在我们关于传染病的工作过程中,我们被引导准备了6-溴-2-氯-4-甲基喹啉作为起始原料。由于文献中出人意料的报道很少,因此对该化合物的两个合成步骤进行了研究。该合成涉及β-酮酸酯和4-溴苯胺之间的缩合,以及将所得的苯胺环化成6-溴喹啉-2(1 H)-一,也称为克诺尔反应。该¹第一步的1 H NMR监测使我们能够优化导致苯胺的条件,而不会出现替代的巴豆酸酯。为了说明我们的发现的范围,制备了一些具有电子吸引基团的额外的酸酐。对它们环化的研究表明,这第二步支配着一些意想不到的空间效应。除了纠正该化学中的一些说法外,该研究还导致了三步制备6-溴-2-氯-4-甲基喹啉的步骤,而4-溴苯胺的总收率为48%。 酰化-环化-杂环-喹啉-碳正离子化
申请人:DONG-A ST CO., LTD. 동아에스티 주식회사(120130140418) Corp. No ▼ 110111-5079713BRN ▼204-86-40122
公开号:KR20150123005A
公开(公告)日:2015-11-03
신규한 아졸계 화합물, 상기 아졸계 화합물을 함유하는 약학 조성물, 및 상기 아졸계 화합물의 제조 방법이 제공된다. 상기 아졸계 화합물은 안드로겐 수용체에 작용하여 안드로겐 수용체의 활성을 증가시켜 안드로겐 활성 증가로 인해 증상이 개선되거나 치료에 반응할 수 있는 질환 또는 상태, 예컨대 남성 및 여성에 있어서의 다양한 호르몬 관련 질환, 근육소모성 장애, 골감소증, 골다공증 등의 치료 및/또는 예방제로 유용하게 사용될 수 있다.
Bicyclic androgen and progesterone receptor modulator compounds and methods
申请人:Zhi Lin
公开号:US20050288350A1
公开(公告)日:2005-12-29
The present invention is directed to compounds, pharmaceutical compositions, and methods for modulating processes mediated by AR and PR. More particularly, the invention relates to nonsteroidal compounds and compositions that are high affinity, high specificity agonists, partial agonists (i.e., partial activators and/or tissue-specific activators) and antagonists for AR and PR. Also provided are methods of making such compounds and pharmaceutical compositions, as well as critical intermediates used in their synthesis.
Palladium-catalyzed oxidative amidation of conjugated olefin with 2-pyridone is developed. A series of E-Enamides were synthesized with high stereoselectivities. Other cyclic and acyclic amides are also tolerated in this catalytic system.
1,2,4-TRIAZINE-3-AMINE DERIVATIVE, PREPARATION METHOD THEREFOR, AND USE THEREOF IN MEDICINE
申请人:Jiangsu Hengrui Medicine Co. Ltd.
公开号:EP3569596A1
公开(公告)日:2019-11-20
The present invention relates to a 1,2,4-triazine-3-amine derivative, a preparation therefor, and use thereof in medicine. Specifically, the present invention relates to a 1,2,4-triazine-3-amine derivative as represented by general formula (I), a preparation method therefor, a pharmaceutical composition comprising the derivative, and use thereof as a therapeutic agent, in particular as an A2a receptor antagonist, and use thereof in the preparation of a medicament for treating a condition or disorder that is ameliorated by means of inhibition of the A2a receptor, each substituent in general formula (I) being same as defined in the description.
1,2,4-triazine-3-amine derivative, preparation method therefor, and use thereof in medicine
申请人:Jiangsu Hengrui Medicine Co., Ltd.
公开号:US11014904B2
公开(公告)日:2021-05-25
A 1,2,4-triazine-3-amine derivative, a preparation therefor, and use thereof in medicine are provided. Specifically, a 1,2,4-triazine-3-amine derivative as represented by general formula (I), a preparation method therefor, a pharmaceutical composition containing the derivative, and use thereof as a therapeutic agent, in particular as an A2a or A2b receptor antagonist, and use thereof in the preparation of a medicament for treating a condition or disorder that is ameliorated by means of inhibition of the A2a or A2b receptor are provided. Each substituent in general formula (I) is defined in the description.