在此基础上,开发了一种直接合成2-芳基-6-(三氟甲基)-4-吡喃酮和2-芳基-5-溴-6-(三氟甲基)-4-吡喃酮的简便通用方法。 ( E )-6-芳基-1,1,1-三氟己-5-烯-2,4-二酮通过溴化/脱溴化氢方法进行罐式氧化环化。该策略也应用于2-苯基-6-多氟烷基-4-吡喃酮及其5-溴衍生物的制备。找到了烯二酮化学选择性溴化的条件,并对溴代衍生物环化为4-吡喃酮的关键中间体进行了表征。所制备的4-吡喃酮的合成应用已被证明可用于构建生物学上重要的带有CF 3的氮杂环,例如吡唑、吡啶酮和三唑。
One-pot synthesis of difluoromethyl ketones by a difluorination/fragmentation process
作者:Daniel J. Leng、Conor M. Black、Graham Pattison
DOI:10.1039/c5ob02468d
日期:——
Difluoromethyl ketones are an under-studied class of ketones which have great potential as useful building blocks for materials and drug design.
二氟甲基酮是一类研究不足的酮类化合物,具有作为材料和药物设计的有用构建块的巨大潜力。
Pyrazoles for the treatment of obesity and other CNS disorders
申请人:Bennani L. Youssef
公开号:US20070197526A1
公开(公告)日:2007-08-23
This invention relates to compounds having pharmacological activity, to compositions containing these compounds, and to a method of treatment employing the compounds and compositions. More particularly, this invention concerns certain pyrazole derivatives, their salts and solvates. These compounds have H
3
histamine receptor binding activity. This invention also relates to pharmaceutical compositions containing these compounds and to a method of treating disorders in which histamine H
3
receptor modulation is beneficial.
[EN] ELECTROLUMINESCENT MATERIALS AND DEVICES<br/>[FR] SUBSTANCES ET DISPOSITIFS ELECTROLUMINESCENTS
申请人:ELAM T LTD
公开号:WO2004058783A1
公开(公告)日:2004-07-15
An electroluminescent compound is an organic diiridium acatylacetonate complex.
一种电致发光化合物是一种有机二铱乙酰丙酮酸盐络合物。
Electroluminescent Materials and Devices
申请人:Kathirgamanathan Poopathy
公开号:US20080138654A1
公开(公告)日:2008-06-12
A hole transporting or hole conducting material for use in electroluminescent devices is a diamino dianthracene.
一种用于电致发光器件的空穴传输或导电材料是二氨基二蒽。
PYRAZOLES FOR THE TREATMENT OF OBESITY AND OTHER CNS DISORDERS
申请人:Bennani Youssef L.
公开号:US20110112088A1
公开(公告)日:2011-05-12
This invention relates to compounds of the formula:
to compositions containing these compounds, and to methods of treatment employing the compounds and compositions.