FTIR spectrum at liquid nitrogen temperature and IH NMR ofair-sensitive polyhydride Ru(H)<sub>2</sub>(H<sub>2</sub>)(PPh<sub>3</sub>)<sub>3</sub> have been measured f
This paper reports the total synthesis of dimethyl4-hydroxy-4’-methoxy-5,6,5’,6’-bismethylenedioxybiphenyl-2,2’-dicarboxylate(Ⅱ).Various conditions for bro
PLE(pig liver esterase) catalyzed hydrolysis of the title compounds demonstrated that the α-carbon with S configuration hydrolyzed faster than the R configurat
Two new afzelechin glycosides,arthromerin A(1)and B(2),have beenisolated from the root of Arthromeris mairei(Brause)Ching.Their structur-es were determined by m
The detection of the microwave-discharged species of methyliodide by HeI photoelectron spectroscopy(UPS)is reported for the firsttime.The UPS spectra of I<sub>2</
The electrocarboxylation of benzyl chloride with CO<sub>2</sub> catalyzed by metalloporphyrins and the effects of different kinds of central metals and ligands