在这里,我们考虑了一系列以吲哚[1,2- c ]喹唑啉(IQ)为核心部分的对称稠合杂环芳烃(HAH)的合成和表征。通过使用各种光谱方法系统地研究了所有新的 HAH IQ 系列。此外,它们的光物理特性得到了密度泛函理论 (DFT) 和瞬态密度泛函理论 (TDDFT) 研究的支持,以支持实验结果。四甲基取代的吲哚[1,2- c ]喹唑啉(TMIQ)化合物显示出π - π的位移类型堆叠相互作用,使该系列成为一种新的半导体材料。TMIQ 的基于单晶的场效应晶体管器件表现出有效的电荷传输行为,p 沟道场效应迁移率为 0.25 cm 2 V -1 s -1,开/关比为 5 × 10 5。
Pt(IV)-Catalyzed Hydroamination Triggered Cyclization: A Strategy to Fused Pyrrolo[1,2-<i>a</i>]quinoxalines, Indolo[1,2-<i>a</i>]quinoxalines, and Indolo[3,2-<i>c</i>]quinolines
作者:Nitin T. Patil、Rahul D. Kavthe、Valmik S. Shinde、Balasubramanian Sridhar
DOI:10.1021/jo100373w
日期:2010.5.21
A PtCl4-catalyzed hydroamination-triggered cyclization strategy to access biologically interesting N-containing heterocycles such as pyrrolo[1,2-a]quinoxalines, indolo[1,2-a]quinoxalines, and indolo[3,2-c]quinolines is described. The reaction makes use of aminoaromatics such as 1-(2-aminophenyl)pyrroles, N-(2-aminophenyl)indoles, 2-(2-aminophenyl)indoles, and alkynes having a tethered hydroxyl group
一种PtCl 4催化的加氢胺触发的环化策略,以获取生物学上有趣的含N杂环,如吡咯并[1,2- a ]喹喔啉,吲哚[1,2- a ]喹喔啉和吲哚[3,2- c ]喹啉描述。该反应利用氨基芳族化合物,例如1-(2-氨基苯基)吲哚,N-(2-氨基苯基)吲哚,2-(2-氨基苯基)吲哚和具有束缚羟基的炔烃。从机理上讲,该反应非常吸引人,因为它涉及由单一金属催化剂PtCl 4催化的多个催化循环。当反应在微波辅助条件下进行时,我们观察到了速率的显着提高。
AuI-Catalyzed Direct Hydroamination/Hydroarylation and Double Hydroamination of Terminal Alkynes
作者:Nitin T. Patil、Pediredla G. V. V. Lakshmi、Vipender Singh
DOI:10.1002/ejoc.201000389
日期:2010.8
An efficient method for formal Markownikoff hydroamination/hydroarylation and doublehydroamination of terminalalkynes has been developed. For example, treatment of terminalalkynes with amino-aromatics or diamines in the presence of 2-5 mol-% of Ph 3 PAuNTf 2 in toluene at 100 °C gave the corresponding products in excellent yields. The method was shown to be applicable to a broad range of substrates