[EN] CHEMICAL COMPOUNDS<br/>[FR] COMPOSES CHIMIQUES
申请人:ASTRAZENECA AB
公开号:WO2004011410A1
公开(公告)日:2004-02-05
Compounds of formula (I):wherein variable groups are as defined within; for use in the inhibition of 11βHSD1 are described.
式(I)的化合物:其中变量基团如定义内;用于抑制11βHSD1。
Fluorescence enhancement of rare earth Tb(III) by Tm(III) in benzyl benzoylmethyl sulphoxide complexes
作者:Wen-Xian Li、Wen-Juan Chai、Yu Liu、Ying-Jie Li、Tie Ren、Jing Zhang、Bo-Yang Ao
DOI:10.1002/bio.1368
日期:2012.9
complexes were studied in detail using ultraviolet absorption spectra, fluorescent spectra and lifetimes. The fluorescence spectra of complexes indicated that the fluorescence emission intensity was significantly enhanced by Tm(III). The complexes showed the best luminescence properties when the mole ratio Tb(III):Tm(III) was 0.990:0.010. The fluorescence intensity could be increased to 390%. Additionally
A general and efficient method for the synthesis of 4-sulfenylated oxazoles is described. Trisubstituted oxazoles are obtained in good to excellent yields from β-keto sulfoxides and nitriles. The mechanistic study suggests that the reaction proceeds via the nucleophilic addition of nitriles to the in situ formed α-carbonyl cation followed by intramolecular cyclization.