CAS: 129808-00-0; 5,5'-(Ethyne-1,2-Diyl)Bis(Isobenzofuran-1,3-Dione)

上下游产品

4-碘邻苯二甲酸酐 4-Iodophthalic Anhydride 28418-89-5
4-溴邻苯二甲酸酐 4-Bromophthalic Anhydride 86-90-8

4-溴邻苯二甲酸酐,乙炔置于bis-Triphenylphosphine-Palladium(II) Chloride,Copper(L) Iodide,三乙胺,三苯基膦体系中,用 甲苯 用作溶剂,以80%的收率获得4,4'-(乙炔-1,2-二基)二酞酸酐
参考文献: Process For Producing (Ethyne-1,2-Diyl)Bis(Isobenzofuran-1,3-Dione)[fr] Procédé De Production D'(Ethyne-1,2-Diyl)Bis(Isobenzofuran-1,3-Dione)
标题: Process For Producing (Ethyne-1,2-Diyl)Bis(Isobenzofuran-1,3-Dione)[fr] Procédé De Production D'(Ethyne-1,2-Diyl)Bis(Isobenzofuran-1,3-Dione)
摘要: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.

专利信息

专利号:US-11136286-B2
优先权日:2017-01-27
标题:Diamine compound, and polyimide compound and molded product using the same
发明人：GOSHIMA TOSHIYUKI; SOE WIN MAW
权利人:WINGO TECH CO LTD
摘要:[Problems to be solved] The present invention provides a novel diamine compound which allows for the synthesis of a polyimide compound having a high solubility in an organic solvent and a high melt moldability.[Solution] The diamine compound according to the present invention is characterized by being represented by the following general formula (1):(whereinR1 to R8 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a substituted or unsubstituted alkyl group, and a substituted or unsubstituted aromatic group; and at least one of R1 to R8 is a substituted or unsubstituted aromatic group).