br2, indoles reacted rapidly with carbonyl compounds to give bis(indolyl)methanes with extremely high efficiency and wide substrate scope. Moreover, a Br2-catalyzed aqueous-phase reaction is also presented to further demonstrate the power of this novel catalyst
Synthesis and biological evaluation of 68Ga labeled bis-DOTA-3,3′-(benzylidene)-bis-(1H-indole-2-carbohydrazide) as a PET tracer for in vivo visualization of necrosis
The aim of the present study was to develop a Ga-68 labeled bis-DOTA derivative of benzylidene-bis-indole and compare the in vivo stability and biodistribution with that of the previously reported bis-DTPA derivate for in vivo imaging of necrosis using PET. Uptake of the tracer was evaluated in a mouse model of Fas-mediated hepatic apoptosis in correlation with histochemical stainings. The novel Ga-68 labeled tracer showed an improved in vivo stability and could therefore be used for selective non-invasive imaging of necrotic cell death using PET. (C) 2013 Elsevier Ltd. All rights reserved.