The products of basic hydrolysis of ethyl oxal-acetate and the preparation of 3-ethoxy carbonyl pyruvic acid 1 are reported.Esterification reaction of 1 with un
A ditopic ligand bpy-cyclam(L)and its heterometallo-binuclearcomplex Ru(bpy)<sub>2</sub>(bpy-cyclam-Ni)(ClO<sub>4</sub>)<sub>4</sub>3H<sub>2</sub>O(3)designed for use in
In this paper, we report a new method for preparingacetylthioformanilides from substituted pyruvanilides an Lawessow Reagent.in DME at room temperature. Some ne
A novel gallotannin, crenulatin (1), was isolated from the stem of Rhodiola crenulata, and its structure was determined by means of spectral analyses(including <s
The double oxidative coupling of methyl 8-bromo-3,4-dihydro-xy-5,7-dimethoxy-2-naphthylacetate and its solvent effect are studied.Demethylation followed by meth
A novel neolignan, biondinin A, was isolated from the flower buds of Magnolia biondii Pamp. The structure was established as 3,3’,4’- trimethoxy-4,9’-dihydro
The pH dependence of Zinc(II)tetrasulfonated phthalocyanine inaqueous solution has been investigated.The tendency of dimerization wasenhanced by the addition of