CAS: 113583-35-0; 2-Methanesulfonyl-4,6-Dimethoxypyrimidine

相似化合物

89466-55-7 90905-46-7 57268-32-3

上下游产品

CAS号90905-46-7 4,6-二甲氧基-2-甲硫基嘧啶 | CAS号20277-69-4 甲烷亚磺酸钠 | CAS号13223-25-1 2-氯-4,6-二甲氧基嘧啶 | CAS号1979-98-2 2-甲硫基-4,6-二羟基嘧啶 | CAS号106615-46-7 4,6-二甲氧基-2-(1-哌嗪)嘧啶 | CAS号110284-90-7 methyl 2-(4,6-d... | CAS号110284-76-9 2-(4,6-dimethox... | CAS号90905-46-7 4,6-二甲氧基-2-甲硫基嘧啶 | CAS号57235-35-5 4,6-二甲氧基-2-巯基嘧啶 | CAS号171714-84-4 达芦生坦 | CAS号135186-78-6 环酯草醚

4,6-二甲氧基-2-甲硫基嘧啶置于chromium(Vi) Oxide,过碘酸体系中,用 乙酸乙酯,乙腈 用作溶剂,化学反应 0.5H,以75%的收率获得4,6-二甲氧基-2-甲磺酰基嘧啶
参考文献:A Facile Synthesis Of [14C]Pyrithiobac-Sodium
标题:A Facile Synthesis Of [14C]Pyrithiobac-Sodium
摘要:这是一段有关农药吡硫酯钠合成路线的描述.主要步骤如下: 1. 硫脲(1)与丙二酸二乙酯(2)在甲醇钠存在下缩合得到4,6-二羟基-2-巯基嘧啶(3). 2. 化合物3经重氮甲烷甲基化,然后用乙酸乙酯中的h5Io6/cro3氧化得到4,6-二甲氧基-2-甲基磺酰基嘧啶(5). 3. 化合物5与2-巯基-6-氯苯甲酸在相转移催化剂四丁基溴化铵和碳酸钠存在下缩合,得到目标产物吡硫酯钠(6),从硫脲开始的总收率大于35%. 4. 按照上述标准程序,用[14C]-硫脲代替硫脲,合成了14C标记的产物6,总放射化学收率大于30%(相对于[14C]-硫脲),用于进一步评估化合物6在土壤和植物中的环境归趋. 版权所有 © 2006 John Wiley & Sons,Ltd.
Doi:10.1002/jlcr.1048

专利信息

专利号:RU-2040522-C1
优先权日:1990-06-07
标题:Method of synthesis of substituted phthalides or heterocyclic phthalides

专利号:EP-0623613-A1
优先权日:1993-05-03
标题 :Fungicidal spiroheterocyclic compounds
发明人：PFRENGLE WALDEMAR FRANZ AUGUST
权利人:SHELL INT RESEARCH
摘要:New fungicidal spiroheterocyclic compounds are described, having the general formula I,n n in whichn X represents O or CHâ‚‚, R¹ represents a hydrogen atom or an optionally substituted alkyl, cycloalkyl, haloalkyl, alkenyl, alkynyl, aryl or aralkyl group, R² or each R² independently represents an optionally substituted alkyl, cycloalkyl, cycloalkylalkyl, alkoxy, alkoxyalkyl, aryl or aryloxy group, or R² or each R², together with the ring to which they are attached, represents a polycyclic hydrocarbyl group, A and B both represent a nitrogen atom, or A represents a group CRâ?µ and B represents a nitrogen atom or a group CRâ?¶, R³, Râ?´, Râ?µ and Râ?¶ each independently represent a hydrogen or halogen atom, a hydroxy or cyano group or an optionally substituted alkyl, alkenyl, alkynyl, haloalkyl, alkoxyalkyl, aralkyl, aryl, alkylamino, alkylthio or alkoxy or group, l represents an integer from 1 to 3, m represents zero or an integer from 1 to 6, and n represents zero or an integer from 1 to 3. n The invention further relates to the preparation of the above spiroheterocyclic compounds, intermediates prepared during the synthesis of these compounds, compositions containing the compounds and their use as fungicides in the controlof undesired plant growth.

专利号:US-2012178931-A1
优先权日:2009-08-31
标题 :Process for preparation of pyrimidinylacetonitrile derivatives and intermediates for synthesis thereof

专利号:CN-103012289-B
优先权日:2011-09-26
标题 :Synthesis and biological activity of cyanoacrylate compounds containing pyrimidine phenyl ether structure

专利号:CN-103012289-A
优先权日:2011-09-26
标题 :Synthesis and biological activity of cyanoacrylate compounds containing pyrimidine phenyl ether structure

专利号:EP-2474536-B1
优先权日:2009-08-31
标 题 :Process for preparation of pyrimidinylacetonitrile derivatives and intermediates for synthesis thereof
发明人：KAWAZOE KENTARO
权利人:IHARA CHEMICAL IND CO