[EN] PROCESS FOR PRODUCING (ETHYNE-1,2-DIYL)BIS(ISOBENZOFURAN-1,3- DIONE)<br/>[FR] PROCÉDÉ DE PRODUCTION D'(ETHYNE-1,2-DIYL)BIS(ISOBENZOFURAN-1,3- DIONE)
申请人:NEXAM CHEMICAL AB
公开号:WO2013156200A1
公开(公告)日:2013-10-24
A process for obtaining (ethyne-1,2-diyl)bis(isobenzofuran-1,3-dione) is disclosed. In the disclosed process chloro-, bromo-, or iodoisobenzofuran-1,3-dione is reacted with ethyne in a solvent in the presence of a dissolved homogenous palladium catalyst, optionally a copper salt, a base, and optionally a solvent distinct from said base. Subsequently the obtained (ethyne-1,2-diyl)bis(isobenzofuran-1, 3 -dione) may be washed with a washing agent, such as a carboxylic acid, a polar aprotic solvent, or chloroform.
揭示了一种制备(乙炔-1,2-二基)双(异苯并呋喃-1,3-二酮)的过程。在所揭示的过程中,氯代、溴代或碘代异苯并呋喃-1,3-二酮在溶剂中与乙炔在溶解的均相钯催化剂的存在下反应,可选地加入铜盐、碱和与所述碱不同的溶剂。随后,所得的(乙炔-1,2-二基)双(异苯并呋喃-1,3-二酮)可以用洗涤剂,如羧酸、极性无水溶剂或氯仿进行洗涤。