An aromatization reaction was found when 18--methyl--estra--4(5),9(10)--dien--3, 17--dione(6) was treated with triethyl orthoforrnate in dioxane in thepresence
The catalyzation of CoTPP for electrocarboxylation of alkyl halides, alkenes and ketones with CO<sub>2</sub> are studied. The electrocarboxylation of these orga
A new kind of amphiphilic copolymer was synthesized with azo bond functional side chains, and elementary studies about formation of I,B film, UV-visible spectra