Two new prenylflavonoids, mornigrol E(1) and momigrol F(2) were isolated from Morus nigra L. Their structures were elucidated on the basis of spectroscopic meth
A simple and efficient method for the iodination of aromatic compounds has been achieved in the presence of iodine and 1,4-bis(triphenylphosphonium)-2-butene pe
With the emergence of Knowledge Economy and its penetration intoevery aspect of society,many industrial functions have been changing,including management and la