Sequential Oxidation-Prins Reaction Processes Induced by the Same Iron Salt: Direct Access to 2-Aryl-4-Chloro-Tetrahydropyrans from Benzyl Alcohols
作者:Fabienne Fache、Olivier Piva、Mickaël Muselli
DOI:10.1055/s-0033-1339306
日期:——
A clay-supported iron(III) nitrate (Clayfen) was used as a stoichiometric reagent to first oxidize benzylic alcohols. The aldehydes thus obtained were converted in situ into tetrahydropyrans by way of a Prins cyclization induced by iron species already present in the media.
[EN] NOVEL ANTIFUNGAL OXODIHYDROPYRIDINECARBOHYDRAZIDE DERIVATIVE<br/>[FR] NOUVEAU DÉRIVÉ OXODIHYDROPYRIDINECARBOHYDRAZIDE ANTIFONGIQUE
申请人:DAE WOONG PHARMA
公开号:WO2015060613A1
公开(公告)日:2015-04-30
The present invention relates to novel oxodihydropyridinecarbohydrazide derivatives with excellent antifungal activities, an antifungal composition containing the same, and its use for the prevention and treatment of fungal infectious diseases. The oxodihydropyridinecarbohydrazide derivatives of the present invention have excellent antifungal and fungicidal activities, and thus will be useful for the prevention and treatment of various fungal infections by Candida spp., Aspergillus spp., Cryptococcus neoformans and Trichophyton spp., etc. Additionally, the oxodihydropyridinecarbohydrazide derivatives of the present invention, unlike other fungicidal preparations, can be orally administered.
Study of the Effect of Lateral Substitution on Mesogenic Behavior with Reference to -CH=CH- Unit
作者:J. J. Travadi、M. S. Vadodaria、K. D. Ladva、A. V. Doshi
DOI:10.1080/15421406.2015.1106281
日期:2016.2.11
molecular structure on liquidcrystal (LC) properties with a focus on the highly polar methoxy group as a lateral substituent. The series consists of twelve homologs; of which C1–C5 are nonmesogenic, and the rest of the homologs are enantiotropically smectogenic or and nematogenic. The texture of nematic phases is threaded or Schlieren and that of the smectic is either smectic A or C, as recognized
摘要 为了理解和建立分子结构对液晶 (LC) 特性的影响,合成并研究了一种新的肉桂酸酯同系物,重点是高度极性的甲氧基作为横向取代基。该系列由十二个同系物组成;其中 C1-C5 是非介晶的,其余的同系物是对映体近端原或和线原原的。向列相的织构是螺纹或纹影,近晶的织构是近晶 A 或 C,这是通过配备加热台的光学偏光显微镜识别和确定的。Sm-N I 和 NI 过渡曲线表现出奇偶效应并且表现正常。Cr-I M 以正常方式运行。分析和光谱数据证实了同系物的分子结构。
Concerted catalysis in the enolisation of aldehydes
作者:Anthony F. Hegarty、Joe Dowling
DOI:10.1039/c39910000996
日期:——
At high buffer concentrations the enolisation of aldehydes is markedly catalysed simultaneously by acidic and basic species; the magnitude of the ‘third-order term’ can be related directly to the importance of the individual acid and base catalysed terms.
Method of purifying a gas stream using 1,2,3-triazolium ionic liquids
申请人:Luebke David
公开号:US08906135B1
公开(公告)日:2014-12-09
A method for separating a target gas from a gaseous mixture using 1,2,3-triazolium ionic liquids is presented. Industrial effluent streams may be cleaned by removing carbon dioxide from the stream by contacting the effluent stream with a 1,2,3-triazolium ionic liquid compound.