摘要:
Provided is a drive control device capable of surely detecting, by a monitoring/controlling unit, an abnormality of a short circuit and a disconnection in a power supply circuit to an electric load, and of decreasing a load required for a quick response imposed on the monitoring/controlling unit. A switching element is controlled to open/close by a control output signal generated by a monitoring/controlling unit, and a determination storing circuit determines whether circuit opening and circuit closing have been correctly carried out and stores a result of the determination, and periodically reports to the monitoring/controlling unit. While the stored content of the determination is periodically reset, the determination operation is updated and continues. The monitoring/controlling unit does not need to immediately monitor the determination storing signal when the open/closing command is generated.
摘要:
A fluorine-containing benzaldehyde is reacted with an alkyl Grignard reagent to convert it to a magnesium alkoxide of racemic, fluorine-containing, benzyl alcohol, and subsequently the magnesium alkoxide is reacted with phthalic anhydride to obtain a phthalate half ester of racemic, fluorine-containing, benzyl alcohol, and the half ester is optically resolved by optically active 1-phenylethylamine, and then the ester group is hydrolyzed, thereby producing an optically active, fluorine-containing, benzyl alcohol.
摘要:
The present invention relates to a process for producing an optically active α-fluorocarboxylate derivative represented by the formula [2], by reacting an optically active α-hydroxycarboxylate derivative with trifluoromethanesulfonyl fluoride (CF3SO2F) in the presence of an organic base, in the formula [2], R represents a straight-chain or branched-chain alkyl group of a carbon number of 1 to 12; one of or two by any combination of aromatic hydrocarbon groups, unsaturated hydrocarbon groups, straight-chain or branched alkoxy groups of a carbon number of 1 to 6, aryloxy groups, halogen atoms (fluorine, chlorine, bromine and iodine), protected carboxyl groups, protected amino groups or protected hydroxyl group can be substituted on any carbon atoms of the alkyl group; R1 represents a straight-chain or branched-chain alkyl group of a carbon number of 1 to 8; any carbon atoms of the alkyl groups of R and R1 may form a covalent bond; and * represents an asymmetric carbon.
摘要:
The present invention relates to a method of producing an optically active 1-aryl-2-fluoro-substituted ethylamine compound of the formula [2] or a salt thereof by hydrogenolysis of an optically active secondary amine compound of the formula [1] or a salt thereof in the presence of a transition metal catalyst of Group VIII[Chem. 59] [where Ar represents an aryl group; n represents an integer of 1 or 2; and * represents an asymmetric carbon] [Chem. 60] [where Ar represents an aryl group; n represents an integer of 1 or 2; and * represents an asymmetric carbon].
摘要:
An optically active 1-(fluoro-, trifluoromethyl- or trifluoromethoxy-substituted phenyl)alkylamine N-monoalkyl derivative represented by the formula 4 is produced by a process including (a) reacting an optically active secondary amine, represented by the formula 1, with an alkylation agent R2—X, in the presence of a base, thereby converting the secondary amine into an optically active tertiary amine represented by the formula 3; and (b) subjecting the tertiary amine to a hydrogenolysis, thereby producing the N-monoalkyl derivative, wherein R represents a fluorine atom, trifluoromethyl group or trifluoromethoxy group, n represents an integer of from 1 to 5, each of R1 and R2 independently represents an alkyl group having a carbon atom number of from 1 to 6, Me represents a methyl group, Ar represents a phenyl group or 1- or 2-naphthyl group, * represents a chiral carbon, and X represents a leaving group.
摘要:
A first control circuit section (master station) and a second control circuit section (substation) communicate with each other via series-parallel converters. The master station includes regular transmission device and transmission-permitting signal generation device; and the sub station includes regular report device, confirmation reply device relative to a transmission data from the master station, and an unprocessed data table. The unprocessed data table prevents jam-up in upstream communication from the sub station to the master station, enabling to carry out timely regular transmission and regular reporting. Transmission from the sub station to the master station is performed based on a transmission-permitting control signal that the master station generates. Consequently, it is possible to execute communication error processing and diminish communication control burden on the master station while properly performing the regular transmission and regular report between the master station and sub station.
摘要:
First and second control circuit sections that mutually communicate via a series-parallel converter comprise first and second adder-subtracter respectively. When any receiving error occurs in each control circuit section, a variation value 3 is added to the adder-subtracter on the receiving side. When data is normally received, a variation value 1 is subtracted from the adder-subtracter. Initial value of the adder-subtracter is set to 9. When a current value exceeds 11, first and second error detection signal is generated to carry out alarm display or initialization, and initialization and restart of the other-side control circuit section.
摘要:
A process for producing a brominated acetal (represented by the formula 3) includes (a) brominating a trifluoromethyl-substituted acetophenone by Br2 in the presence of an alkylene diol. It is optional to produce a trifluoromethyl-substituted 2-alkoxyacetophenone derivative (represented by the formula 9) by (b) reacting the brominated acetal with a metal alkoxide, thereby converting the brominated acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove an acetal group from the ether, thereby producing the 2-alkoxyacetophenone derivative. Alternatively, the 2-alkoxyacetophenone can be produced by (a) reacting a trifluoromethyl-substituted phenacyl halide with an acetalization agent, thereby converting the phenacyl halide into an acetal; (b) reacting the acetal with a metal alkoxide, thereby converting the acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove the acetal group from the ether
摘要翻译:制备溴化缩醛的方法(由式3表示)包括(a)在亚烷基二醇的存在下用Br 2 H 3溴化三氟甲基取代的苯乙酮。 (b)使溴化缩醛与金属醇盐反应,从而将溴化缩醛转化成醚,任选地制备三氟甲基取代的2-烷氧基苯乙酮衍生物(由式9表示) 和(c)在酸催化剂的存在下水解醚,以从乙醚中除去缩醛基,从而制备2-烷氧基苯乙酮衍生物。 或者,2-烷氧基苯乙酮可以通过以下方法制备:(a)使三氟甲基取代的苯甲酰甲基卤化物与缩醛化剂反应,从而将苯甲酰甲酰卤转化成缩醛; (b)使缩醛与金属醇盐反应,从而将缩醛转化成醚; 和(c)在酸催化剂存在下水解该醚,以从乙醚中除去缩醛基
摘要:
In an electronic control unit, a control constant stored in a program memory is transmitted to a data memory via a serial communication circuit. First control circuit section (master station) and second control circuit section (substation) mutually communicate through series-parallel converters. The master station includes regular transmission device and storage constant confirmation processing device. The substation includes regular report device and confirmation reply device to a data transmitted from the master station. A constant set data transmitted from the master station by regular transmission device is stored in the data memory at the time of normal receiving. Confirmation information such as sum value of the entire data in the data memory is reported by regular report device. At the master station, if there is any error in the confirmation information, a constant set data is retransmitted with regular transmission device. Reliability of data in the data memory is improved.
摘要:
A process for producing a brominated acetal (represented by the formula 3) includes (a) brominating a trifluoromethyl-substituted acetophenone by Br2 in the presence of an alkylene diol. It is optional to produce a trifluoromethyl-substituted 2-alkoxyacetophenone derivative (represented by the formula 9) by (b) reacting the brominated acetal with a metal alkoxide, thereby converting the brominated acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove an acetal group from the ether, thereby producing the 2-alkoxyacetophenone derivative. Alternatively, the 2-alkoxyacetophenone can be produced by (a) reacting a trifluoromethyl-substituted phenacyl halide with an acetalization agent, thereby converting the phenacyl halide into an acetal; (b) reacting the acetal with a metal alkoxide, thereby converting the acetal into an ether; and (c) hydrolyzing the ether in the presence of an acid catalyst to remove the acetal group from the ether.
摘要翻译:制备溴化缩醛的方法(由式3表示)包括(a)在亚烷基二醇的存在下用Br 2 H 3溴化三氟甲基取代的苯乙酮。 (b)使溴化缩醛与金属醇盐反应,从而将溴化缩醛转化成醚,任选地制备三氟甲基取代的2-烷氧基苯乙酮衍生物(由式9表示) 和(c)在酸催化剂的存在下水解醚,以从乙醚中除去缩醛基,从而制备2-烷氧基苯乙酮衍生物。 或者,2-烷氧基苯乙酮可以通过以下方法制备:(a)使三氟甲基取代的苯甲酰甲基卤化物与缩醛化剂反应,从而将苯甲酰甲酰卤转化成缩醛; (b)使缩醛与金属醇盐反应,从而将缩醛转化成醚; 和(c)在酸催化剂存在下水解该醚,以从乙醚中除去缩醛基。