CAS: 756-80-9; Dimethoxy-Sulfanyl-Sulfanylidene-λ5-Phosphane

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马拉松置于1-Butyl-3-Methylimidazolium Alanine体系中,用 乙腈 作为反应溶剂,化学反应生成 二甲基二硫代磷酸酯
参考文献:微波辅助碳酸丙烯酯中有机磷农药的亲核降解
标题:微波辅助碳酸丙烯酯中有机磷农药的亲核降解
摘要:在化学反应研究中,碳酸丙烯酯正在成为挥发性有机溶剂的合适绿色替代品.在这项研究中,提出了一种以碳酸亚丙酯作为反应溶剂,对五种有机磷农药杀螟硫磷,马拉硫磷,二嗪农,对硫磷和对氧磷进行亲核降解的有效方法.研究了改变亲核试剂性质的影响和微波 (Mw) 加热的影响.在微波加热下进行温度筛选(50oc-120oc).农药降解紧随其后的是31P NMR和转化程度(%)通过磷信号的积分计算.请记住,最近有报道称一些离子液体具有亲核作用,在这项工作中,我们首次报道了使用基于氨基酸的离子液体(如 Bmim[ala])作为亲核试剂降解有机磷农药以及作为反应介质的生物基溶剂(碳酸亚丙酯)与微波加热相结合.
DOI:10.1039/d0Ob01620A

专利信息

专利号:US-4528140-A
优先权日:1983-07-08
标 题 :Synthesis of alpha-dithiophosphato amides
发明人：CRAWFORD ROBERT J
权利人:PROCTER & GAMBLE
摘要:A process for synthesizing alpha-substituted O,O-dialkyl dithiophosphato amides, comprising the step of contacting a C 8 -C 22 alpha-chloro amide with an aqueous solution of a salt of an O,O-dialkyl dithiophosphoric acid, at a temperature above the melting point of the alpha-chloro amide and in the range of from about 100° C. to about 200° C., is disclosed.

专利号:US-11352381-B2
优先权日:2018-09-27
标 题:Catalyzed and green process of malathion
发明人：HUANG DAVID; FAN BOLIN; LUO KEVIN
权利人:CHEMINOVA AS
摘要:The present invention relates to an improved synthesis of malathion. The presence of an acid facilitates the reaction between O,O-dimethyldithiophosphoric acid (O,O-DMDTPA) and maleate and leads to excellent product yield in shorter reaction time with fewer impurities.

专利号:US-2003171570-A1
优先权日:2000-03-18
标 题 :Reactive monomers for the oligonucleotide and polynucleotide synthesis , modified oligonucleotides and polynucleotides, and a method for producing the same
发明人：SCHWEITZER MARKUS
摘要:The invention relates to the production of modified oligonucleotides and to their use for conjugation reactions. The invention further relates to reagents and to methods for producing aldehyde-modified oligonucleotides that contain aldehydes that are protected (masked) as acetals. Once said acetals are incorporated into the oligonucleotides the oligonucleotides are converted to aldehydes and are used for conjugation. The conjugation reaction can be carried out with the free oligonucleotide or with the oligonucleotide that is still immobilized on the substrate.

专利号:US-7276599-B2
优先权日:2003-06-02
标 题 :Oligonucleotide synthesis with alternative solvents
发明人：MOORE MAX N; ANDRADE MARK; CARTY RECALDO; SCOZZARI ANTHONY; KROTZ ACHIM
权利人:ISIS PHARMACEUTICALS INC
摘要:The invention provides for methods of manufacturing an oligonucleotide comprising a pentavalent phosphate triester. In particular, the method comprises providing a 5' blocked-nucleoside, deblocking the 5' blocked-nucleoside to form a 5' OH-nucleoside, coupling the 5' OH-nucleoside with a phosphoramidite to form and oligonucleotide comprising a trivalent phosphite triester; and oxidizing the oligonucleotide comprising a trivalent phosphite triester to the oligonucleotide comprising a pentavalent phosphate triester. In some embodiments, the wash between any of the steps above is with at least one solvent wash comprising a toluene.

专利号:US-4395551-A
优先权日:1981-12-10
标题:Pyridopyrimidinone compounds
发明人：DEKEYSER MARK A; PIERCE BENJAMIN J; MOORE RICHARD C; HUBBARD WINCHESTER L
权利人:UNIROYAL INC
摘要:A compound of the formula ##STR1## wherein R and R 1 together form a 1,3-butadien-1,4-diyl group optionally substituted with a methyl or chloro group and R 2 is halogen is disclosed. The compound is useful as an intermediate in the synthesis of insecticidal organophosphorus compounds.

专利号:CN-1170412-A
优先权日:1994-11-02
标题:Sugar-modified nucleosides and their use for the synthesis of oligonucleotides