This paper describes a simple method for the preparation of L-proline stationary phase bonded to silica gel and characterization of the bonded phase by IR spect
l,l’-biisoquinoline can coordinate with ruthenfum(Ⅱ) to form a new series of mononuclear complexes and the electronic absorption of these complexes were measu
Aromatic bond including metallic atom (Ni) is investigated byEHMO calculation.The NMR spectra and the mechanism for hydrolysis arediscussed on the ground of res
Four new alkaloids, didehydroprotostemonine, isoprotostemonine, neostemonine and stemodiol, were isolated from the roots of a Chinese medicinal plant, Stemona j