CAS: 126833-17-8; N-(2,3-Dichloro-4-Hydroxyphenyl)-1-Methylcyclohexanecarboxamide

📜二氯-苯酚置于盐酸,Sodium Dithionite,三乙胺,Sodium Hydroxide体系中,用 乙醇,水,乙酸乙酯 用作溶剂,化学反应 11.9H,反应生成环酰菌胺
参考文献:一种环酰菌胺及其合成方法
标题:一种环酰菌胺及其合成方法
摘要:本发明公开了一种环酰菌胺及其合成方法,包括以下原料:苯胺,盐酸,亚硝酸钠溶液,2,3－二氯苯酚,氢氧化钠,水,乙醇,保险粉,1－甲基环已酸,二氯甲烷,N,N‑二甲基甲酰胺,氯化亚砜,乙酸乙酯和三乙胺.本发明所得的该环酰菌胺的含量在98%以上,收率达到86~87%,在环酰菌胺合成过程中,偶氮物还原生成2,3－二氯－4－羟基苯胺时,采用保险粉还原,保险粉的还原性强,在弱碱性还原反应速度快,将氢氧化钠和保险粉交叉投入,可使转化率在98%以上,并且加完保险粉有反酸现象,最终使ph维持在6~7之间.环酰菌胺的生产条件温和,易操作,安全性高,总收率高,成本低,适用于企业规模化生产和应用.

专利信息

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-2023089578-A1
优先权日:2021-11-22
标题:A synthesis process of iron-bearing compositions and possible additional essential elements
发明人：MORMILE SILVIA; GUSMEROLI MARILENA; ZANARDI GIAMPAOLO; BIANCHI DANIELE; COTROMINO MICHELE; SARGIOTTO CHIARA; LIGUORI RICCARDO
权利人:GOWAN CROP PROT LIMITED
摘要:A synthesis process of iron-bearing compositions and possible additional essential elements is described for treating nutritional deficiencies in plants, in particular for the prevention and treatment of physiological alterations or nutritional unbalances in plants due to the deficiency of iron and other essential elements, and the iron-bearing compositions and possibly further essential elements obtained with said process.

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.