Abstract 1,4 - bis[2 - (3,4,5 - trimethoxyphenyl) vinyl] benzene (abbreviated as HPV), one of the organic conducting materials, was synthesized by electro - reductively promoted Wittig reaction. A cylindrical sleeve cell with a diaphragm was used . The product was determined to be a light yellow mixture of three kinds of isomers of the title compound, 29.4% cis - cis, 44.7% cis - trans, 25.9%
... [Show full abstract] trans - trans isomers. The yield of the product was 92%, m.p. 103 - 155°C.