A novel three dimensional network complex polymer [Cu<sub>4</sub>(oxen)<sub>2</sub>(N<sub>3</sub>)<sub>3</sub>]<sub>n</sub>(ClO<sub>4</sub>)<sub>n</sub>·2nH<su
This paper reports a new method for oxidizing the α-methyl orα-methylene groups in carbonyl compounds into 1,2-dicarbonyl compoundsby ammonium chlorochromate(
Thermotropic liquid crystalline VHE terpolyesters made from vanillic acid (V),p-hydroxybenzoic acid (H) and poly(ethylene terephthalate) (E) were studied by 400