Prototypes for the Polaronic Ferromagnet. Synthesis and Characterization of High-Spin Organic Polymers
作者:Michael M. Murray、Piotr Kaszynski、David A. Kaisaki、Wonghil Chang、Dennis A. Dougherty
DOI:10.1021/ja00097a024
日期:1994.9
characterization of several new polymers that are considered one-dimensional prototypes for the polaronicferromagnetic are reported. Synthesis involved either Wittig or Suzuki coupling to produce polymers with extended pi} systems. Oxidative doping (Isub 2} or AsFsub 5}) produces radical cations (polarons) that are stable at room temperature. Magnetic characterization of the dopedpolymers, using SQUID-based
Epoxy resin bearing diacylhydrazine moiety as a degradable adhesive for traceless oxidative removal
作者:Takahiro Oguri、Akie Kawahara、Nobuhiro Kihara
DOI:10.1016/j.polymer.2016.06.066
日期:2016.9
hydrazination, followed by oxidative coupling of the obtained hydrazide. Ester groups with long alkyl chains or polyether increased the solubility of bisphenols in the epoxy resin. The epoxy resin was cured by heating with bisphenols in the presence of a catalytic amount of imidazole, with more rapid curing observed for more soluble bisphenols. The cured resin, with Td5 ≈ 300 °C, decomposed rapidly when exposed
The present invention relates to a process for the preparation of iodinated phenols; in particular, it relates to a process including the electrochemical iodination of 3,5-disubstituted phenols of formula (1) to the corresponding 3,5-disubstituted-2,4,6-triiodophenols of formula (2), which are useful intermediates for the synthesis of x-ray contrast media, and to the preparation of the contrast media themselves.
Process for the preparation of n,n'-bis[2,3-dihydroxypropyl]-5-[(hydroxyacetyl) methylamino]-2, 4,6-triiodo-1, 3-benzenedi carboxamide
申请人:Bracco International B.V.
公开号:US06420603B1
公开(公告)日:2002-07-16
A novel process for the preparation of N,N′-bis[2,3-dihydroxypropyl]-5-[(hydroxyacetyl) methylamino]-2,4,6-triiodo-1, 3-benzenedi carboxamide of formula (I), commonly known as lomeprol, a novel non-ionic contrast agent which shows very good safety and contrast effectiveness.
Process for the iodination of phenolic derivatives
申请人:Bracco Imaging S.p.A
公开号:EP2394984A1
公开(公告)日:2011-12-14
The present invention relates to a process for the preparation of iodinated phenols; in particular, it relates to a process including the direct iodination, with suitably activated iodine, of 3,5-disubstituted phenol compounds to the corresponding 3,5-disubstituted-2,4,6-triiodophenols, which are useful intermediates for the synthesis of x-ray contrast media, and to the preparation of the contrast media themselves.
本发明涉及一种制备碘化苯酚的工艺;特别是涉及一种工艺,包括用适当活化的碘将 3,5-二取代苯酚化合物直接碘化成相应的 3,5-二取代-2,4,6-三碘苯酚(这是合成 X 射线造影剂的有用中间体),以及制备造影剂本身。