CAS: 34047-39-7; 4-Methylthio-2-Butanone

相似化合物

13296-23-6 859509-81-2 66735-69-1

上下游产品

CAS号17649-86-4 4,4-双(甲基硫基)丁-3-烯-2-酮 | CAS号74-93-1 甲硫醇 | CAS号78-94-4 丁烯酮 | CAS号6322-49-2 β-氯代丁酮 | CAS号5188-07-8 甲硫醇钠 | CAS号560095-47-8 (3-buten-2-yl)p... | CAS号28509-46-8 4-溴丁-2-酮 | CAS号68152-37-4 4-METHANESULPHO...

4,4-Bis(Methylthio)But-3-En-2-One置于dichloro(N,N,N',N'-Tetramethylethylenediamine)Zinc,锌体系中,用 乙醇 作为反应溶剂,化学反应 7.0H,以55%的收率获得产物4-甲硫基-2-丁酮
参考文献:在乙醇中用zn / Zncl 2-Tmeda逐步控制还原α-氧杂环丁烯二硫缩醛
标题:在乙醇中用zn / Zncl 2-Tmeda逐步控制还原α-氧杂环丁烯二硫缩醛
摘要:在控制的反应条件下,在回流的乙醇中,α-氧杂环丁烯二硫缩醛1与zn / Zncl 2-Tmeda发生高度选择性的共轭还原,依次反应生成β-甲基硫代亚甲基酮6,β-甲基硫代酮7和完全脱硫的α-甲基酮8. .
DOI:10.1016/0040-4020(96)00139-1

专利信息

专利号:US-7662997-B2
优先权日:2004-12-30
标 题 :Synthesis and applications of 2-oxo-4-methylthiobutyric acid, its salts and its derivatives
发明人：REY PATRICK; BLANCHARD GILBERT
权利人:ADISSEO IRELAND LTD
摘要:The invention relates to a process for preparing 2-oxo-4-methylthiobutyric acid (I), its salts and its derivatives n n n n n n n n n n n n in which R represents a group chosen from COOH, COOR′, NH 2 , NHR′ or NR′R″, where R′ and R″ are chosen, independently of one another, from the group of linear or branched alkyl radicals having from 1 to 12 carbon atoms and cycloalkyl radicals having from 3 to 12 carbon atoms, n according to which process but-3-ene-1,2-diol (II) is catalytically and selectively oxidized to give 2-oxobut-3-enoic acid (III) and methyl mercaptan is selectively condensed with 2-oxobut-3-enoic acid (III). n 2-Oxo-4-methylthiobutyric acid (I), its salts and its derivatives are used as food supplement, in particular in animal nutrition.

专利号:US-10442760-B2
优先权日:2014-12-05
标 题 :Catalytic oxidation of but-3-ene-1,2-diol
发明人：REY PATRICK; BELLIERE-BACA VIRGINIE; DUMEIGNIL FRANCK; GRASSET FABIEN
权利人:ADISSEO FRANCE SAS
摘要:The invention concerns a synthesis process of a compound of the following formula (I) or one of the salts thereof, n n n n n n n n n n n n wherein R represents a COOH, CH 2 OH or CHO group, n comprising the step according to which the but-3-ene-1,2-diol (BDO) is subjected to an oxidation in the presence of a catalyst, said catalyst comprising an active phase based on at least one noble metal selected from palladium, gold, silver, platinum, rhodium, osmium, ruthenium and iridium, and a support containing alkaline sites. n n n n n The invention also concerns the application of this reaction to the preparation of bioavailable compounds of methionine used, in particular, in animal nutrition.

专利号:CN-113511991-B
优先权日:2021-07-08
标 题 :Synthesis method of halogenated alkane thioetherification and thiocarbonylation