Identification of a Potent Botulinum Neurotoxin A Protease Inhibitor Using in Situ Lead Identification Chemistry
摘要:
Botulinum neurotoxins (BoNTs), etiological agents of the deadly food poisoning disease botulism, are the most toxic proteins currently known. By using in situ lead identification chemistry, we have uncovered the first class of inhibitors that displays nanomolar potency. From a 15 mu M lead compound, structure-activity relationship studies were performed granting the most potent BoNT/A inhibitor reported to date that displays an inhibition constant of 300 nM.
Copper-Catalyzed Difunctionalization of Activated Alkynes by Radical Oxidation-Tandem Cyclization/Dearomatization to Synthesize 3-Trifluoromethyl Spiro[4.5]trienones
A copper‐catalyzed difunctionalizing trifluoromethylation of activated alkynes with the cheap reagent sodium trifluoromethanesulfinate (NaSO2CF3 or Langlois’ reagent) has been developed incorporating a tandem cyclization/dearomatization process. This strategy affords a straightforward route to synthesis of 3‐(trifluoromethyl)‐spiro[4.5]trienones, and presents an example of difunctionalization of alkynes
[DE] 3-(4-PIPERIDIN-1YLMETHYL-PHENYL) -PROPIONSÄURE-PHRNYLAMID-DERIVATE UND VERWANDTE VERBINDUNGEN ALS MCH (MELANINE CONCENTRATING HORMONE) ANTAGONISTEN ZUR BEHANDLUNG VON ESSSTÖRUNGEN<br/>[EN] 3-(4-PIPERIDINE-1YLMETHYL-PHENYL)-PROPION ACID-PHENYLAMIDE-DERIVATIVES AND RELATED COMPOUNDS USED IN THE FORM OF MCH ANTAGONISTS (MELANINE CONCENTRATING HORMONE) FOR TREATING EATING DISORDERS<br/>[FR] DERIVES D'ACIDE 3-(4-PIPERIDINE-1YLMETHYL-PHENYL) PROPIONIQUE-PHENYLAMIDE ET COMPOSES APPARENTES, UTILISES COMME ANTAGONISTES MCH (HORMONE DE CONCENTRATION EN MELANINE) POUR LE TRAITEMENT DE TROUBLES DUS A L'ALIMENTATION
申请人:BOEHRINGER INGELHEIM INT
公开号:WO2005063239A1
公开(公告)日:2005-07-14
Die vorliegende Erfindung betrifft Amid-Verbindungen der allgemeinen Formel (I), in der die Gruppen und Reste A, B, b, W, X, Y, Z, R1, R2 und R3 die in Anspruch 1 angegebenen Bedeutungen aufweisen. Ferner betrifft die Erfindung Arzneimittel enthaltend mindestens ein erfindungsgemäßes Amid. Auf Grund der MCH-Rezeptor antagonistischen Aktivität eignen sich die erfindungsgemäßen Arzneimittel zur Behandlung von metabolischen Störungen und/oder Essstörungen, insbesondere von Adipositas, Bulimie, Anorexie, Hyperphagia und Diabetes.
Mild Mn(OAc)<sub>3</sub>-Mediated Aerobic Oxidative Decarboxylative Coupling of Arylboronic Acids and Arylpropiolic Acids: Direct Access to Diaryl 1,2-Diketones
作者:Wen-Xin Lv、Yao-Fu Zeng、Shang-Shi Zhang、Qingjiang Li、Honggen Wang
DOI:10.1021/acs.orglett.5b01265
日期:2015.6.19
A simple and efficient method for the synthesis of diaryl 1,2-diketones has been developed. The reaction represents the first example of diaryl 1,2-diketones that are synthesized directly from arylboronic acids and arylpropiolicacids by a radical pathway in moderate to good yields. This reaction proceeds under mild reaction conditions and with good tolerance of a variety of functional groups. Preliminary
A metal-free tandem approach to prepare structurally diverse N-heterocycles: synthesis of 1,2,4-oxadiazoles and pyrimidinones
作者:Puneet K. Gupta、Mohd. Kamil Hussain、Mohd. Asad、Ruchir Kant、Rohit Mahar、Sanjeev K. Shukla、Kanchan Hajela
DOI:10.1039/c4nj00361f
日期:——
N-heterocycles, namely 1,2,4-oxadiazoles and 2,6 disubstituted pyrimidin-4-ones, have been synthesised in one pot via carboxamidation of amidines with aryl carboxylic acids and aryl propargylic acids under metal-free conditions.
A base precursor for heat-developable photosensitive material
申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP0123937A1
公开(公告)日:1984-11-07
A base precursor for heat-developable photosensitive material is disclosed. The precursor is comprised of a compound represented by general formula (1) or (II):
The substituents within the genral formulae are dfined within the specification. The use of this novel base precur- sur makes it possible to obtain a material which is very stable at normal temperatures and which smoothly decomposes under heating at 80°C or higher in order to release a basic constituent.
本发明公开了一种用于热显影感光材料的基质前体。该前体由通式 (1) 或 (II) 所代表的化合物组成:
通式中的取代基在说明书中作了规定。使用这种新型基前体可以获得一种在常温下非常稳定的材料,这种材料在 80°C 或更高温度下加热时会顺利分解,从而释放出一种基本成分。