Regiocontrolled 1,2-, 1,4-, and 1,6-additions of organometallics to unsaturated thioamides
作者:Y. Tamaru、T. Harada、S. Nishi、Z. Yoshida
DOI:10.1016/s0040-4039(00)87348-7
日期:——
1,4-Addition of allyllithiums to α,β-unsaturated thioamides and 1,4-(kinetic) and 1,6-(thermodynamic)regiocontrolled additions of lithium enolates to thiosorbamide are reported.
The present invention relates to particles comprising cores of tungsten or tungsten in mixture with other metallic elements as the contrast enhancing material wherein said core are coated, to pharmaceuticals containing such particles, and to the use of such pharmaceuticals specifically as contrast agents in diagnostic imaging, in particular in X-ray imaging.
CONTRAST AGENTS
申请人:Axelsson Oskar
公开号:US20100284936A1
公开(公告)日:2010-11-11
The present invention relates to liposomes comprising particles with cores of tungsten or tungsten in mixture with other metallic elements as the contrast enhancing material and to the use of such pharmaceuticals, specifically as contrast agents in diagnostic imaging and in particular in X-ray imaging of liver tumours.