This invention relates to certain novel imidazoline compounds and analogues thereof, to their use for the treatment of diabetes, diabetic complications, metabolic disorders, or related diseases where impaired glucose disposal is present, to pharmaceutical compositions comprising them, and to processes for their preparation.The compounds have the following formula: whereinX is -O-, -S-, or -NR5-;R5 is hydrogen, C1-8 alkyl, or an amino protecting group;R4 isY is -O-, -S-, or -NR8-;Y' is -O- or -S-;
NiH-Catalyzed Hydroamination/Cyclization Cascade: Rapid Access to Quinolines
作者:Yang Gao、Simin Yang、Yanping Huo、Qian Chen、Xianwei Li、Xiao-Qiang Hu
DOI:10.1021/acscatal.1c02055
日期:2021.7.2
metal-H-catalyzed hydroamination methodologies, considerable limitations still exist in the selectivehydroamination of alkynes, especially for terminalalkynes. Herein, we develop a highly efficient NiH catalytic system that activates readily available alkynes for a cascade hydroamination/cyclization reaction with anthranils. This mild, operationally simple protocol is amenable to a wide array of alkynes including
尽管金属-H 催化的加氢胺化方法取得了重大成功,但炔烃的选择性加氢胺化仍然存在相当大的局限性,特别是对于末端炔烃。在此,我们开发了一种高效的 NiH 催化系统,可激活容易获得的炔烃,用于与邻氨基苯甲酸的级联加氢胺化/环化反应。这种温和、操作简单的方案适用于各种炔烃,包括末端和内部、芳基和烷基、缺电子和富电子的炔烃,提供结构多样的喹啉,产率非常高(>80 个例子,高达 93%屈服)。该程序的效用体现在几种天然产物的后期功能化以及抗肿瘤分子墓地宁和三链 DNA 嵌入剂的简明合成中。
Gold-Catalyzed Synthesis of Quinolines from Propargyl Silyl Ethers and Anthranils through the Umpolung of a Gold Carbene Carbon
作者:Hongming Jin、Bin Tian、Xinlong Song、Jin Xie、Matthias Rudolph、Frank Rominger、A. Stephen K. Hashmi
DOI:10.1002/anie.201606043
日期:2016.10.4
proceeds through a sequential ring opening/1,2‐H‐shift/protodeauration/Mukaiyama aldol cyclization. This method offers a regiospecific and modular access to 2‐aminoquinolines and other quinoline derivatives under mild conditions and with a broad functional‐group tolerance. The conversion is possible on a gram scale, which underlines the synthetic practicability of this methodology. The versatility of the
Cycloisomerization – a straightforward way to benzo[h]quinolines and benzo[c]acridines
作者:Aleksandr N. Shestakov、Alena S. Pankova、Mikhail A. Kuznetsov
DOI:10.1007/s10593-017-2179-5
日期:2017.10
Cycloisomerization of 3-alkynyl-2-arylpyridines and quinolines offers a straightforward approach to benzo[h]quinolines and benzo[c]-acridines. Substituent at the triple bond governs a choice between transition metal or Brønsted acidcatalysis. A direct electrophilic activation by trifluoromethanesulfonic acid induces an almost quantitative cyclization of the o-aryl(phenylethynyl) fragment. PtCl2 efficiently
3-炔基-2-芳基吡啶和喹啉的环异构化为苯并[ h ]喹啉和苯并[ c ] -ac啶提供了一种直接的方法。在三键处的取代基决定过渡金属催化或布朗斯台德酸催化之间的选择。三氟甲磺酸的直接亲电子活化引起邻-芳基(苯基乙炔基)片段的几乎定量环化。PtCl 2有效催化2-芳基-3-乙炔基戊烯的环化。
HETEROARYL DERIVATIVE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PREPARATION METHOD THEREFOR, AND PHARMACEUTICAL COMPOSTION FOR PREVENTING OR TREATING DISEASES ASSOCIATED WITH PI3 KINASES, CONTAINING SAME AS ACTIVE INGREDIENT
申请人:KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
公开号:US20180105527A1
公开(公告)日:2018-04-19
The present invention relates to a heteroaryl derivative or a pharmaceutically acceptable salt thereof, a preparation method therefor, and a pharmaceutical composition for preventing or treating diseases associated with PI3 kinases, containing the same as an active ingredient. The heteroaryl derivative according to the present invention has an excellent effect of selectively inhibiting PI3 kinases, thereby being useful in preventing or treating PI3 kinase diseases such as: cancers, autoimmune diseases, and respiratory diseases.