Abstract:
A benzocycloheptapyridine compound represented by the following general formula (I), which has an excellent antagonism to leukotriene D4, as well as an antagonism to leukotriene C4 and an antagonism to leukotriene E4 and is useful as an antiallergic agent and an antiinflammatory agent, and its pharmacologically acceptable salt: (I) wherein A represents a heterocyclic aromatic group, etc.; B represents -CH=CH-, etc.; D and E represent each carbon, etc.; X represents oxygen, etc.; Y represents optionally substituted alkylene, etc.; and Z represents optionally protected carboxyl, etc.
Abstract:
The invention aims at providing catalysts for the polymerization or copolymerization of alpha-olefins which exhibit high hydrogen response and high polymerization activity and can give polymers and copolymers of alpha-olefins having high stereoregularity and excellent melt flow characteristics; catalyst components of the catalysts; and processes for the polymerization of alpha-olefins with the catalysts. The invention relates to catalyst components of the catalyst for the polymerization or copolymerization of alpha-olefins which are represented by the general formula (37) or (38): Si(OR )3(NR R ) (37) (wherein R is hydrocarbyl having 1 to 6 carbon atoms; R is hydrocarbyl having 1 to 12 carbon atoms or hydrogen; and R is hydrocarbyl having 1 to 12 carbon atoms), and RNSi(OR )3 (38) (wherein R is hydrocarbyl having 1 to 6 carbon atoms; and RN is cyclic amino).
Abstract translation:本发明的目的在于提供催化剂用于α-烯烃的聚合或共聚,其表现出高的氢响应和高的聚合活性,并且可以得到具有高立构规整性和优异的熔体流动特性的α-烯烃的聚合物和共聚物; 催化剂组分; 以及用催化剂聚合α-烯烃的方法。 本发明涉及由通式(37)或(38)表示的用于α-烯烃聚合或共聚的催化剂的催化剂组分:Si(OR 1)3(NR 2 R 3) )(37)(其中R 1为具有1至6个碳原子的烃基; R 2为具有1至12个碳原子的烃基或氢; R 3为具有1至12个碳原子的烃基),和 RNSi(OR 1)3(38)(其中R 1为具有1至6个碳原子的烃基; RN为环状氨基)。
Abstract:
A nonaqueous electrolytic solution comprising a nonaqueous solvent and an electrolyte salt dissolved therein, characterized by containing a pentafluorophenoxy compound represented by the following general formula (I): (I) wherein R represents a substituent, e.g., alkylcarbonyl, alkoxycarbonyl, aryloxycarbonyl, or alkanesulfonyl, provided that at least one of the hydrogen atoms of the substituent may be substituted by a halogen atom or aryl group.
Abstract:
4,5-Substituted-2-formylaminobenzamides of the general formula (1) can be produced by reacting a compound of the general formula (6) with formic acid in an organic solvent, and can be further converted into 6,7-substituted-quinazolin-4-ones of the general formula (7) through cyclization in the presence of a base: (1) (6) (7) wherein R1 and R2 are each hydrogen, alkyl which may have a substituent, cycloalkyl, alkenyl, aralkyl, aryl, or acyl, and the substituent is alkyl, cycloalkyl, alkenyl, aryl, acyl, alkoxycarbonyl, halogeno, or the like.
Abstract:
A process for the preparation of erythromycin compounds by alkylating 2’−O−acetyl−4”−O−formyl−11−oxo−8,9−anhydro− erythromycin A 6,9−hemiketal compound (1), characterized by reacting compound (1) with an alkylating agent in a mixed solvent consisting of 0.18 to 1.05 times as much water as compound (1) by equivalent and an organic solvent to thereby obtain a 2’−O−acetyl−4”−O−formyl−11−oxo−12−alkoxy−8,9−anhydroerythro− mycin A 6,9−hemiketal compound (3).
Abstract:
A process for producing a (3R,5S)−7−substituted−3,5&minu s;dihydroxyhept−6−enoic acid represented by the formula (5) which comprises optically resolving with an achiral amine compound a mixture of optical isomers of a 7−substituted 3,5−dihydroxyhept−6−enoic acid represented by the formula (1). (1) (5)
Abstract:
A nonaqueous electrolytic solution which contains a ketone compound represented by the following general formula (I): (I) wherein R and R each represents linear or branched alkyl and R , R , R , and R each represents hydrogen or linear or branched alkyl, provided that R and R may be bonded to each other to form a cycloalkanone ring in cooperation with the propanone skeleton bonded to these, or at least two of the alkyl represented by R , the alkyl represented by R , a branch of the alkyl represented by R , and a branch of the alkyl represented by R may be bonded to each other to form a cycloalkane ring, or the alkyl represented by R and the alkyl represented by R may be bonded to each other and/or the alkyl represented by R and the alkyl represented by R may be bonded to each other to form a cycloalkane ring. The nonaqueous electrolytic solution is advantageously utilizable as a constituent material in the production of a lithium secondary battery excellent in cell characteristics and suitability for cycles.
Abstract:
At least one filter block (25, 35, 45) is formed in a thin and flat dielectric multilayer structure (21) and fixed with radiation elements (2, 3). Each filter block includes at least one of a low-pass filter, a high-pass filter and a band-eliminating filter. On the surface (one major surface) side and/or the side face of the multilayer structure, at least one radiation element (2, 3) being connected with the filter block is provided and sections (28, 38, 48) for supplying power to the radiation elements are provided on the rear surface of the multilayer structure. Consequently, the antenna and the filter block are integrated and a small surface mountable antenna incorporating a filter and arranged such that signals are not mixed each other even when signals of a plurality of frequency bands are transmitted/received can be obtained.
Abstract:
A TE mode dielectric filter (1) comprising a plurality of dielectric resonators (2) connected in series, an I/O electrode arrangement (6), a ground electrode (8), and joints. The I/O electrode arrangement (6) comprises an I/O electrode (5) and a dielectric block exposing part (4) touching it and is formed on the dielectric resonator at the opposite ends of the dielectric filter (1). A joint is formed in the bonding face of the dielectric resonators. The ground electrode (8) is formed on the surface of the dielectric resonator except for the I/O electrode arrangement (6) and the joint. The I/O electrode (5) is formed continuously on one side face except for a mounting face (9) defined by the lower surface of the dielectric resonator and the bonding face. Only the upper end of the I/O electrode (5) on one side face is short-circuited to the ground electrode (8).
Abstract translation:包括串联连接的多个介质谐振器(2)的TE模式介质滤波器(1),I / O电极装置(6),接地电极(8)和接头。 I / O电极装置(6)包括I / O电极(5)和与其接触的介质块暴露部分(4),并且形成在介质滤波器(1)的相对端处的介质谐振器上。 在介质谐振器的接合面形成接头。 除了I / O电极布置(6)和接头之外,接地电极(8)形成在介质谐振器的表面上。 I / O电极(5)除了由介质谐振器的下表面和接合面限定的安装面(9)之外的一个侧面上连续地形成。 只有一侧面上的I / O电极(5)的上端与接地电极(8)短路。