2,4-dibromo-6-methyl-anisole | 7463-93-6

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 英文名称: 2,4-dibromo-6-methyl-anisole
• 英文别名: Methyl-(4.6-dibrom-2-methyl-phenyl)-aether；3.5-Dibrom-2-methoxy-toluol；2,4-Dibrom-6-methyl-anisol；2,4-Dibromo-6-methylanisole；4,6-Dibrom-1-methoxy-2-methyl-benzol；1,5-Dibromo-2-methoxy-3-methylbenzene
• CAS: 7463-93-6
• 化学式: C₈H₈Br₂O
• mdl: MFCD20501464
• 分子量: 279.959
• InChiKey: AYOMUNYKNNGFSZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.6
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  2,4-dibromo-6-methyl-anisole 在 硫酸 、 硝酸 作用下， 生成 2,4-dibromo-6-methyl-3,5-dinitro-anisole
  参考文献：
  名称：

  Kohn; Segel, Monatshefte fur Chemie, 1925, vol. 46, p. 669

  摘要：

  DOI：
• 作为产物：
  描述：

  2-甲基苯甲醚 生成 2,4-dibromo-6-methyl-anisole
  参考文献：
  名称：

  KAJIGAESHI, SHOJI;MORIWAKI, MASAYUKI;TANAKA, TOSHIO;FUJISAKI, SHIZUO;KAKI+, J. CHEM. SOC. PT 1. PERKIN TRANS.,(1990) N, C. 897-899

  摘要：

  DOI：

文献信息

• 5-Cyano-2,3-dihydrobenzofurans useful as herbicides
  申请人：Fisons Limited

  公开号：US04263037A1

  公开（公告）日：1981-04-21

  The invention provides herbicidally-active 2,3-dihydro-5-cyanobenzofurans of the formula: ##STR1## (wherein: R.sup.1 and R.sup.2 together represent .dbd.O or R.sup.1 represents hydrogen and R.sup.2 represents hydrogen, hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, alkylthiocarbonyloxy, halogen, isothiocyanato, amino, alkylamino, dialkylamino, arylamino, acylamino, alkoxycarbonylamino, alkylthiocarbonylamino, N-bonded heterocyclyl, cyano or alkylthio; R.sup.3 and R.sup.4 together represent alkylene or each represent hydrogen or alkyl; and R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each represent hydrogen, halogen, alkyl, alkoxy, acyl or cyano), processes for their preparation and herbicidal compositions containing them.

  本发明提供了具有除草活性的2,3-二氢-5-氰基苯并呋喃式化合物，其化学式为：##STR1##（其中：R1和R2在一起表示.dbd.O，或R1表示氢，而R2表示氢、羟基、烷氧基、酰氧基、烷氧羰基氧基、烷基硫酰羟基氧基、卤素、异硫氰酸基、氨基、烷基氨基、二烷基氨基、芳基氨基、酰基氨基、烷氧羰基氨基、烷基硫酰羰基氨基、N-键合杂环基、氰基或烷硫基；R3和R4在一起表示烷基，或各自表示氢或烷基；而R5、R6和R7，可以相同也可以不同，分别表示氢、卤素、烷基、烷氧基、酰基或氰基），本发明还提供了制备这些化合物的方法和含有它们的除草剂组合物。
• Herbicidal 5-cyano-2,3-dihydro-benzofuran-2-ones
  申请人：Fisons Limited

  公开号：US04333759A1

  公开（公告）日：1982-06-08

  The invention provides herbicidally-active 2,3-dihydro-5-cyanobenzofurans of the formula: ##STR1## (wherein: R.sup.1 and R.sup.2 together represent .dbd.O or R.sup.1 represents hydrogen and R.sup.2 represents hydrogen, hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, alkylthiocarbonyloxy, halogen, isothiocyanato, amino, alkylamino, dialkylamino, arylamino, acylamino, alkoxycarbonylamino, alkylthiocarbonylamino, N-bonded heterocyclyl, cyano or alkylthio; R.sup.3 and R.sup.4 together represent alkylene or each represent hydrogen or alkyl; and R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each represent hydrogen, halogen, alkyl, alkoxy, acyl or cyano), processes for their preparation and herbicidal compositions containing them. ,

  本发明提供了具有除草活性的2,3-二氢-5-氰基苯并呋喃的公式：##STR1## (其中：R.sup.1和R.sup.2一起表示.dbd.O或R.sup.1表示氢，R.sup.2表示氢，羟基，烷氧基，酰氧基，烷氧羰酰氧基，烷基硫代羰酰氧基，卤素，异硫氰酸酯，氨基，烷基氨基，二烷基氨基，芳基氨基，酰胺基，烷氧羰酰胺基，烷基硫代羰酰胺基，N-键合杂环基，氰基或烷硫基; R.sup.3和R.sup.4一起表示烷基亚基或各自表示氢或烷基; R.sup.5、R.sup.6和R.sup.7，可以相同也可以不同，各自表示氢，卤素，烷基，烷氧基，酰基或氰基)，其制备过程以及含有它们的除草剂组合物。
• Olefin polymerization catalyst system useful for polar monomers
  申请人：Baugh Sauders Lisa

  公开号：US20070197751A1

  公开（公告）日：2007-08-23

  This invention relates to copolymers produced by a polymerization method comprising contacting at least one olefin monomer, at least one polar monomer, an optional activator, and a catalyst compound represented by the formula: wherein M is selected from groups 3-11 of the periodic table; L 1 represents a formal anionic ligand, L 2 represents a formal neutral ligand, a is an integer greater than or equal to 1; b is greater than or equal to 0; c is greater than or equal to 1, E is nitrogen or phosphorus, Ar 0 is arene, R 1 -R 4 are, each independently, selected from hydrogen, hydrocarbyl, substituted hydrocarbyl or functional group, provided however that R 3 and R 4 do not form a naphthyl ring, N is nitrogen and O is oxygen.

  本发明涉及通过聚合方法制备的共聚物，该方法包括接触至少一种烯烃单体、至少一种极性单体、可选的活化剂和催化剂化合物。该催化剂化合物的化学式为：其中M从周期表的3-11组中选择；L1表示正离子配体，L2表示中性配体，a是大于等于1的整数；b大于等于0；c大于等于1；E是氮或磷，Ar0是芳烃，R1-R4分别选择自氢、烃基、取代烃基或功能基，但R3和R4不形成萘环，N是氮，O是氧。
• Aerobic Photooxidation of Toluene Derivatives into Carboxylic Acids with Bromine–Water under Catalyst-Free Conditions
  作者：Masayuki Kirihara、Yoshikazu Kimura、Yugo Sakamoto、Sho Yamahara、Atsuhito Kitajima、Naoki Kugisaki

  DOI：10.1055/a-1887-7885

  日期：2022.10

  satisfactory yield of the corresponding benzoic acid derivatives. Either a fluorescent lamp, blue LED (454 nm), or UV LED (385 nm) was used for the photoreaction. The reaction pathway might proceed through the dibromination of benzylic carbon, generation of the benzylic radical via oxidative C–H abstraction, formation of benzoyl bromide, and hydrolysis of carboxylic acid.

  甲苯衍生物与二当量溴在三氟化苯-水中的光辐照提供了相应的苯甲酸衍生物的令人满意的产率。荧光灯、蓝色 LED (454 nm) 或 UV LED (385 nm) 用于光反应。反应途径可能通过苄基碳的二溴化、通过氧化 C-H 提取产生苄基自由基、形成苯甲酰溴和羧酸水解来进行。
• Cyanbenzofuran derivatives, processes for their preparation and their use in herbicidal compositions; cyanobenzene, benzodioxepine, benzodioxaphosphepine and benzodioxathiepine derivatives
  申请人：FBC LIMITED

  公开号：EP0007719A2

  公开（公告）日：1980-02-06

  The invention provides herbicidally-active 2,3-dihydro-5-cyano-benzofurans of the formula: (wherein: R' and R2 together represent =O or R' represents hydrogen and R2 represents hydrogen, hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, alkylthiocarbonyloxy, halogen, isothiocyanato, amino, alkylamino, dialkylamino, arylamino, acylamino, alkoxycarbonylamino, alkyhhiocarbonylamino. N-bonded heterocyclyl, cyano or alkylthio; R3 and R4 together represent alkylene or each represent hydrogen or alkyl; and R5, R6 and R7, which may be the same or different, each represent hydrogen, halogen, alkyl, alkoxy, acyl or cyano), processes for their preparation and herbicidal compositions containing them.

  本发明提供了具有除草活性的 2,3-二氢-5-氰基苯并呋喃，其化学式为 其中R'和R2一起代表＝O或R'代表氢，R2代表氢、羟基、烷氧基、酰氧基、烷氧基羰氧基、烷硫基羰氧基、卤素、异硫氰基、氨基、烷基氨基、二烷基氨基、芳基氨基、酰氨基、烷氧基羰基氨基、烷硫基羰基氨基。R3和R4共同代表亚烷基或各自代表氢或烷基；R5、R6和R7可以相同或不同，各自代表氢、卤素、烷基、烷氧基、酰基或氰基），以及它们的制备方法和含有它们的除草组合物。