CAS: 924-88-9; Diisopropyl Succinate

相似化合物

926-26-1 6938-94-9 14734-25-9

上下游产品

succinic acid isopropyl alcohol succinoyl dichloride Succinimidepyrrole-1,4-dione3,6-bis-(2-methoxyphenyl)-2,5-dihydropyrrolo3,4-cpyrrole-1,4-dione 3,6-bis(4-bromophenyl)-2,5-dihydropyrrolo[3, 4-c]pyrrole-1,4-dione 3,6-bis(4-chlorophenyl)-2,5-dihydro-1,4-diketopyrrolo[3,4-c]pyrrole 3,6-diphenyl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-(2H,5H)-dione

富马酸二异丙酯置于iridium On Carbon,异丙醇体系中,用38 %的收率获得产物丁二酸二异丙酯
参考文献:在低 Ir 负载量的 Ir-Reox/c 催化剂上从粘酸一步法生产可再生己二酸酯
标题:在低 Ir 负载量的 Ir-Reox/c 催化剂上从粘酸一步法生产可再生己二酸酯
摘要:从生物质中生产己二酸(一种大容量平台化学品)代表了一种更可持续地制造尼龙和其他聚合物的无石油途径.在这项研究中,报道了使用异丙醇作为绿色溶剂和还原剂,通过脱氧脱水 (Dodh) 和催化转移氢化 (Cth),通过多相双功能 Ir-Reo X /c 催化剂将生物来源的粘酸一步转化为己二酸盐.由于 Ir 含量非常低(0.05 Wt%),该催化剂为串联 Dodh-Cth 工艺提供了一种低成本的选择,同时仍可重复使用和再生至少五个循环.报道的催化系统以高收率 (63%) 反应生成己二酸酯,无需添加剂(酸或卤素)或高压 H 2. 通过模型反应和光谱分析,支持双功能 Dodh-Cth 机制,Re Vi/iv氧化还原对作为活性 Dodh 物种,Ir 0通过cth使二烯烃中间体饱和.优化催化剂制备和再生过程中的热处理,以限制金属浸出,同时保持非常好的活性.目前的工作概述了使用低贵金属含量的双金属催化剂将生物质中的
DOI:10.1039/d2Cy01144A

专利信息

专利号:US-10336763-B1
优先权日:2018-05-17
标题:Crystal form B of ribociclib succinate
发明人：KAMANI SATYANARAYANA; LU TZU-CHIANG; CHANG HSIN-YUN; MAI CHIN-CHENG
权利人:CHUNGHWA CHEMICAL SYNTHESIS & BIOTECH CO LTD
摘要:The present invention relates to crystal forms B, C and D of Ribociclib succinate salt and derivatives thereof, and their preparation method and composition. The crystal forms B, C and D of Ribociclib succinate salts are obtained by adding 7-cyclopentyl-N,N-dimethyl-2-(5-(piperain-1-yl)pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide solution into succinic acid solution for reaction, stirring the solution under high temperature, filtering the solution after cooling off.

专利号:US-9896523-B2
优先权日:2015-06-26
标题 :Ziegler-Natta catalyst synthesis and process thereof
发明人：SINGH GURMEET; KUMAR NARESH; KAUR SUKHDEEP; BANTU BHASKER; KAPUR GURPREET SINGH; SHASHIKANT
权利人:INDIAN OIL CORP LTD
摘要:The present invention describes a process of preparing a catalyst for olefin polymerization comprising: (i) treating a magnesium metal with an organohalide along with an internal donor to obtain a reaction mixture having solid component (A); (ii) treating the reaction mixture having solid component (A) with an acyl halide to obtain a reaction mixture having solid component (B); and (iii) treating the reaction mixture having solid component (B) of step (ii) with a transition metal compound to obtain the catalyst. The present invention also relates to a process for preparation of a catalyst system from said catalyst and preparation of a polyolefins from the catalyst system.

专利号:EP-3491044-B1
优先权日:2016-07-27
标 题 :Method of regioselective synthesis of polyesters from asymmetric diols

专利号:US-2020181319-A1
优先权日:2016-07-27
标题:Method of regioselective synthesis of polyesters from asymmetric diols

专利号:US-4511741-A
优先权日:1983-12-02
标题 :Production of aldehydes from organic acid esters
发明人：WEGMAN RICHARD W; BUSBY DAVID C
权利人:UNION CARBIDE CORP
摘要:A process for the production of an aldehyde at high selectivity and rate by the reaction of an organic ester with carbon monoxide or synthesis gas in contact with a catalyst system containing rhodium atoms and cobalt atoms and lithium iodide or lithium bromide and, optionally, an organic ligand.

专利号:WO-2018020440-A9
优先权日:2016-07-27
标 题 :PROCESS FOR REGIOOSELECTIVE SYNTHESIS OF POLYESTERS FROM ASYMMETRIC DIOLS