📜N-(2-Pyridyl)Sulfonyl Indoline置于palladium Diacetate,1-氟-2,4,6-三甲基吡啶三氟甲烷磺酸盐,Magnesium体系中,用 甲醇,1,2-二氯乙烷 作为反应溶剂,化学反应生成 咯喹酮 参考文献:Pdii-Catalyzed Di-O-Olefination Of Carbazoles Directed By The Protecting N-(2-Pyridyl)Sulfonyl Group 标题:Pdii-Catalyzed Di-O-Olefination Of Carbazoles Directed By The Protecting N-(2-Pyridyl)Sulfonyl Group 摘要:Despite The Significance Of Carbazole In Pharmacy And Material Science,Examples Of The Direct C-H Functionalization Of This Privileged Unit Are Quite Rare. The N-(2-Pyridyl)Sulfonyl Group Enables The Pd-Ii-Catalyzed Ortho-Olefination Of Carbazoles And Related Systems,Acting As Both A Directing And Readily Removable Protecting Group. This Method Features Ample Structural Versatility,Affording Typically The Double Ortho-Olefination Products (At Cl And C8) In Satisfactory Yields And Complete Regiocontrol. The Application Of This Procedure To Related Heterocyclic Systems,Such As Indoline,Is Also Described. DOI:10.1021/ol400206K
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-4886887-A 优先权日:1985-11-08 标 题 :Process for the preparation of indolines 发明人:AEBLI BEAT M; GREMMELMAIER CLAUDE 权利人:CIBA GEIGY CORP 摘要:Indolines of the formula ##STR1## wherein R 1 is hydrogen or C 1 -C 4 alkyl and each of R 2 and R 3 independently of the other is hydrogen, C 1 -C 4 alkyl or phenyl, are prepared by cyclodehydrating a 2-(2'-aminophenyl)ethanol of formula ##STR2## wherein R 1 , R 2 and R 3 are as defined above, at 150°-350° C. in the presence of an amorphous aluminum silicate. n The indolines of the above formula are useful intermediates for the synthesis of plant protective agents.
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.
参考文献:10.3389/fmicb.2011.00096 摘要:Thywißen A, Heinekamp T, Dahse HM, Schmaler-Ripcke J, Nietzsche S, Zipfel PF, Brakhage AA. Conidial Dihydroxynaphthalene Melanin of the Human Pathogenic Fungus Aspergillus fumigatus Interferes with the Host Endocytosis Pathway. Front Microbiol. 2011;2():96.