Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, betulinic acid derivatives that possess unique antiviral activity are provided as HIV maturation inhibitors, as represented by compounds of Formulas I and II. These compounds are useful for the treatment of HIV and AIDS.
[EN] AZOLOPYRIMIDINE FOR THE TREATMENT OF CANCER-RELATED DISORDERS<br/>[FR] AZOLOPYRIMIDINE POUR LE TRAITEMENT DE TROUBLES LIÉS AU CANCER
申请人:ARCUS BIOSCIENCES INC
公开号:WO2018136700A1
公开(公告)日:2018-07-26
Compound that is an inhibitor of at least one of the A2A and A2B adenosine receptors, and compositions containing the compound and methods for synthesizing the compound, are described herein. The use of such compound and compositions for the treatment of a diverse array of diseases, disorders, and conditions, including cancer- and immune-related disorders that are mediated, at least in part, by the adenosine A2A receptor and/or the adenosine A2B receptor.
Synthesis of 1,4-Enamino Ketones by [3,3]-Rearrangements of Dialkenylhydroxylamines
作者:Wiktoria H. Pecak、Jongwoo Son、Amy J. Burnstine、Laura L. Anderson
DOI:10.1021/ol501230e
日期:2014.7.3
4-enamino ketones has been achieved through the [3,3]-rearrangement of dialkenylhydroxylamines generated from the addition of N-alkenylnitrones to electron-deficient allenes. The mild conditions required for this reaction, and the simultaneous installation of a fluorenyl imine N-protecting group as a consequence of the rearrangement, avoid spontaneous cyclization of the 1,4-enamino ketones to form the
The first 1,3-boronate rearrangement to ketones is reported. The reaction is driven by visible light irradiation, leading to various β-keto tertiary alcohols under metal-free conditions. The excited state overcomes the energy barrier for the rearrangement, and mechanistic studies have excluded a free-radical reaction pathway.