Patent classifications
C07C43/164
METHOD FOR PREPARING ETHERS OF CYCLOALIPHATIC OR ARALIPHATIC DIOLS
The present invention relates to a method for preparing a dialkyi or dialkenyl ether of a cycloaliphatic or araliphatic diol, which comprises (i) reacting the cycloaliphatic or araliphatic diol with metallic sodium in an aprotic organic solvent in the presence of a catalytic amount of at least one monoether-monoalcohol of formula (I) wherein Y is identical or different and selected from C.sub.2-C.sub.4-alkylene, n is an integer in the range from 1 to 10, and R.sup.1 is C.sub.1-C.sub.4-Alkyl, whereby the corresponding disodium dialcoholate is obtained, reacting the disodium dialcoholate obtained in step (i) with an alkylation alkenylation reagent.
Electron donor for polyolefin polymerization catalysts and uses thereof
Disclosed in certain embodiments is an electron donor for a polyolefin polymerization catalyst. In some embodiments, a solid catalyst component includes a metal component and the electron donor that form a catalyst on a support.
Electron donor for polyolefin polymerization catalysts and uses thereof
Disclosed in certain embodiments is an electron donor for a polyolefin polymerization catalyst. In some embodiments, a solid catalyst component includes a metal component and the electron donor that form a catalyst on a support.
BRANCHED MONODISPERSED POLYETHYLENE GLYCOL, INTERMEDIATE AND METHODS FOR PRODUCING SAME
A branched monodispersed polyethylene glycol represented by the formula (1):
##STR00001##
wherein X.sup.1 is a functional group that forms a covalent bond upon a reaction with a functional group present in a biofunctional molecule; n is an integer of 4 to 50, which represents number of repeating units of ethylene oxide units; and L.sup.1 represents a single bond, NH, -L.sup.2-(CH.sub.2).sub.m1 or -L.sup.2-(CH.sub.2).sub.m1-L.sup.3-(CH.sub.2).sub.2-, L.sup.2 represents an ether bond, an amide bond, an urethane bond or a single bond, L.sup.3 represents an ether bond, an amide bond or an urethane bond, and m1 and m2 represent each independently an integer of 1 to 5.
POLYPHENYLMETHANOL SURFACTANTS
The present disclosure provides a composition comprising a surfactant compound containing aromatic groups in the hydrophobe. Also disclosed are personal care formulations and performance chemical formulations, such as agrochemical formulations, that comprise such surfactant compounds.
POLYPHENYLMETHANOL SURFACTANTS
The present disclosure provides a composition comprising a surfactant compound containing aromatic groups in the hydrophobe. Also disclosed are personal care formulations and performance chemical formulations, such as agrochemical formulations, that comprise such surfactant compounds.
Branched monodispersed polyethylene glycol, intermediate and methods for producing same
A branched monodispersed polyethylene glycol represented by the formula (1): ##STR00001##
wherein X.sup.1 is a functional group that forms a covalent bond upon a reaction with a functional group present in a biofunctional molecule; n is an integer of 4 to 50, which represents number of repeating units of ethylene oxide units; and L.sup.1 represents a single bond, NH, -L.sup.2-(CH.sub.2).sub.m1- or -L.sup.2-(CH.sub.2).sub.m1-L.sup.3-(CH.sub.2).sub.m2-, L.sup.2 represents an ether bond, an amide bond, an urethane bond or a single bond, L.sup.3 represents an ether bond, an amide bond or an urethane bond, and m1 and m2 represent each independently an integer of 1 to 5.
NLRX1 ligands
Provided are compounds that target the nucleotide-binding oligomerization domain, leucine rich repeat containing X1 (NLRX1) pathway. The compounds can be used to treat multiple conditions, including chronic and/or inflammatory gastrointestinal diseases, cancers, and infectious diseases.
PROCESS
The invention relates to a process for synthesising organic molecules. The invention provides a process for forming an sp.sup.2-sp.sup.3 carbon-carbon bond between a first compound comprising a substituted or unsubstituted aromatic group and a second compound comprising a substituted or unsubstituted aromatic group in the presence of a catalyst, water, and a first base. The process may find use in the preparation of active pharmaceutical ingredients.
CELL SEEDING PLATE, METHOD FOR MANUFACTURING THE SAME, AND CELL SHEET SEPARATING METHOD
A cell seeding plate comprises a substrate and a photolysis layer formed on a surface of the substrate. The photolysis layer comprises a plurality of photolysis groups, and each of the plurality of photolysis groups has a chemical structural formula of
##STR00001##
R.sub.1 and R.sub.3 each represents alkane group, R.sub.2 comprises alkane group or olefin group, R.sub.5, R.sub.6 and R.sub.7 each represents hydrogen group or alkane group. Each of the plurality of photolysis groups is bonded to the surface by the amide group.