New 1-(heterocyclylalkyl)-4-(propionanilido)-4-piperidinyl methyl ester and methylene methyl ether analgesics
作者:Jerome R. Bagley、Sheela A. Thomas、Frieda G. Rudo、H. Kenneth Spencer、Brian M. Doorley、Michael H. Ossipov、Thomas P. Jerussi、Mark J. Benvenga、Theodore Spaulding
DOI:10.1021/jm00106a051
日期:1991.2
bulkier aromatic ring systems than the corresponding components of the arylethyl groups of the prototypic methyl ester (carfentanil, 2) and methylene methylether (sufentanil, 3 and alfentanil, 4) 4-propionanilido analgesics. Compound 9A (methyl 1-[2-(1H-pyrazol-1-yl)-ethyl]-4-[(1-oxopropyl)phenylamino]-4- piperidinecarboxylate), which exhibited appreciable mu-opioid receptor affinity, was a more potent
[EN] ISOFORM-SELECTIVE LYSINE DEACETYLASE INHIBITORS<br/>[FR] INHIBITEURS DE LYSINE DÉSACÉTYLASE SÉLECTIFS ENVERS LES ISOFORMES
申请人:UNIV WASHINGTON
公开号:WO2016179398A1
公开(公告)日:2016-11-10
Isoform-selective lysine deacetylase inhibitors are described. Inhibitors of the lysine deacetylase enzyme are useful as antitumor drugs and for treating addiction, asthma, cardio-vascular disease, immunosuppression, neurodegenerative diseases, sepsis, sickle-cell disease, uveal melanoma and termination of viral latency, particularly HIV-1 latency.
Triflic Anhydride-Promoted Cyclizationof Sulfides: A Convenient Synthesis of Fused Sulfur Heterocycles
作者:Valentine G. Nenajdenko、Nikolay E. Shevchenko、Elizabeth S. Balenkova
DOI:10.1055/s-2003-39401
日期:——
A new approach to the synthesis of annulated sulfur heterocycles based on triflic anhydride-promoted cyclization of the hetaryl(aryl) containing alkylsulfides was elaborated. Smooth demethylation of initially formed cyclic sulfonium salts by treatment with triethylamine afforded a number of five-, six- and seven-membered fused sulfur heterocycles. Unexpected ring opening took place in the reaction
Modular Access to Substituted Azocanes via a Rhodium-Catalyzed Cycloaddition–Fragmentation Strategy
作者:Megan H. Shaw、Rosemary A. Croft、William G. Whittingham、John F. Bower
DOI:10.1021/jacs.5b05215
日期:2015.7.1
A short entry to substituted azocanes by a Rh-catalyzed cycloaddition–fragmentation process is described. Specifically, exposure of diverse N-cyclopropylacrylamides to phosphine-ligated cationic Rh(I) catalyst systems under a CO atmosphere enables the directed generation of rhodacyclopentanone intermediates. Subsequent insertion of the alkene component is followed by fragmentation to give the heterocyclic
描述了通过 Rh 催化的环加成-断裂过程对取代的偶氮烷的简短介绍。具体来说,在 CO 气氛下将不同的 N-环丙基丙烯酰胺暴露于膦配位的阳离子 Rh(I) 催化剂体系可以直接生成罗达环戊酮中间体。随后插入烯烃组分,然后断裂,得到杂环目标。立体化学研究首次表明,烯烃插入到罗达环戊酮中是可逆的。
Carbonylative C–C Bond Activation of Aminocyclopropanes Using a Temporary Directing Group Strategy
作者:Gang-Wei Wang、Olga O. Sokolova、Tom. A. Young、Ektor M. S. Christodoulou、Craig P. Butts、John F. Bower
DOI:10.1021/jacs.0c08973
日期:2020.11.11
Temporary directinggroups (TDGs) underpin a range of C-C bond activation methodologies; however, the use of TDGs for the regiocontrolled activation of cyclopropane C-C bonds is underdeveloped. In this report, we show how an unusualring contraction process can be harnessed for TDG-based carbonylative C-C bond activations of cyclopropanes. The method involves the transient installation of an isocyanate-derived
临时导向基团 (TDG) 是一系列 CC 键活化方法的基础;然而,TDGs 用于环丙烷 CC 键的区域控制活化的使用尚不完善。在本报告中,我们展示了如何利用不寻常的环收缩过程来激活环丙烷的基于 TDG 的羰基化 CC 键。该方法涉及异氰酸酯衍生的 TDG 的瞬态安装,而不是依赖于先前启用 TDG 的 CC 键活化中使用的羰基缩合事件。