CAS: 2386-64-3; Ethylmagnesium Chloride

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CAS号78-10-4 正硅酸乙酯 | CAS号75-00-3 氯乙烷 | CAS号1067-20-5 3,3-二乙基戊烷 | CAS号106976-44-7 2-乙基-6-甲基苯甲醛 | CAS号456-49-5 间氟苯甲醚 | CAS号1351403-10-5 1-ethyl-2-fluor... | CAS号3952-66-7 2-氧代丁酸甲酯 | CAS号3131-63-3 2-乙基苯并呋喃 | CAS号557-20-0 二乙基锌 | CAS号92-52-4 联苯 | CAS号5707-44-8 4-乙基联苯 | CAS号115-21-9 乙基三氯硅烷

氯乙烷,Alkaline Earth Salt Of/the/ Methylsulfuric Acid置于乙醚体系中,化学反应生成乙基氯化镁
参考文献:Gilman Et Al.,Recueil Des Travaux Chimiques Des Pays-Bas,1935,Vol. 54,P. 588
标题:Gilman Et Al.,Recueil Des Travaux Chimiques Des Pays-Bas,1935,Vol. 54,P. 588

专利信息

专利号:US-11247977-B2
优先权日:2018-06-22
标题 :Compound and use thereof in synthesis of brivaracetam intermediate and crude drug
发明人：FENG YAN; WANG RUYONG; YE YIZHANG; ZHANG FENGSEN; GONG XUAN; WANG ZHONGHONG; KANG XINSHAN
权利人:FUJIAN HAIXI PHARMACEUTICALS CO LTD
摘要:The present application provides a compound in formula III, and further provides a use of the compound in the synthesis of a Brivaracetam intermediate and a crude drug, and a synthesis method. A raw material involved in the method of the present application is low in costs and easily available; (R)-4-propyl-dihydrofuran-2-ketone having high optical purity can be prepared; complicated separation and purification steps are avoided; costs are reduced, and the method is more applicable to industrial production.

专利号:US-10040752-B2
优先权日:2015-08-24
标 题 :Synthesis of levomethadone hydrochloride or dextromethadone hydrochloride and methods for use thereof
发明人：MKRTCHYAN GNEL; YAO QINGWEI
权利人:CODY LABORATORIES INC
摘要:Highly efficient methods for synthesis of levomethadone hydrochloride or dextromethadone hydrochloride are provided starting from D-alanine, or L-alanine, respectively, with retention of configuration. Methods for treating a subject are provided comprising administering a composition comprising an effective amount of levomethadone hydrochloride having not more than 10 ppm dextromethadone.

专利号:US-10000432-B2
优先权日:2014-01-13
标 题 :Processes for the synthesis of chiral 1-alkanols
发明人：NEGISHI EI-ICHI
权利人:PURDUE RESEARCH FOUNDATION
摘要:The invention relates to highly enantioselective processes for the synthesis of chiral 1-alkanols via Zr-catalyzed asymmetric carboalumination of alkenes.

专利号:US-4501921-A
优先权日:1982-11-18
标题 :Synthesis of alkylidene intermediates
发明人：RYAN CHARLES W; SLOMSKI BRUCE A
权利人:LILLY CO ELI
摘要:A stereo-selective preparation of novel sulfonated o-phenylenediamines carrying a trans-α-alkylidenebenzyl group at the 5-position, which are intermediates in the synthesis of antiviral benzimidazoles.

专利号:US-2010137659-A1
优先权日:2006-09-26
标题 :Process for the synthesis of 2,2',6-tribromobiphenyl
发明人：LEROUX FREDERIC; BONNAFOUX LAURENCE; COLOBERT FRANCOISE
权利人:LEROUX FREDERIC; BONNAFOUX LAURENCE; COLOBERT FRANCOISE
摘要:A process for the synthesis of 2,2′,6-tribromobiphenyl.

专利号:US-6814895-B2
优先权日:2000-12-20
标 题:Process for the synthesis of 1-(3,5-bis(trifluoromethyl)phenyl)ethan-1-one
发明人：CVETOVICH RAYMOND; ASAI TOMOYUKI; YODOGAWA YOSHIKO
权利人:MERCK & CO INC
摘要:The present invention is concerned with a novel process for the preparation of 1-(3,5-bis(trifluoromethyl)phenyl)ethan-1-one (CAS 30071-93-3). This compound is useful as an intermediate in the synthesis of therapeutic agents.