[EN] MRI CONTRAST AGENTS FOR CELL LABELING<br/>[FR] AGENTS DE CONTRASTE IRM POUR MARQUAGE DE CELLULES
申请人:UNIV TORONTO
公开号:WO2015048912A1
公开(公告)日:2015-04-09
Porphyrin compounds useful in the field of magnetic resonance imaging (MRI) as contrast agents. The compounds are relatively lipophilic porphyrins, include one or more enzyme-reactive functional groups, and are cell membrane permeable. Relatively lipophilic group(s) can be enzymatically released within a cell to produce a relatively hydrophilic porphyrin compound.
Oxidization catalyst for alkylbenzene and method for producing aromatic aldehyde
申请人:NIPPON SHOKUBAI CO., LTD.
公开号:US20020188159A1
公开(公告)日:2002-12-12
The present invention provide a catalyst capable of producing an aromatic aldehyde by gas-phase oxidation of the corresponding alkylbenzene in the presence of a molecular oxygen in high yield, and a method of producing an aromatic aldehyde from the corresponding alkylbenzene in high yield by using the above catalyst.
An alkylbenzene oxidation catalyst for the production of an aromatic aldehyde by gas-phase oxidation of the corresponding alkylbenzene in the presence of a molecular oxygen,
which comprises tungsten and antimony plus an oxide of at least one metal species selected from the group consisting of niobium, tantalum, zirconium, and titanium or a composite oxide of two or more metal species selected from said group.
The synthesis of trianglimines: on the scope and limitations of the [3 + 3] cyclocondensation reaction between (1R,2R)-diaminocyclohexane and aromatic dicarboxaldehydes
作者:Nikolai Kuhnert、Giulia M. Rossignolo、Ana Lopez-Periago
DOI:10.1039/b212102f
日期:2003.3.27
The synthesis of aromatic dicarboxaldehydes, using dilithiation methodology is described along with their reactivity, in the [3 + 3] cyclocondensation reaction, with (1R,2R)-diaminocyclohexane to give trianglimine macrocycles. The scope and limitations of the cyclocondensation reaction are studied and some comments on the properties of the novel macrocycles are made such as their conformation in solution
A novel bifunctional N,N′-dioxide derived from L-prolinamide was employed to catalyze the enantioselective Streckerreaction of a range of N-tosyl ketoimines, and an effective additive was used to improve the reactivity (up to 99 % yield) as well as the enantioselectivity (up to 91 % ee). In addition, a rational transition state was proposed to elucidate the origin of chiral induction in which an S-adduct