摘要:
An optically active compound derived from a novel trifluorolactic acid, useful as a component of a ferroelectric liquid crystal composition, and a liquid crystal composition. A compound represented by general formula (I), wherein R represents C1 to C18 alkyl, alkoxy, C2 to C18 alkanoyl, alkanoyloxy or alkoxycarbonyl; R represents optionally alkoxy-substituted alkyl (where the total number of the carbon atoms is 1 to 15); A, B and C represent each independently the group (a) or (b); v and w represent each independently -COO-, -OCO-, -CH2O-, -OCH2-, -CH2-CH2-, -CH=CH-, -C=C- or a single bond; and x and y together represent any of the following combinations: -OCH2- and -O-; -OCH2- and -OCO-; -OCH2- and -OCOO-; -OCO- and -O-; -OCO- and -OCO-; -OCO- and -OCOO-; -COO- and -COO-; -COO- and -CO-; -COO- and -CH2O-; -COO- and -CH2OCO-; -COO- and -CH2OCOO-; -COOCH2- and -O-; -COOCH2- and -OCO-; -COOCH2- and -OCOO-; -O- and -CH2O-; -O- and -CH2OCO-; and -O- and -CH2OCOO-.
摘要:
The present invention relates to compounds according to formula (I) for medical use. The compounds are particularly suitable for the treatment and/or prevention of a medical condition involving hypoxic, anoxic and/or inflamed mammalian tissue. Furthermore, the invention relates to the use of said compounds for preparing a medicament and to pharmaceutical preparations comprising such compounds. The invention also relates to methods of treating or protecting patients having or being prone to develop a medical condition involving hypoxic, anoxic and/or inflamed mammalian tissue, the methods comprising administration of a therapeutically effective amount of such compounds.
摘要:
The invention pertains to certain hydro-fluorocompounds of the following formula (I): R f O-R H -O-(CH2) m -[CF(X)] n -COOX a wherein: - X a is H, a monovalent metal (preferably an alkaline metal) or an ammonium group of formula -N(R' n ) 4 , wherein each of R' n , equal to or different from each other, independently represents a hydrogen atom or a C 1-6 hydrocarbon group (preferably an alkyl group); - R f is a C 1 -C 6 (per)fluoroalkyl optionally comprising one or more catenary oxygen atoms, preferably R f is a group of formula R 'f -CH 2 -, wherein R' f is a C 1 -C 5 perfluorinated group, possibly comprising one or more ethereal oxygens, preferably a C 1 -C 3 perfluorinated group, possibly comprising one or more ethereal oxygens; - R H is a fluorine-free hydrocarbon group optionally comprising one or more catenary oxygen atoms; - X is F or CF 3 , preferably X is F; - m is 0 or 1; - n is 1 to 3, to a process for the manufacture of said hydro-fluorocompounds, to a method of making fluoropolymers in the presence of said hydro-fluorocompounds, and to fluoropolymer dispersions comprising said hydro-fluorocompound.
摘要:
An optically active alpha -substituted carboxylic acid derivative represented by general formula (I) wherein R1 represents hydroxy, -C(=CH2)-COOR3 or -CH(CH3)-COOR3; R2 represents methyl or chloro; R3 represents hydrogen or C1-C6 alkyl; n represents an integer of 1 or 2; and the asterisk represents asymmetric carbon, provided when R1 represents hydroxy, R2 represents chloro; and a process for producing the derivative or an enantiomer thereof by using a culture of a microorganism capable of asymmetrically hydrolyzing an ester linkage or a cell thereof which may have been suitably treated. These compounds are useful as the starting material of various liquid crystals and as an intermediate for synthesizing optically active drugs and pesticides.
摘要:
Compounds of formula (I) wherein X, A, B, R and R have the meanings given in the specification, and pharmaceutically acceptable salts and pharmaceutically acceptable in vivo hydrolysable ester thereof, processes for preparing the compounds and pharmaceutical compositions comprising them. The compounds are useful as potassium channel openers and as therapeutic agents in the treatment of urinary incontinence.
摘要:
This invention relates to novel derivatives of 4-hydroxybutyric acid and prodrugs thereof, and pharmaceutically acceptable salts of the foregoing. This invention also provides pharmaceutical compositions comprising a compound of this invention and the use of such compositions in methods of treating narcolepsy, fibromyalgia, other disorders or conditions that are beneficially treated by improving nocturnal sleep or by administering sodium oxybate.
摘要:
An improved, cost effective process for the preparation of Lacosamide is disclosed. A novel intermediate of formula (IV) and a process for preparation of the novel intermediate is also disclosed. wherein, X is halogen.
摘要:
The present invention is directed to compounds useful as S-nitrosoglutathione reductase (GSNOR) inhibitors, pharmaceutical compositions comprising such compounds, and methods of making and using the same.