Two novel constituents were isolated from the roots of Chinese medicinal herbs, Salvia miltiorrhiza. Their structures were determined by spectroscopic technique
The ab initio calculations were performed by the intrinsic reaction coordinated(IRC) method for the reaction paths of the dehydrogenations of methylenimine. We
Recently, metal clusters supported on some solids which simultaneously exhibit many excellent properties of both metal clusters and supports have been intensive
By using Polya’ s theorem, the generating functions of configurations, chiral and achi-ral configurations of saturated polybasic alcohols containing an adamant
Introduction It seems to be realized that a number of special reactions would occur owing to the three electron-withdrawing groups in the title compound 1(4-chl