Abstract:
The present disclosure provides borate or aluminate activators comprising cations having branched alkyl groups, catalyst systems comprising, and methods for polymerizing olefins using such activators. Specifically, the present disclosure provides activator compounds represented by Formula: [R 1 R 2 R 3 EH] d +[M k +Q n ] d- , wherein: E is nitrogen or phosphorous; d is 1, 2 or 3; k is 1, 2, or 3; n is 1, 2, 3, 4, 5, or 6; n - k = d; each of R 1 , R 2 , and R 3 is independently C 1 -C 40 branched or linear alkyl or C 5 -C 50 -aryl, wherein each of R 1 , R 2 , and R 3 is independently unsubstituted or substituted with at least one of halide, C 5 -C 50 aryl, C 6 -C 35 arylalkyl, C 6 -C 35 alkylaryl and, in the case of the C 5 -C 50 -aryl, C 1 -C 50 alkyl; wherein R 1 , R 2 , and R 3 together comprise 15 or more carbon atoms; M is an element selected from group 13 of the Periodic Table of the Elements; and each Q is independently a hydride, bridged or unbridged dialkylamido, halide, alkoxide, aryloxide, hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, or halosubstituted-hydrocarbyl radical, provided that at least one of R 1 , R 2 , and R 3 is a branched alkyl.
Abstract:
The present disclosure provides borate activators comprising cations having linear alkyl groups, catalyst systems comprising, and processes for polymerizing olefins using such activators. Specifically, the present disclosure provides polymerization activator compounds which may be prepared in, and which are soluble in aliphatic hydrocarbon and alicyclic hydrocarbon solvents.
Abstract:
This disclosure relates to N-(4-(bis(4-(dimethylamino)phenyl)methylene)-8-(dimethylamino)naphthalen-1(4H)-ylidene)-N-methylmethanaminium, derivative and uses related thereto. In certain embodiments, the disclosure relates to compounds of formula I. In certain embodiments, the disclosure relates to methods of treating or preventing Nox related diseases and conditions comprising administering an effective amount of compounds disclosed herein to a subject in need thereof. In certain embodiments, the Nox related disease or condition is cancer.
Abstract:
The novel positively charged pro-drugs of acetaminophen, acetaminosalol, and related compounds in the general formula (1) 'Structure 1' were designed and synthesized. The positively charged amino groups of these pro-drugs not only largely increases the solubility of the drugs, but also bonds to the negative charge on the phosphate head group of membranes and pushes the pro-drug into the cytosol. The results suggest that the pro-drugs diffuses through human skin ~150 times faster than does acetaminophen, acetaminosalol, and related compounds. It takes 1-2 hours for acetaminophen and acetaminosalol, and related compounds to reach the peak plasma level when they are taken orally, but these prodrugs only took about ~50 minutes to reach the peak plasma level when they are taken transdermally. In plasma, more than 90% of these pro-drugs can be changed back to the parent drugs in a few minutes. The prodrugs can be used medicinally for treating any NSAIAs-treatable conditions in humans or animals. The prodrugs can be administered not only orally, but also transdermally for any kind of medical treatments and avoid most of the side effects of NSAIAs. Controlled transdermal administration systems of the prodrugs enables acetaminophen, acetaminosalol, and related compounds to reach constantly optimal therapeutic blood levels to increase effectiveness and reduce the side effects of acetaminophen, acetaminosalol, and related compounds. Another great benefit of transdermal administration of these pro-drugs is that administering medication, especially to children, will be much easier.
Abstract:
The invention relates to novel compositions for isolating and/or stabilising nucleic acids in material of a biological origin. Said compositions comprise a cationic compound of general formula Y R1R2R3R4 X' as an essential constituent; wherein Y can represent nitrogen or phosphorus; R1, R2, R and R4 can independently represent an unbranched or branched C1-C20 alkyl radical and/or a C6-C20 aryl radical and a C6-C26 aralkyl radical; and X' can represent an anion pertaining to an inorganic or organic, monobasic or polybasic acid.
Abstract:
The present invention provides a salt of an acidic drug and a hydrophobic cation, pharmaceutical compositions comprising such salts and methods of using such salts to treat or prevent a disease or disorder.
Abstract:
Die Erfindung betrifft ein Verfahren zur Herstellung von Triarylorganoboraten ausgehend von Organo-Boronsäureestern in Gegenwart eines n-wertigen Kations 1/n K n+ umfassend die wasserfreie Aufarbeitung des Reaktionsgemischs und die Verwendung der erhaltenen Triaryl-organoboraten als Coinitiator in Photopolymer-Formulierungen, holographischen Medien und Hologrammen. Da beanspruchte Verfahren betrifft die Vorlage eine Alkyl oder Cycloalkylboronsäureesters der Formel: B-R'(OR2)(OR3) in einem aprotischen Lösungsmittel in Gegenwart eines Metalles, Zugabe des Arylhalogenids zur in situ Erzeugung einer metallorganischen Verbindung, Zugabe eines Liganden zur Umsalzung und Abtrennung der anfallenden Metallsalze und Feststoffe (Formel (A)). Weiterhin beansprucht werden Triaryl-alykborate der Formeln (C) und (CC).
Abstract:
Se describe una pomada para el tratamiento y la curación de enfermedades de la piel del ser humano, tales como psoriasis, dermatitis, acnés, herpes y hongos, consisten en una composición obtenida a base de ingredientes tales vaselina filante, clobetasol propionato, agua destilada, miel de romero, aceite de oliva virgen, mercurio cloruro precipitado blanco, ácido salicilico y violeta genciana. Asi mismo, se describe un procedimiento para preparar dicha pomada, que consiste básicamente en preparar una composición completamente homogeneizada a partir de los ingredientes mencionados, con la utilización de un dispositivo agitador, durante un tiempo del orden de 30 minutos y manteniendo la temperatura en torno a los 20°C, para obtener el aspecto cremoso o de pomada de dicha composición.