2-仲丁基苯酚,甲基甲基氨基甲酸酯置于三氯氧磷体系中,用60%的收率获得产物仲丁威 参考文献:Contra-Thermodynamic Trans-Esteripication Of Carbamates By Counter-Attack Strategy: A Viable Non-Phosgene,Non-Mic Route To Carbamate Pesticides 标题:Contra-Thermodynamic Trans-Esteripication Of Carbamates By Counter-Attack Strategy: A Viable Non-Phosgene,Non-Mic Route To Carbamate Pesticides 摘要:Treatment Of Methyl N-Methylcarbamate (1,R= Me) With Phosphorus Oxychloride And 1-Naphthol Results In The Formation Of The Transesterified Product,1-Naphthyl N-Methylcarbamate (2,Ar = 1-Naphthyl) In Good Yield. Similarly,Ethyl N-Methylthiocarbamate (5) Is Converted To 1-Naphthyl N-Methylcarbamate (2,Ar = 1-Naphthyl) On Treatment With Phosphorus Oxychloride And 1-Naphthol. The Mechanism Of These Interesting And Industrially Important Transformations Is Discussed. DOI:10.1016/s0040-4020(01)86381-X
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: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-2007232495-A1 优先权日:2006-03-24 标题:Compositions and methods to add value to plant products, increasing the commercial quality, resistance to external factors and polyphenol content thereof 发明人:NAPPA ALVARO O; LORENZINI FELIPE C; SANHUEZA ANDRES L 权利人:NAPPA ALVARO O; LORENZINI FELIPE C; SANHUEZA ANDRES L 摘要:The invention is related to compositions and methods that naturally protect plant tissues against ultraviolet radiation and temperature, thus giving protection against sunburn to plants, plant parts, fruits and/or flowers during their development. The invention is also related to compositions and methods to naturally improve the color of plants, plant parts, fruits and/or flowers by inducing the natural synthesis of flavonoids and anthocyanins present in plants. Likewise, the present invention is directed to improving the nutritional value of plants, plant parts, fruits and/or flowers by increasing the normal levels of polyphenolic compounds, especially flavonoids, present therein. Additionally, the present invention is related to compositions and methods that give more resistance to plants, plant parts, fruits and/or flowers against pathogens as bacteria and fungi. Finally, the present invention is related to plants, plant parts, fruits, flowers and/or propagating material treated with the compositions described in the present document.
专利号:WO-2021074309-A1 优先权日:2019-10-16 标 题:1-(3-quinolyl)-3,4-dihydroisoquinoline derivatives as fungicides for combating specific phytopathogens 发明人:WEISS MATTHIAS; QUARANTA LAURA; BOU HAMDAN FARHAN; MAHAJAN ATUL; WILLIAMS SIMON; KILARU JAGADEESH; SEN INDIRA; BIERI STEPHANE; DIGGELMANN MARTIN 权利人:SYNGENTA CROP PROTECTION AG 摘要:1-(3-quinolyl)-3,4-dihydroisoquinoline derivatives of formula (I) as well as a method of combating, preventing or controlling the phytopathogens Mycosphaerella graminicola (Septoria tritici), Fusarium culmorum, Gibberella zeae (Fusarium graminearum) and Monographella nivalis (Microdochium nivale), which comprises applying to the phytopathogen, to the locus of the phytopathogen, or to a plant susceptible to attack by the phytopathogen, or to propagation material thereof, a fungicidally effective amount of a 1-(3-quinolyl)-3,4-dihydroisoquinoline derivative of formula (I). The present description discloses the synthesis of exemplary compounds, formulation examples, relevant biological data (antifungal activity against Mycosphaerella graminicola (Septoria tritici), Fusarium culmorum, Gibberella zeae (Fusarium graminearum) and Monographella nivalis (Microdochium nivale) when spayed on plants), as well as comparative data against three prior art compounds (e.g. pages 52 to 85; formulation examples; examples A1 to A3; table E; compounds E.01 to E.187; biological examples). Exemplary compounds are e.g.: 5-bromo-1-(8-fluoro-3-quinolyl)spiro[4H-isoquinoline-3,1'- cyclopropane] (example A1) 5-bromo-1-(8-fluoro-3-quinolyl)-3,3-dimethyl-4H-isoquinoline (example A2) 1-(8-fluoro-3-quinolyl)-3,3-dimethyl-4H-isoquinoline-5-carbonitrile (example A3)
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合成参考文献
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