Di-tert-butylmaleinsaeureanhydrid | 30078-72-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氢呋喃
• 英文名称: Di-tert-butylmaleinsaeureanhydrid
• 英文别名: di-tert-butyl-maleic acid anhydride；2,3-Di-t-butylmaleic anhydride；3,4-ditert-butylfuran-2,5-dione
• CAS: 30078-72-9
• 化学式: C₁₂H₁₈O₃
• 分子量: 210.273
• InChiKey: JSBCAOOJWZRFKL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.2
• 重原子数：
  15
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  2,3-二氯马来酸酐 、 叔丁基(氯)汞 在 氢碘酸 作用下， 以 二甲基亚砜 为溶剂， 以98%的产率得到Di-tert-butylmaleinsaeureanhydrid
  参考文献：
  名称：

  Russell, Glen A.; Guo, Deliang; Baik, Woonphil, Heterocycles, 1989, vol. 28, # 1, p. 143 - 146

  摘要：

  DOI：

文献信息

• Process For the Manufacture of Substituted Propionic Acids
  申请人：McCormack Peter

  公开号：US20080242876A1

  公开（公告）日：2008-10-02

  The invention concerns a process for the manufacture of substituted propionic acids comprising providing a substrate of formula (I): And subjecting the substrate to enantioselective hydrogenation under enantioselective hydrogenation conditions in the presence of an enantioselective hydrogenation catalyst comprising a catalyst ligand having a metallocene group with a chiral phosphorus or arsenic substituent to provide in enantiomeric excess a product of formula (II): or its enantiomer or if applicable its diastereomer.

  该发明涉及一种制备取代丙酸的方法，包括提供公式(I)的底物，并在手性氢化条件下，在手性氢化催化剂的存在下进行手性氢化，所述手性氢化催化剂包括具有带有手性磷或砷取代基的金属茂基的催化剂配体，以提供公式(II)的产物，或其对映异构体或如适用的对映体。
• METALLOCENE-BASED PHOSPHORUS CHIRAL PHOSPHINES
  申请人：McCormack Peter

  公开号：US20090137824A1

  公开（公告）日：2009-05-28

  The present invention concerns a metallocene-based phosphine ligand for use in enantioselective catalysis, the ligand having the Formula (I): Wherein M is a metal; Z is P or As; L is a suitable linker; R 1 is selected from alkyl, alkoxy, alkylamino, cycloalkyl, cycloalkoxy, cycloalkylamino carbocyclic aryl, substituted and unsubstituted carbocyclic aryloxy, heteroaryl, heteroaryloxy, carbocyclic arylamino and heteroarylamino; X* is selected from (II): Wherein R, R 2 and R 3 are independently selected from optionally substituted branched- and straight-chain alkyl, cycloalkyl, heterocycloalkyl, carbocyclic aryl, and heteroaryl.

  本发明涉及一种基于金属茂配合物的膦配体，用于手性选择性催化，该配体具有公式（I）：其中，M是金属；Z是P或As；L是适当的连接基；R1从烷基，烷氧基，烷基氨基，环烷基，环烷氧基，环烷基氨基，碳环芳基，取代和未取代的碳环芳氧基，杂环芳基，杂环芳氧基，碳环芳基氨基和杂环芳基氨基中选择；X*从（II）中选择：其中，R、R2和R3分别独立地选择自可选择的支链和直链烷基，环烷基，杂环烷基，碳环芳基和杂环芳基。
• Chromium complex and catalyst therefrom
  申请人：Dow Global Technologies LLC

  公开号：US10207262B2

  公开（公告）日：2019-02-19

  The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.

  本发明涉及使用催化剂体系将烯烃（如乙烯）低聚为高碳烯烃（如 1-己烯和 1-辛烯的混合物），该催化剂体系包括 a) 铬源 b) 一种或多种活化剂和 c) 含磷环连接化合物。此外，本发明还涉及一种含磷环的连接化合物和制造所述化合物的工艺。
• Phosphacycle compound and process for production thereof
  申请人：Dow Global Technologies LLC

  公开号：US10357764B2

  公开（公告）日：2019-07-23

  The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.

  本发明涉及使用催化剂体系将烯烃（如乙烯）低聚为高碳烯烃（如 1-己烯和 1-辛烯的混合物），该催化剂体系包括 a) 铬源 b) 一种或多种活化剂和 c) 含磷环连接化合物。此外，本发明还涉及一种含磷环的连接化合物和制造所述化合物的工艺。
• Process for oligomerization
  申请人：Dow Global Technologies LLC

  公开号：US10376869B2

  公开（公告）日：2019-08-13

  The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.

  本发明涉及使用催化剂体系将烯烃（如乙烯）低聚为高碳烯烃（如 1-己烯和 1-辛烯的混合物），该催化剂体系包括 a) 铬源 b) 一种或多种活化剂和 c) 含磷环连接化合物。此外，本发明还涉及一种含磷环的连接化合物和制造所述化合物的工艺。