α-Halocarbonyl compounds, I. An efficient preparation of α-bromoesters and α-bromoacids
作者:Philip L. Stotter、Kenneth A. Hill
DOI:10.1016/s0040-4039(01)94239-x
日期:1972.1
[EN] HIGH RELAXIVITY COORDINATIVELY UNSATURATED LANTHANIDE COMPLEXES<br/>[FR] COMPLEXES DE LANTHANIDE INSATURÉS DE MANIÈRE COORDONNÉE À RELAXIVITÉ ÉLEVÉE
申请人:MALLINCKRODT INC
公开号:WO2008134289A2
公开(公告)日:2008-11-06
[EN] The present invention is directed to tetraazamacrocyclic compounds and lanthanide complexes thereof useful as MRI contrast agents having enhanced relaxivity. [FR] La présente invention concerne des composés tétraazamacrocycliques et des complexes de lanthanide de ceux-ci utiles comme agents de contraste MRI ayant une relaxivité améliorée.
An esterase-activated magnetic resonance contrast agent
作者:Marco Giardiello、Mark P. Lowe、Mauro Botta
DOI:10.1039/b711989e
日期:——
A Gd(III) complex bearing pendant acetoxymethyl esters is activated on exposure to porcine liver esterase; the 84% increase in relaxivity is a result of suppression of HCO3−/CO32− binding by the resulting negative charge.