A simple and convenient one-pot synthesis of substituted isoindolin-1-ones via lithiation, substitution and cyclization of <i>N'</i>-benzyl-<i>N,N</i>-dimethylureas
作者:Keith Smith、Gamal A El-Hiti、Amany S Hegazy、Benson Kariuki
DOI:10.3762/bjoc.7.142
日期:——
Lithiation of N'-benzyl-N,N-dimethylurea and its substituted derivatives with t-BuLi (3.3 equiv) in anhydrous THF at 0 °C followed by reaction with various electrophiles afforded a range of 3-substituted isoindolin-1-ones in high yields.
One-pot synthesis of substituted isoindolin-1-ones via lithiation and substitution of N′-benzyl-N,N-dimethylureas
作者:Keith Smith、Gamal A. El-Hiti、Amany S. Hegazy
DOI:10.1039/b926983e
日期:——
Lithiation of various Nâ²-benzyl-N,N-dimethylureas with t-BuLi (3.3 mole equivalents) in anhydrous THF at 0 °C followed by reactions with various electrophiles afforded the corresponding 3-substituted isoindolin-1-ones in high yields.
在 0 °C 的无水四氢呋喃中,用 t-BuLi(3.3 摩尔当量)锂化各种 Nâ²-苄基-N,N-二甲基脲,然后与各种亲电物反应,以高产率获得了相应的 3-取代异吲哚啉-1-酮。
NICOTINAMIDES AS JAK KINASE MODULATORS
申请人:PORTOLA PHARMACEUTICALS, INC.
公开号:US20150353495A1
公开(公告)日:2015-12-10
The present invention is directed to compounds of formula I and pharmaceutically acceptable salts, esters, and prodrugs thereof which are inhibitors of JAK kinase. The present invention is also directed to intermediates used in making such compounds, the preparation of such a compound, pharmaceutical compositions containing such a compound, methods of inhibition JAK kinase activity, methods of inhibition the platelet aggregation, and methods to prevent or treat a number of conditions mediated at least in part by JAK kinase activity, such as undesired thrombosis and Non Hodgkin's Lymphoma.
A Simple and Convenient High Yielding Synthesis of Substituted Isoindolines
作者:Keith Smith、Gamal A. El-Hiti、Amany S. Hegazy、Ahmed Fekri
DOI:10.3987/com-09-s(s)61
日期:——
Trifluoroacetic anhydride-induced dehydration of substituted 2-(pivaloylaminomethyl)phenyl- and 2-(dimethylaminocarbonylmethyl)phenyl-methanols gives the corresponding isoindolines in excellent yields when there are aryl substituents at the methanol carbon atom.
BOYD, G. V.;LINDLEY, P. F.;NICOLAOU, G. A., J. CHEM. SOC. CHEM. COMMUN., 1984, N 16, 1105-1107