Forming All‐Carbon Quaternary Stereocenters by Organocatalytic Aminomethylation: Concise Access to β
<sup>2,2</sup>
‐Amino Acids
作者:Kai Wang、Jianliang Yu、Ying Shao、Shengbiao Tang、Jiangtao Sun
DOI:10.1002/anie.202009892
日期:2020.12.21
The asymmetric synthesis of β2,2‐amino acids remains a formidable challenge in organic synthesis. Here a novel organocatalytic enantioselective aminomethylation of ketenes with stable and readily available N,O‐acetals is reported, providing β2,2‐amino esters bearing an all‐carbonquaternarystereogenic center in high enantiomeric ratios with a catalytic amount of chiral phosphoric acid. Typically,
BETA- AND GAMMA-AMINO-ISOQUINOLINE AMIDE COMPOUNDS AND SUBSTITUTED BENZAMIDE COMPOUNDS
申请人:deLong Mitchell A.
公开号:US20120196916A1
公开(公告)日:2012-08-02
Disclosed are beta and gamma-amino isoquinoline amide compounds and substituted benzamide compounds. In particular, the invention provides compounds that affect the function of kinases in a cell and that are useful as therapeutic agents or with therapeutic agents. The compounds of the invention are useful in the treatment of a variety of diseases and conditions including eye diseases such as glaucoma, cardiovascular diseases, and diseases characterized by abnormal growth, such as cancers. The invention further provides compositions containing the beta or gamma-amino isoquinoline amide compounds or substituted benzamide compounds.
2-Heteroaromatic alkanoate esters of formula (I) which are useful as inhibitors of human leukocyate or neutrophil elastase.
wherein
R₁ and R₂ , which may be the same or different, are selected from the group consisting of hydrogen , alkyl of 1-4 carbons and cycloalkyl of 3-6 carbons, or together represents a methylene group -(CH₂)n- where n is a whole number of 1 to 6, provided that R₁ and R₂ are not both hydrogen;
Ar is optionally substituted phenyl; and
Het is an optionally substituted heterocyclic ring containing one or more N, S or O atoms in the ring, and its pharmaceutically acceptable salts.
可用作人类白细胞或中性粒细胞弹性蛋白酶抑制剂的式 (I) 2-杂芳基烷酸酯。
其中
R₁ 和 R₂,可以相同或不同,选自由氢、1-4 个碳原子的烷基和 3-6 个碳原子的环烷基组成的组,或共同代表亚甲基-(CH₂)n-,其中 n 为 1-6 的整数,但 R₁ 和 R₂ 不能都是氢;
Ar 是任选取代的苯基
Het 是环中含有一个或多个 N、S 或 O 原子的任选取代的杂环,及其药学上可接受的盐类。
Indoline and tetrahydroquinoline sulfonyl inhibitors of dimetalloenzymes and use of the same
申请人:LOYOLA UNIVERSITY OF CHICAGO
公开号:US10626087B2
公开(公告)日:2020-04-21
Indoline and tetrahydroquinoline sulfonyl compounds that can inhibit DapE and/or bacterial metallo-β-lactamases (“MBLs”), such as NDM-1 are disclosed. Also disclosed are methods of treating an individual suffering from a bacterial infection using the compounds disclosed herein.