Synthesis of substituted fulvenes with inden-2-ylphosphonic acid fragments
作者:A. A. Prishchenko、M. V. Livantsov、O. P. Novikova、L. I. Livantsova、V. S. Petrosyan
DOI:10.1007/s11172-017-1882-9
日期:2017.7
We have developed preparative methods for the synthesis of substituted fulvenes including inden-2-ylphosphonic acid fragments, as well as aromatic and heterocyclic substituents, based on bis(trimethylsilyl)inden-2-ylphosphonate and substituted azomethines in the presence of sodium hydride as an efficient initiator of the reaction. Subsequent treatment of the phosphonates with methanolic solution of
Synthesis of new organophosphorus-substituted fulvenes with indenyl moieties
作者:Andrey A. Prishchenko、Mikhail V. Livantsov、Olga P. Novikova、Ludmila I. Livantsova、Valery S. Petrosyan
DOI:10.1002/hc.21403
日期:2017.11
moieties from bis(trimethylsilyl) inden-2-ylphosphonate and substituted azomethines in the presence of the effective initiator-sodium hydride are developed. The following treatment of phosphonates with methanolic sodium methylate gives stable water-soluble disodium salts of corresponding phosphonic acids.
Gegenstand der vorliegenden Erfindung ist ein Verfahren zur Herstellung von Polyarylensulfiden durch Umsetzung von Dihalogenbenzolen und gegebenenfalls Polyhalogenaromaten mit einem Alkalisulfid in einem polaren Lösungsmittel und in Anwesenheit von Dialkalisalzen von Phosphonsäuren als Katalysatoren.