Reactions of 9-Phosphorylacridines with Aqueous Hydrogen Peroxide Accompanied by Weak Chemilumine-scence: Remarkable Substituent Effect on Emission Efficiency
摘要:
The reaction of 9-phosphorylacridines with aqueous hydrogen peroxide provides weak chemiluminescence, whose emission efficiency depends on the structures of the phosphorus groups. The bulky substituents in the phosphorus groups increased the chemiluminescence quantum yields, which can be explained by assuming that the present chemiluminescence reaction involves a CIEEL process via phospha-1,2-dioxetanes as the high-energy intermediates.
Nickel-catalyzed C–P cross-coupling of diphenylphosphine oxide with aryl chlorides
作者:Hong-Yu Zhang、Meng Sun、Yan-Na Ma、Qiu-Ping Tian、Shang-Dong Yang
DOI:10.1039/c2ob26874d
日期:——
diarylphosphine oxide compounds via a Ni-catalyzed cross-coupling of arylchlorides with R2P(O)H has been developed. Notably, this process exhibits the following very attractive features: (i) the process is simpler and operates under mild reaction conditions; (ii) the process is generally cheaper in part because the more accessible arylchloride is used to form the C–P bond; (iii) the process avoids the need