使用吲哚和被碘和TBHP氧化的邻苯二胺,可以在简单且无金属的反应条件下,以中等到良好的产率获得各种苯并咪唑并[1,2 - c ]喹唑啉-6-酮衍生物。对于不同的吲哚以及邻苯二胺,该方法均以合理的产率进行,因此可以提供喹唑啉酮的良好合成。据报道,TBHP氧化环膨胀反应机理解释了苯并咪唑并[1,2 - c ]喹唑啉-6-的合成。
Transformations of N-arylpropiolamides to indoline-2,3-diones and acids via C≡C triple bond oxidative cleavage and C(sp2)–H functionalization
作者:Ming-Bo Zhou、Yang Li、Xuan-Hui Ouyang、Jin-Heng Li
DOI:10.1007/s11426-019-9633-x
日期:2020.2
A new palladium-catalyzed oxidative conversion of N-arylpropiolamides and H2O to various indoline-2,3-diones and acids through the C≡C triple bond cleavage and C(sp2)–H functionalization is described, which is promoted by a cooperative action of catalytic CuBr2, 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) and O2. The method provides a practical tool for transformations of alkynes by means of a C–H
Efficient Synthesis of Spirooxindole Pyrrolones by a Rhodium(III)‐Catalyzed C−H Activation/Carbene Insertion/Lossen Rearrangement Sequence
作者:Biao Ma、Peng Wu、Xing Wang、Zhengyu Wang、Hai‐Xia Lin、Hui‐Xiong Dai
DOI:10.1002/anie.201906589
日期:2019.9.16
A rhodium(III)-catalyzed domino annulation of simple olefins with diazo oxindoles to give spirooxindole pyrrolone products is described. This reaction can be formally viewed as the result of an anomalous tandem C-H activation, carbene insertion, Lossen rearrangement, and a nucleophilic addition process. The potential utility of this reaction was further demonstrated by the late-stage diversification
[EN] BROMODOMAIN INHIBITORS<br/>[FR] INHIBITEURS DE BROMODOMAINE
申请人:ABBVIE INC
公开号:WO2018188047A1
公开(公告)日:2018-10-18
Compounds of formula (I), wherein R 1, R 2, R 3, R 5, R 6, R 7, A 1, A 2, A 3, A 4, X 1, and X 2 have any of the values defined in the specification and pharmaceutically acceptable salts thereof, which are useful as agents in the treatment of diseases and conditions, including inflammatory diseases, cancer, and AIDS are provided. Pharmaceutical compositions comprising of compounds of formula (I) are also provided.
The first example of Cu-catalyzed oxidation of indoles to isatin derivatives by the use of cheap aqueous tert-butyl peroxide as an oxidant was developed. This methodology is practically convenient and highly functional group tolerant, allowing a variety of indole derivatives to transform into the corresponding isatin derivatives in good yields.
Palladium-Catalyzed Oxidation of Indoles to Isatins by tert-Butyl Hydroperoxide
作者:Junfei Luo、Shanshan Gao、Yaorui Ma、Guoping Ge
DOI:10.1055/s-0036-1591904
日期:2018.4
The combination of a Pd catalyst and tert-butyl hydroperoxide (TBHP) is a powerful catalytic system for many types of oxidative transformations. Here, we report that a Pd/TBHP system facilitates the oxidation of indoles with a range of functionalities to give the corresponding isatin derivatives in good yields.