专利号:WO-2023276983-A1 优先权日:2021-06-28 标题 :Synthesis intermediate for beraprost or optically active form thereof, and method for producing same 发明人:AOYAGI SHIGENOBU; YAMADA RYO 权利人:OUCHI SHINKO CHEMICAL IND CO LTD 摘要:The present disclosure provides: a novel synthesis intermediate for beraprost or an optically active form thereof; and a production method using the synthesis intermediate. More specifically, in the present disclosure, a compound represented by general formula (I) or (II) or an optically active form thereof is used as a synthesis intermediate in the production of beraprost or an optically active form thereof.
专利号:US-9834536-B2 优先权日:2013-04-23 标题:Method for producing catalyst for cyclic carbonate synthesis 发明人:TAKAHASHI TOSHIKAZU; YASUDA HIROYUKI; SAKAKURA TOSHIYASU; YAMAMOTO SHOUJI; NANIKI TAKASHI; FURUKAWA TAKURO 权利人:AIST; MARUZEN PETROCHEM CO LTD 摘要:A method for producing a heterogeneous catalyst for use of synthesizing cyclic carbonates by reacting an epoxide and carbon dioxide in the presence of the catalyst. A method for making a catalyst that includes forming a catalyst precursor then reacting the catalyst precursor with a tertiary phosphine.
专利号:US-5237116-A 优先权日:1989-10-31 标题 :Catalyst and process for coupling organometallic reagents with aryl or vinylic halides 发明人:CORLEY LARRY S 权利人:SHELL OIL CO 摘要:A process and catalyst are disclosed for the catalyzed reaction of an organometallic reagent with a reactive halide in the presence of a diphosphine complex of a nickel carboxylate or sulfonate. The process can be employed in the synthesis of aromatic compounds such as bisbenzocyclobutenes.
专利号:US-10029241-B2 优先权日:2013-04-23 标题:Method for producing catalyst for cyclic carbonate synthesis 发明人:NANIKI TAKASHI; TAKAHASHI TOSHIKAZU; YASUDA HIROYUKI; YAMAMOTO SHOUJI 权利人:MARUZEN PETROCHEM CO LTD; AIST 摘要:A method for easily producing a heterogeneous catalyst having excellent catalytic activity at a low cost is provided. The heterogeneous catalyst is used for the purpose of synthesizing a cyclic carbonate by reacting an epoxide and carbon dioxide. A catalyst obtained by this production method and a method for synthesizing a cyclic carbonate with use of this catalyst are also provided.
专利号:WO-2013065066-A1 优先权日:2011-11-02 标 题 :Processes for preparing 4-oxo-4-[3-(trifluoromethyl)-5,6- dihydro [l,2,41-triazolo[43-a]pyrazin-7(8h)-yl]-l-(2,4,5- trifluorophenyl)butan-2-amine 发明人:PANDEY BIPIN; DAVE MAYANK GHANSHYAMBHAI; KOTHARI HIMANSHU M; SHUKLA BHAVIN SHRIPRASAD; MENDIRATTA SANJEEV KUMAR; JOSHI RUPAL; TRIVEDI UMANG 权利人:CADILA HEALTHCARE LTD; PANDEY BIPIN; DAVE MAYANK GHANSHYAMBHAI; KOTHARI HIMANSHU M; SHUKLA BHAVIN SHRIPRASAD; MENDIRATTA SANJEEV KUMAR; JOSHI RUPAL; TRIVEDI UMANG 摘要:The present invention relates to synthesis of 4-oxo-4-[3-(trifluoromethyl)-5,6- dihydro [l,2,4]-triazolo[4,3-a]pyrazin-7(8H)-yl]-l-(2,4,5-trifluorophenyl)butan-2- amine of Formula (I) either in its racemic (R/S) form or any of its optically active (S) or (R) forms or enantiomeric excess mixture of any of the forms by novel processes. The invention further relates to certain novel intermediates useful in the preparation of compound of Formula (I) and processes for their preparation.
专利号:US-5059572-A 优先权日:1989-10-31 标题 :Catalyst and process for coupling organometallic reagents with aryl or vinylic halides 发明人:CORLEY LARRY S 权利人:SHELL OIL CO 摘要:A process and catalyst are disclosed for the catalyzed reaction of an organometallic reagent with a reactive halide in the presence of a diphosphine complex of a nickel carboxylate or sulfonate. The process can be employed in the synthesis of aromatic compounds such as bisbenzocyclobutenes.