Hexamethyl-3,3'-bithienyl | 49846-37-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 双噻吩和低聚噻吩
• 英文名称: Hexamethyl-3,3'-bithienyl
• 英文别名: 2,3,5-Trimethyl-4-(2,4,5-trimethylthiophen-3-yl)thiophene
• CAS: 49846-37-9
• 化学式: C₁₄H₁₈S₂
• 分子量: 250.429
• InChiKey: XUXUZNXCDVFRDB-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.2
• 重原子数：
  16
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.43
• 拓扑面积：
  56.5
• 氢给体数：
  0
• 氢受体数：
  2

文献信息

• METHOD FOR SYNTHESIZING OPTICALLY ACTIVE CARBONYL COMPOUNDS
  申请人：BASF SE

  公开号：US20180057437A1

  公开（公告）日：2018-03-01

  The present invention relates to a process for the preparation of an optically active carbonyl compound by asymmetric hydrogenation of a prochiral α,β-unsaturated carbonyl compound with hydrogen in the presence of at least one optically active transition metal catalyst that is soluble in the reaction mixture and which has rhodium as catalytically active transition metal and a chiral, bidentate bisphosphine ligand, wherein the reaction mixture during the hydrogenation of the prochiral α,β-unsaturated carbonyl compound additionally comprises at least one compound of the general formula (I): in which R 1 , R 2 : are identical or different and are C 6 - to C 10 -aryl which is unsubstituted or carries one or more, e.g. 1, 2, 3, 4 or 5, substituents which are selected from C 1 - to C 6 -alkyl, C 3 - to C 6 -cycloalkyl, C 6 - to C 10 -aryl, C 1 - to C 6 -alkoxy and amino; Z is a group CHR 3 R 4 or aryl which is unsubstituted or carries one or more, e.g. 1, 2, 3, 4 or 5, substituents which are selected from C 1 - to C 6 -alkyl, C 3 - to C 6 -cycloalkyl, C 6 - to C 10 -aryl, C 1 - to C 6 -alkoxy and amino, wherein R 3 and R 4 are as defined in the claims and the description.

  本发明涉及一种通过在至少一种可溶于反应混合物中的光学活性过渡金属催化剂的存在下，将可溶性光学活性过渡金属铑和手性双膦配体作为催化活性过渡金属的α，β-不对称氢化的可半手性α，β-不饱和羰基化合物与氢气反应制备光学活性羰基化合物的方法。在氢化可半手性α，β-不饱和羰基化合物的过程中，反应混合物中还包括至少一种符合一般式（I）的化合物：其中 R1、R2：相同或不同，为未取代或带有一个或多个（例如1、2、3、4或5个）C6到C10芳基取代基的化合物，所述取代基选自C1到C6烷基、C3到C6环烷基、C6到C10芳基、C1到C6烷氧基和氨基；Z是一种基团CHR3R4或未取代或带有一个或多个（例如1、2、3、4或5个）取代基的芳基，所述取代基选自C1到C6烷基、C3到C6环烷基、C6到C10芳基、C1到C6烷氧基和氨基，其中R3和R4如权利要求和说明书中定义。
• METHOD FOR THE HOMOGENEOUS CATALYTIC REDUCTIVE AMINATION OF CARBONYL COMPOUNDS
  申请人：BASF SE

  公开号：US20180186725A1

  公开（公告）日：2018-07-05

  The present invention relates to a method for the reductive amination of a carbonyl compound, comprising one or more carbonyl groups amenable to reductive amination, forming the corresponding primary amine, characterized in that the reaction is carried out in the presence of a homogeneously dissolved catalyst complex K, comprising at least one metal atom from Group 8, 9 or 10 of the periodic table, bearing a bidentate phosphane ligand, a carbonyl ligand, a neutral ligand and a hydride ligand, and also an acid as co-catalyst.

  本发明涉及一种用于还原胺化羰基化合物的方法，包括一个或多个适宜进行还原胺化的羰基团，形成相应的一级胺，其特征在于在存在均匀溶解的催化剂复合物K的条件下进行反应，所述复合物K包括来自周期表第8、9或10族的至少一个金属原子，带有双膦配体、羰基配体、中性配体和氢化物配体，以及作为辅助催化剂的酸。
• Cycloolefin Phosphine Ligands and Their Use in Catalysis
  申请人：Kadyrov Renat

  公开号：US20080306264A1

  公开（公告）日：2008-12-11

  The present invention concerns novel bidentante optionally N-containing P-ligands of general Formula (I) embracing a two-ring-system and processes for synthesizing them, transition metal complexes of these compounds and their use as catalysts.
• METHOD FOR PRODUCING OPTICALLY ACTIVE 2-METHYL-ALKANOLS
  申请人：Jäkel Christoph

  公开号：US20110045560A1

  公开（公告）日：2011-02-24

  A process for preparing optically active 2-methylalkan-1-ol of the general formula (III) comprising the following steps: carbonyl-selective reduction of 2-methylalk-2-en-1-al of the general formula (I) to 2-methylalk-2-en-1-ol of the general formula (II), (ii) enantioselective hydrogenation of 2-methylalk-2-en-1-ol to the general formula (iii), (iii) increasing the optical yield of the optically active 2-methylalkan-1-ol (III) obtained in step (ii) by a lipase-catalyzed acylation reaction, where the radical R means C 1 -C 10 -alkyl.
• US7576118B2
  申请人：——

  公开号：US7576118B2

  公开（公告）日：2009-08-18