CAS: 67-68-5; Dimethylsulfoxide

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二甲基硫置于过氧化脲素体系中,用 乙醇 作为反应溶剂,以98%的收率获得产物二甲基亚砜
参考文献:Salen铜(II)配合物在中孔mcm-41上作为纳米反应器催化剂进行了异质处理,用于使用过氧化脲氢(uhp)选择性氧化硫化物
标题:Salen铜(II)配合物在中孔mcm-41上作为纳米反应器催化剂进行了异质处理,用于使用过氧化脲氢(uhp)选择性氧化硫化物
摘要:摘要 合成了mcm-41二氧化硅球,并用3-氨丙基三乙氧基硅烷(3-Aptes)进行了功能化.席夫碱已衍生自氨基和5-硼水杨醛,然后制备了四齿cu(II)-席夫碱复合物.该化合物的特征在于x射线衍射,氮物理吸附,Uv-Vis光谱仪,透射电子显微图(tem),Ir光谱和tga / Dta技术.发现在介孔表面上制备的接枝cu-Salen-Mcm-41是一种有效和选择性的催化剂,用于在室温下用过氧化氢尿素(uhp)将不同的硫化物氧化成亚砜,从而获得优异的收率.结果表明,Cu-Salen-Mcm-41是硫化物氧化的有效催化剂,可以重复使用和再生,其催化能力没有明显降低.他们还表明,所制备的材料保留了非常好的中孔结构和最佳的催化性能. 图形概要
DOI:10.1007/s11164-014-1690-X

专利信息

专利号:WO-2021014395-A1
优先权日:2019-07-24
标题:Process for the synthesis of deuterated capsaicin, capsaicinoids and synthetic capsaicin analogs
发明人：ORUGANTI SRINIVAS; AMRUTAPU SRAVANTH KUMAR; SAMPATH MAGESH; SEN SAIKAT
权利人:DR REDDY’S INST OF LIFE SCIENCES
摘要:The present application provides novel processes for the synthesis of deuterated intermediates of capsaicinoids, particularly II, III, IV and V of capsaicinoids, relating to pharmaceutical applications. The invention also provides novel intermediates of compounds of formula IX, XIV, XV, XVI, XVII, XVIII, XX and XXI utilized in the process of making deuterated capsaicin II, III, IV and V.

专利号:US-9763452-B2
优先权日:2012-06-11
标 题 :Synthesis of MOFs
发明人：MORRIS RUSSELL EDWARD; WHEATLEY PAUL STEWART; WARRENDER STEWART; DUNCAN MORVEN
权利人:UNIV COURT UNIV ST ANDREWS; UNIVERISTY COURT OF THE UNIV OF ST ANDREWS
摘要:The present invention relates to the synthesis of a variety of metal organic frameworks (MOFs) using low temperature and solvents which are considered to be not particularly harmful to the environment. There is also provided novel MOFs which may be made by the desired processes.

专利号:US-2024409495-A1
优先权日:2021-10-20
标 题 :Process for the preparation of 2,7-dihydroxy-9-fluorenone useful for the synthesis of tilorone and its salts
发明人：JAISANKAR PARASURAMAN; DEB INDUBHUSAN; BHATTACHARJEE PINAKI
权利人:COUNCIL SCIENT IND RES
摘要:Methods involving preparation of building blocks of 2,7-dihydroxy-9-fluorenone toward the synthesis of tilorone dihydrochloride salt and other salts (bromide, iodide, fluoride, citrate, oxalate, maleate, phosphate, tartrate, triflate, trifluoroacetate, tetrafluoroborate) of tilorone, and an efficient, safe, cost effective method for the preparation of 2,7-bis-[2-(diethylamino)ethoxy]-fluorenone-9 and its various salts are developed. The methods involve oxygenation of fluorene, nitration of fluorenone, followed by reduction and diazotization toward the formation of 2,7-dihydroxy-9-fluorenone, which is the key intermediate for the formation of 2,7-bis-[2-(diethylamino)ethoxy]-9-fluorenone-dihydrochloride (Tilorone dihydrochloride) and other tilorone salts. The synthesis method has relatively simple operation, mild reaction conditions, high yield, and simple process with yields of 80-97%. Subsequent product purification of this method uses filtration and crystallization methods, avoiding the existing methods of column chromatography. Therefore, the research of its synthetic method being with a wide range of applications from the drug development and material synthesis point of view.

专利号:US-8350031-B2
优先权日:2008-06-02
标 题:Processes for the synthesis of levocetirizine and intermediates for use therein
发明人：RAO DHARMARAJ RAMACHANDRA; KANKAN RAJENDRA NARAYANRAO; GHAGARE MARUTI; CHIKHALIKAR SANDIP VASANT
权利人:CIPLA LTD; RAO DHARMARAJ RAMACHANDRA; KANKAN RAJENDRA NARAYANRAO; GHAGARE MARUTI; CHIKHALIKAR SANDIP VASANT
摘要:The present invention provides a compound of formula (IV) n nwherein R is Cl, Br, NO 2 , OH or OR′, and R′ is alkyl, and its use in the synthesis of levocetirizine, including its use in the synthesis of (−)-1-[(4-chlorophenyl)-phenylmethyl]piperazine, an intermediate useful in the synthesis of levocetirizine. The present invention also provides compounds (II) and (III) which are useful in the synthesis of compound (IV).

专利号:WO-2025053792-A1
优先权日:2023-09-06
标题:Collective synthesis of phantomolin family through total synthesis of the sesquiterpene lactone molephantin
发明人：CHIBA SHUNSUKE; PATOURET REMI HENRI LOUIS; LI HOI YEUNG; LAI SOAK KUAN
权利人:UNIV NANYANG TECH
摘要:Disclosed herein are processes to generate an intermediate in the total synthesis of (+)- molephantin or a derivative thereof, and a total synthesis of (+)-molephantin or a derivative thereof. Also disclosed herein are methods of forming a compound of formula XIV and of forming a compound of formula XV, wherein compound of formula XIV and compound of formula XV are as defined in the description.

专利号:US-8436206-B2
优先权日:2007-08-03
标 题:Process for the synthesis of (7-methoxy-1-naphthyl) acetonitrile and application in the synthesis of agomelatine
发明人：DUBUFFET THIERRY; LECOUVE JEAN-PIERRE; HERMET JEAN-PAUL
权利人:DUBUFFET THIERRY; LECOUVE JEAN-PIERRE; HERMET JEAN-PAUL; SERVIER LAB
摘要:Process for the industrial synthesis of the compound of formula (I) n nApplication of such process in the synthesis of agomelatine.