📜5-氯-3-三氯甲基-1,2,4-噻二唑,Sodium Ethanolate 以 乙醇 用作溶剂,化学反应生成二甲基苯基丙烯酯 参考文献:Synthesis Of Polyfluorinated Heterocycles By Indirect Fluorination With Silver Fluorides. Iv. Fluorothiadiazoles1,2 标题:Synthesis Of Polyfluorinated Heterocycles By Indirect Fluorination With Silver Fluorides. Iv. Fluorothiadiazoles1,2 摘要: Doi:10.1021/jo01054A068
专利号:WO-2025056767-A1 优先权日:2023-09-15 标题 :Process for the preparation of enantiomerically enriched aliphatic amines 发明人:BOU HAMDAN FARHAN; GODINEAU EDOUARD; SMEJKAL TOMAS; DUMEUNIER RAPHAEL; BOUSSEMGHOUNE MOHAMED ABDELOUAHAB; BLUM MATHIAS 权利人:SYNGENTA CROP PROTECTION AG 摘要:The present invention relates to a process for the preparation of enantiomerically enriched cyclobutylamines of formula (I) from α-tertiary cyclobutanones and reacting said enantiomerically enriched cyclobutylamines to enantiomerically enriched cyclobutylamides. Such compounds are useful intermediates in the synthesis of microbiocidal thiazole compounds.
专利号:US-2016073631-A1 优先权日:2013-03-04 标 题 :Process for the preparation of dihydropyrrole derivatives 发明人:EL QACEMI MYRIEM; SMITS HELMARS; CASSAYRE JEROME YVES; MULHOLLAND NICHOLAS PHILLIP; RENOLD PETER; GODINEAU EDOUARD; PITTERNA THOMAS 权利人:SYNGENTA PARTICIPATIONS AG; SYNGENTA LTD 摘要:The present invention provides stereoselective processes for the preparation of compounds of formula (I) n n n n n n n n n n n n wherein n P is phenyl, naphthyl, a 6-membered heteroaryl group containing one or two nitrogen atoms as ring members, or a 10-membered bicyclic heteroaryl group containing one or two nitrogen atoms as ring members, and wherein the phenyl, naphthyl and heteroaryl groups are optionally substituted; n R 1 is chlorodifluoromethyl or trifluoromethyl; n R 2 is optionally substituted aryl or optionally substituted heteroaryl; n n is 0 or 1; n including the process comprising n (a-i) reacting a compound of formula II n n n n n n n n n n n n n n n n wherein P, R 1 and R 2 are as defined for the compound of formula I; n with nitromethane in the presence a chiral catalyst to give a compound of formula III n n n n n n n n n n n n n n n n wherein P, R 1 and R 2 are as defined for the compound of formula I; and n (a-ii) reductively cyclising the compound of formula III to give the compound of formula I. n n n n n The invention also provides intermediates useful for processes for the synthesis of compounds of formula (I).
专利号:US-9233920-B2 优先权日:2010-06-11 标题 :Process for the preparation of dihydropyrrole derivatives 发明人:EL QACEMI MYRIEM; SMITS HELMARS; CASSAYRE JEROME YVES; MULHOLLAND NICHOLAS PHILLIP; RENOLD PETER; GODINEAU EDOUARD; PITTERNA THOMAS 权利人:EL QACEMI MYRIEM; SMITS HELMARS; CASSAYRE JEROME YVES; MULHOLLAND NICHOLAS PHILLIP; RENOLD PETER; GODINEAU EDOUARD; PITTERNA THOMAS; SYNGENTA PARTICIPATIONS AG; SYNGENTA LTD 摘要:The present invention provides stereoselective processes for the preparation of compounds of formula (I) wherein P is phenyl, naphthyl, a 6-membered heteroaryl group containing one or two nitrogen atoms as ring members, or a 10-membered bicyclic heteroaryl group containing one or two nitrogen atoms as ring members, and wherein the phenyl, naphthyl and heteroaryl groups are optionally substituted; R 1 is chlorodifluoromethyl or trifluoromethyl; R 2 is optionally substituted aryl or optionally substituted heteroaryl; n is 0 or 1; including the process comprising (a-i) reacting a compound of formula II wherein P, R 1 and R 2 are as defined for the compound of formula I; with nitromethane in the presence a chiral catalyst to give a compound of formula III Wherein P, R 1 and R 2 are as defined for the compound of formula I; and (a-ii) reductively cyclizing the compound of formula III to give the compound of formula I. The invention also provides intermediates useful for processes for the synthesis of compounds of formula (I).
专利号:WO-2023046836-A1 优先权日:2021-09-24 标 题:Process for preparing sartans 发明人:ZUPANCIC SILVO; SENICAR TANJA; PERÅ E BOÅ TJAN; BOMBEK SERGEJA; KLOBCAR ANDREJ; KRAÅ OVEC DuÅ¡an 权利人:KRKA D D NOVO MESTO 摘要:The present application relates to a process for purifying a tetrazole-containing-sartan or a tetrazole-containing-sartan intermediate, the process comprising the steps of (a) providing a composition comprising an azide-impurity together with a tetrazole-containing-sartan or with an intermediate of a tetrazole-containing-sartan; (b) treating the composition provided in step (a) with a reducing agent; preferably reacting the azide-impurity with a reducing agent thereby obtaining an amine-impurity; and (c) optionally, isolating the tetrazole-containing-sartan or the intermediate of the tetrazole-containing-sartan from the composition. The application further relates to a process for the synthesis of tetrazole-containing-sartans which ensures azide-impurities free final active pharmaceutical ingredients as well as azide-impurities free intermediates of tetrazole-containing-sartans that are suitable for the subsequent synthesis of tetrazole-containing-sartans.
专利号:US-10906880-B2 优先权日:2016-01-26 标题:Kind of isothiazole oxime ether-containing strobilurin derivatives and its preparation methods and application 发明人:FAN ZHIJIN; CHEN LAI; GUO XIAOFENG; ZHU YUJIE; QIAN XIAOLIN; MA LIUYONG; ZHANG NAILOU; WANG HAIXIA; ZHANG ZHIMING; XU JINGHUA; SONG YINQI 权利人:UNIV NANKAI 摘要:The present invention is that provided a synthesis method of a series of isothiazole oxime ether containing strobilurin derivatives IV. The present invention relates to 3,4-dichloroisothiazolyl oxime ether strobilurin derivatives, and their chemical structural formula is as shown by IV. n n n n n n n n n n The invention discloses the structural formula of the above compound, the synthesis method and the use as an insecticide, a fungicide, an anti-plant virus agent, and an agriculturally acceptable auxiliary or synergist and a commercial insecticide. The use of a fungicide, an anti-plant virus agent and an acaricide in combination for controlling agricultural, forestry, horticultural plant pests, diseases, virus diseases and preparation methods.
专利号:US-9968097-B2 优先权日:2012-05-30 标题:Composition comprising a biological control agent and a fungicide selected from inhibitors of the lipid membrane synthesis, the melanine biosynthesis, the nucleic acid synthesis or the signal transduction 发明人:WACHENDORFF-NEUMANN ULRIKE; ANDERSCH WOLFRAM; STENZEL KLAUS; SPRINGER BERND 权利人:BAYER CROPSCIENCE AG 摘要:The present invention relates to a composition comprising at least one biological control agent. Furthermore, the present invention relates to the use of this composition as well as a method for reducing overall damage of plants and plant parts.
1: Liu C, Qiang Z, Tian F, Zhang T. Photodegradation of etridiazole by UV radiation during drinking water treatment. Chemosphere. 2009 Jul;76(5):609-15. doi: 10.1016/j.chemosphere.2009.04.052. Epub 2009 May 23. doi: 10.1016/j.envint.2016.02.008. Epub 2016 Feb 22. doi: 10.1094/PHYTO-01-11-0010. Chinese. doi: 10.1016/j.foodchem.2013.05.027. Epub 2013 May 18. Epub 2006 May 22. 10: Fussell RJ, Hetmanski MT, Colyer A, Caldow M, Smith F, Findlay D. Assessment of the stability of pesticides during the cryogenic processing of fruits and vegetables. Food Addit Contam. 2007 Nov;24(11):1247-56. doi: 10.1094/PHYTO-12-09-0351. Russian. Russian. doi: 10.1094/PHYTO.2003.93.1.46. Russian. Russian. Russian.
合成参考文献
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