Synthesis of a Sensitive and Selective Potassium-Sensing Fluoroionophore
摘要:
An efficient synthesis Is reported that delivers in 5 steps and 52% overall yield a new structurally simplified fluorescent K+ sensor with Improved K+ sensitivity and selectivity over existing K+ sensors. The synthesis procedure utilizes a new template-directed oxidative C-N bond-forming macrocyclization reaction and reports new approaches to Pd(0), Sandmeyer-like and metal-free aminoarylations, as well as organotitanlum additions to vinylogous sulfonates.
Reductive Monoalkylation of Aromatic and Aliphatic Nitro Compounds and the Corresponding Amines with Nitriles
作者:Ruel Nacario、Shailaja Kotakonda、David M. D. Fouchard、L. M. Viranga Tillekeratne、Richard A. Hudson
DOI:10.1021/ol047580f
日期:2005.2.1
[reaction: see text] A simple, selective, rapid, and efficient procedure for the synthesis of secondary amines from the reductive alkylation of either aliphatic or aromatic nitro compounds and the corresponding amines is reported. Ammoniumformate is used as the hydrogen source and Pd/C as the hydrogen transfer catalyst. The reaction is carried out at room temperature. The rate differences for the preferential
Phosphorinanes as Ligands for Palladium-Catalyzed Cross-Coupling Chemistry
作者:Tim Brenstrum、Julie Clattenburg、James Britten、Serguei Zavorine、Jeff Dyck、Alan J. Robertson、James McNulty、Alfredo Capretta
DOI:10.1021/ol052579h
日期:2006.1.1
organopalladium cross-coupling chemistry. Prepared via a direct double Michael addition of a monoalkyl- or arylphosphine to phorone followed by a Wolf-Kishner reduction, phosphorinanes are relatively inexpensive to manufacture and allow modification of one of the alkyl moieties permitting steric and electronic fine-tuning of the ligands. Library screening and applications of these ligands in the Suzuki, Sonogashira
Substituted Oxazole Compounds with Analgesic Activity
申请人:Merla Beatrix
公开号:US20090069330A1
公开(公告)日:2009-03-12
Substituted oxazole derivatives corresponding to formula 1:
a method for producing such compounds, pharmaceutical compositions containing such compounds, and the use of such compounds to treat pain, depression, urinary incontinence, diarrhoea, pruritus, alcohol and drug misuse, drug dependency, lethargy and/or anxiety.
[EN] NOVEL SULFONYLAMINOBENZAMIDE COMPOUNDS AS ANTHELMINTICS<br/>[FR] NOUVEAUX COMPOSÉS SULFONYLAMINOBENZAMIDE UTILISÉS COMME ANTHELMINTIQUES
申请人:NOVARTIS TIERGESUNDHEIT AG
公开号:WO2016033341A1
公开(公告)日:2016-03-03
The present invention relates to a new compound of formula (I) wherein the variables have the meaning as indicated in the claims; or an enantiomer or salt thereof. The compounds of formula (I) are useful in the control of parasites, in particular endoparasites, in and on vertebrates.
ADHESIVE COMPOSITIONS FOR BACK-COATING DENTAL PLATE AND HARDENING COMPOSITIONS FOR DENTAL USE
申请人:TOKUYAMA CORPORATION
公开号:EP1348416A1
公开(公告)日:2003-10-01
An adhesive composition for a denture base relining material which comprises an organic solvent containing no halogen atoms such as ethyl acetate, ethyl formate or acetone, a polymer such as a copolymer of methyl methacrylate and ethyl methacrylate, and a radical polymerizable monomer such as tetramethylolmethane tetramethacrylate; and a curable composition which comprises a radical polymerizable monomer, an organic peroxide such as benzoyl peroxide, a tertiary amine compound such as diethyl-p-toluidine or dipropyl-p-toluidine, and a hydroxycarboxylic acid such as malic acid or citric acid.
The adhesive composition for a denture base relining material does not contain a halogen-atom-containing organic solvent whose harmful effect has been pointed out. Further, the composition has satisfactory adhesive properties and good operability and causes no degradation in the appearance of a denture base even if it sticks to an area on the surface of the denture base other than a contact area. The dental curable composition is widely used as dental materials having little surface unpolymerized layer and good curability, e.g., dental cement, a composite resin, a resin for crown and a denture base relining material.