The calculations on the ground state and twoexcited states3B2,BIB2 of MgH2 system are carried out by using(Second Order Configuration Interaction)method.For ea
A novel,simple approach to synthesis of macrocyclic dioxo-tetraamine ligands bearing pendent coordinating groups was described.Reduction of coumarin derivatives
The adsorption of CO on Fe(110)with different coverages of tita-nia has been studied by AES,XPS,UPS.It is proposed that theadsorption sites of CO in this system
Reaction of α-(1H-1,2,4-triazol-1-yl)acetophenonewith phenyl isothiocyanate in the presence of a base and subse-quent alkylation leads to the ketene S,N-acetal
Keeping in view the biological activities of 3-hydroxyisoxa-zole and cyclic phosphate derivatives,some compounds possessing thesetwo moieties have been synthesi
The microphase separation extent of biomedical segmentedpolyetherurethanes were greatly enhanced due to the presence of sulfoalkylpendant groups contained in th
A 6-pyridinium salt(2)was obtalned from 2’,3’,5’-tri-O-acetyhnosine by useof phosphoryl chloride as the condensmg agent.The conversion of salt(2)into 6-(2-me
The structure of a new macrocyclic compound,clemochinenoside B,isolated from the root of Clematis chinensis was elucidated by means ofNMR,FAB-MS,NOE and chemica