catalytic phenylation reaction of α,β‐unsaturated acylazoliums was developed. A combination of N‐heterocyclic carbene and potassium ion cooperatively catalyzed the cyclization of α,β‐unsaturated acylazoliums with phenolates, which are directly generated from α,β‐unsaturated phenolic esters. Mechanistic studies demonstrated that the potassium ion plays a vital role in this reaction.
Heat-sensitive recording materials comprising a colorless or light-colored dye precursor and a color developer capable of developing a color of the dye precursor, upon reaction with said dye precursor with heating, further contain as sensitizers specific styryl-containing compounds. By incorporating these specific sensitizers, the heat-sensitive recording materials provide excellent thermal response and high sensitivity.
Solid Composite Copper-Copper Chloride Assisted Alkylation of Naphthols Promoted by Microwave Irradiation
作者:R. Zadmard、K. Aghapoor、M. Bolourtchian、M. R. Saidi
DOI:10.1080/00397919808004511
日期:1998.12
Naphthyl ethers and naphthyl esters were synthesized in good yield by using mixture of copper metal powder and copper (II) chloride in conventional microwave oven in short time.
Ch. Selden, Dissert. <Erlangen 1888>, S. 10
作者:Ch. Selden
DOI:——
日期:——
Anschuetz, Chemische Berichte, 1885, vol. 18, p. 1946