报道了 Co 和 Mn 催化的烯烃加氢肼和加氢叠氮化反应的发现、研究和实施。这些反应等效于 CC 双键与受保护的肼或偶氮酸的直接加氢胺化,但基于不同的概念,其中 H 和 N 原子来自两种不同的试剂,硅烷和氧化性氮源(偶氮二羧酸或磺酰叠氮化物) )。使用偶氮二羧酸二叔丁酯的加氢肼反应具有使用方便、官能团耐受性大、适用范围广的特点,包括单、二、三和四取代烯烃。氢叠氮化反应发展的关键是使用磺酰叠氮化物作为氮源和叔丁基过氧化氢的活化作用。发现该反应对于单、二和三取代烯烃的官能化是有效的,并且只有少数官能团是不能容忍的。获得的烷基叠氮化物是通用中间体,可以在不分离叠氮化物的情况下转化为游离胺或三唑。初步的机理研究表明,烯烃的氢化钴是限速的,然后是胺化反应。不能排除并可能涉及自由基中间体。然后进行胺化反应。不能排除并可能涉及自由基中间体。然后进行胺化反应。不能排除并可能涉及自由基中间体。
Hydrazines and Azides via the Metal-Catalyzed Hydrohydrazination and Hydroazidation of Olefins
作者:Jérôme Waser、Boris Gaspar、Hisanori Nambu、Erick M. Carreira
DOI:10.1021/ja062355+
日期:2006.9.1
which the H and the N atoms come from two different reagents, a silane and an oxidizing nitrogen source (azodicarboxylate or sulfonyl azide). The hydrohydrazination reaction using di-tert-butyl azodicarboxylate is characterized by its ease of use, large functional group tolerance, and broad scope, including mono-, di-, tri-, and tetrasubstituted olefins. Key to the development of the hydroazidation
报道了 Co 和 Mn 催化的烯烃加氢肼和加氢叠氮化反应的发现、研究和实施。这些反应等效于 CC 双键与受保护的肼或偶氮酸的直接加氢胺化,但基于不同的概念,其中 H 和 N 原子来自两种不同的试剂,硅烷和氧化性氮源(偶氮二羧酸或磺酰叠氮化物) )。使用偶氮二羧酸二叔丁酯的加氢肼反应具有使用方便、官能团耐受性大、适用范围广的特点,包括单、二、三和四取代烯烃。氢叠氮化反应发展的关键是使用磺酰叠氮化物作为氮源和叔丁基过氧化氢的活化作用。发现该反应对于单、二和三取代烯烃的官能化是有效的,并且只有少数官能团是不能容忍的。获得的烷基叠氮化物是通用中间体,可以在不分离叠氮化物的情况下转化为游离胺或三唑。初步的机理研究表明,烯烃的氢化钴是限速的,然后是胺化反应。不能排除并可能涉及自由基中间体。然后进行胺化反应。不能排除并可能涉及自由基中间体。然后进行胺化反应。不能排除并可能涉及自由基中间体。
Sulfonamides having antiangiogenic and anticancer activity
申请人:——
公开号:US20040157836A1
公开(公告)日:2004-08-12
Compounds having methionine aminopeptidase-2 inhibitory (MetAP2) are described. Also described are pharmaceutical compositions comprising the compounds, methods of treatment using the compounds, methods of inhibiting angiogenesis, and methods of treating cancer.
[EN] SULFONAMIDE SUBSTITUTED XANTHINE DERIVATIVES FOR USE AS PEPCK INHIBITORS<br/>[FR] DERIVES DE XANTHINE SUBSTITUES PAR DES SULFONAMIDES ET UTILES COMME INHIBITEURS DE PEPCK
申请人:HOFFMANN LA ROCHE
公开号:WO2004074288A1
公开(公告)日:2004-09-02
The present invention is concerned with sulfonamide substituted xanthine derivatives of formula (I) or a pharmaceutically acceptable salts or prodrugs thereof, wherein R1, R2 and R3 are as defined in the specification. Compounds of formula (I) and pharmaceutically acceptable salts or prodrugs thereof show activity as modulators of gluconeogenesis.
(BRD4) plays a crucial role in transcriptional regulation and is considered to be a viable drug target for cancer treatment. Herein, we designed and synthesized a series of indole-2-one derivatives through scaffold hopping drug design. Most of the compounds showed potent BRD4 inhibitory activities and anti-proliferation activities in cancer cell lines. Especially, compound 12j exhibited excellent BRD4
Bromodomain蛋白4(BRD4)在转录调控中起着至关重要的作用,被认为是治疗癌症的可行药物靶标。在本文中,我们通过支架跳跃药物设计设计并合成了一系列吲哚-2-酮衍生物。大多数化合物在癌细胞系中显示出有效的BRD4抑制活性和抗增殖活性。特别是,化合物12j表现出出色的BRD4抑制活性(BD1 IC 50 = 19 nM,BD2 IC 50 = 28 nM)和IC 50的抗增殖能力在HT-29和HL-60细胞中,其分别为4.75μM和1.35μM的值。此外,对接研究表明,靠近KAc区和WPF架子的疏水口袋对化合物的活性至关重要。化合物12j可以阻止HT-29细胞进入G1期的细胞周期进程,并降低c-Myc的表达。此外,化合物12j表现出有利的口服药代动力学性质。所有结果表明,化合物12j是有效的BRD4抑制剂,仅具有治疗结肠癌的潜力。
[EN] CONDENSED HETEROCYCLIC COMPOUNDS HAVING 5-HT6 RECEPTOR AFFINITY<br/>[FR] COMPOSÉS HÉTÉROCYCLIQUES CONDENSÉS AYANT UNE AFFINITÉ POUR LE RÉCEPTEUR 5-HT6
申请人:MEMORY PHARM CORP
公开号:WO2010021797A1
公开(公告)日:2010-02-25
The present disclosure provides compounds having affinity for the 5-HT6 receptor which are of the formula (I) wherein R1, A, B, D, E, G, Q, Ar, n, m, and p are as defined herein. The disclosure also relates to methods of preparing such compounds, compositions containing such compounds, and methods of use thereof.