CAS: 2074-50-2; Paraquat Dimetilsulfate

4,4'-联吡啶置于苯酐,双氧水,尿素体系中,用 氯磺酰异氰酸酯,二氯甲烷 用作溶剂,化学反应 72.5H,反应生成百草枯
参考文献:新型手性恶唑啉配体在 Rh(I) 催化的对映选择性氢化硅烷化中具有潜在的电荷转移效应
标题:新型手性恶唑啉配体在 Rh(I) 催化的对映选择性氢化硅烷化中具有潜在的电荷转移效应
摘要:新型 2-(4,4'-Bipyridin-2-yl) 恶唑啉具有手性恶唑啉部分,从 4,4'-联吡啶开始合成,并在 N'-位选择性地单甲基化.在与铑配位后,这些缺电子配体应该在 Rh(I) 催化的对映选择性氢化硅烷化中表现出与供电子底物的电荷转移效应(见下一篇出版物).与铑络合后,4,4'-联吡啶和吡嗪-双恶唑啉也有类似的效果.为了比较,合成了 2-(4-苯基吡啶-2-基)恶唑啉配体.制备并表征了选定配体的 Rh(I)-配合物,包括 X 射线结构分析.
Doi:10.1002/(Sici)1099-0682(199806)1998:6<771::Aid-Ejic771>3.0.Co;2-Y

专利信息

专利号:US-2010190794-A1
优先权日:2007-06-12
标 题:Herbicidally Active Composition
发明人：HUPE EIKE; MOBERG WILLIAM KARL; REINHARD ROBERT; SIEVERNICH BERND; KIBLER ELMAR
权利人:BASF SE
摘要:The present invention relates to herbicidally active compositions comprising at least one piperazinedione compound of the formula I n n n n n n n n n n n n in which: n R x , R y are each hydrogen or together are a chemical bond; n R 1 is cyano or nitro; n R 2 is hydrogen, fluorine, chlorine, C 1 -C 2 -alkyl, ethenyl or C 1 -C 2 -alkoxy; n R 3 is fluorine or hydrogen; n R 4 is methyl; n R 5 is hydrogen, methyl or ethyl; n R 6 is hydrogen, methyl or ethyl; and n R 7 is hydrogen or halogen; n and at least one further active compound selected from the group consisting of n b1) lipid biosynthesis inhibitors; n b2) acetolactate synthase inhibitors (ALS inhibitors); n b3) photosynthesis inhibitors; n b4) protoporphyrinogen-IX oxidase inhibitors, n b5) bleacher herbicides; n b6) enolpyruvyl shikimate 3-phosphate synthase inhibitors (EPSP inhibitors); n b7) glutamine synthetase inhibitors; n b8) 7,8-dihydropteroate synthase inhibitors (DHP inhibitors); n b9) mitose inhibitors; n b10) inhibitors of the synthesis of very long chain fatty acids (VLCFA inhibitors); n b11) cellulose biosynthesis inhibitors; n b12) decoupler herbicides; n b13) auxin herbicides; n b14) auxin transport inhibitors; n b15) other herbicides, and n C) safeners.

专利号:BR-112019014061-A2
优先权日:2017-01-23
标 题 :compounds of formula i, intermediates b, intermediates c, intermediates ii and intermediates d, composition, use, method to combat phytopathogenic fungi, seed and process for the synthesis of the compounds of formula i

专利号:CA-2510128-A1
优先权日:2001-12-18
标 题 :Composition, synthesis and therapeutic applications of polyamines