The synthesis of derivatives of 3-β-D-xylopyranosyl-1,2,4-oxadiazolesis accomplished by condensing protected β-D-xylopyranosyl amidoxime with acidanhydrides o
Five aza-crown-ethers were synthesized and four of them shown to have cholesteric liquid crystalline properties. Their properties relevant to cholesteric liquid
Synthetic goethite(α-FeOOH) was prepared in the laboratory using a modified version of Brauer’s method.The process of steam-crystallization was prolonged and
The frontier orbitals HOMO and LUMO of the fullerene C<sub>60</sub> hasbeen given in a system of 60 motion-coordinates, of which each origin is ateach C atom of