摘要:
A method for producing optically active compounds is disclosed. The method is highly practical for producing optically active compounds useful for various utilities such as intermediates for synthesizing pharmaceutical agents, liquid crystal materials and agents for optical resolution.
摘要:
This document describes a novel and practically excellent process for the preparation of optically active compounds, such as optically active alcohols or amines which are useful for various applications, for example, as synthetic intermediates of pharmaceuticals, liquid crystal materials, and reagents for optical resolution, wherein a hydrogen transfer type asymmetric reduction is carried out in the presence of both a transition metal complex and an optically active nitrogen compound or a transition metal complex having an optically active nitrogen compounds as an asymmetric ligand, and a hydrogen-donating organic or inorganic compound.
摘要:
A semiconductor device includes a first die pad, a first semiconductor chip provided on the first die pad, a second die pad, a second semiconductor chip provided on the second die pad, and a sealing resin made of a first resin material, sealing the first die pad, the first semiconductor chip, the second die pad and the second semiconductor chip. A lower surface of the first semiconductor chip is connected to the first die pad. A first portion of a lower surface of the second semiconductor chip is connected to the second die pad, and a second portion not connected to the second die pad of the lower surface of the second semiconductor chip is connected to an upper surface of the first semiconductor chip via a second resin material different from the first resin material.
摘要:
In an embodiment of the present invention, a remote control device is provided with an optical indicator device and a light-receiving device. A display device is provided with a display portion that displays a pointer and a frame portion that accommodates the light-receiving device. By displacing a light-emitting element sequencially to a plurality of displacement positions, supplying a light emission signal to the light-emitting element at each displacement position and to cause the light-emitting element to emit as output a position detection light signal, then sequencially detecting light-reception signals that are received as input by a position detection light-receiving element of the light-receiving device, and performing arithmetic processing as appropriate on the detected light-reception signals, a displacement state of a reference axis displacement angle is detected. Movement of a pointer is controlled by using the displacement state of the reference axis displacement angle as an indicating signal for the pointer.
摘要:
A remote control device provided with a means for receiving light from a light-emitting element 21 at a light-receiving element 3 and detecting from a signal thereof a movement amount of a mark 16 on a screen 2a of a display device 2 so as to cause movement of the mark such as a pointer on the screen of the display device in response to a movement amount of a light emission point H of the light-emitting element, wherein the light-receiving element is provided with a semiconductor position detection element, and moreover, is configured to be capable of detecting movement of the light emission point in a horizontal direction and a vertical direction, and causes the mark on the screen of the display device to move due to the signal from the light-receiving element.
摘要:
To provide a producing method of an optically active β-amino acid useful as intermediate for the production of medicines, agricultural chemicals and physiologically active substances, by means of a catalytic and asymmetric synthesis method of high performance and a high enantiomeric excess, without requiring additional procedures such as introduction and removal of protecting group and so on.A producing method of an optically active β-amino acids which comprises subjecting an enamine to an asymmetric hydrogenation.
摘要:
The main surface of a first semiconductor chip having a first functional element is formed with first testing electrodes for testing the electrical characteristics of the first functional element and first connecting electrodes electrically connected to the first functional element. The main surface of a second semiconductor chip having a second functional element is formed with second testing electrodes for testing the electrical characteristics of the second functional element and second connecting electrodes electrically connected to the second functional element. The first semiconductor chip and the second semiconductor chip are integrated by using an insulating resin, with first bumps formed on the first connecting electrodes being bonded to third bumps formed on the second connecting electrodes.
摘要:
The present invention provides a novel ruthenium complex which has an excellent catalytic activity in terms of reactivity for an asymmetric reduction of a carbonyl compound and enantioselectivity, a catalyst using the ruthenium complex, and a method for preparing optically active alcohol compounds using the ruthenium complex. The present invention relates to a ruthenium complex having a ruthenacycle structure, a catalyst for an asymmetric reduction consisting of the ruthenium complex, and a method for preparing optically active alcohol compounds using the ruthenium complex.
摘要:
A semiconductor device includes a tape carrier substrate having a flexible insulating film base, a plurality of conductor wirings provided on the film base, and wiring bumps respectively formed so as to cover an upper surface and both side surfaces of the conductor wirings, and a semiconductor chip mounted on the tape carrier substrate, wherein electrodes of the semiconductor chip are connected to the conductor wirings via the wiring bumps. Electrode bumps are formed on the electrodes of the semiconductor chip, the electrodes of the semiconductor chip are connected to the conductor wirings via a bonding between the wiring bumps and the electrode bumps, and the electrode bumps are harder than the wiring bumps. This structure can reduce bonding damages to the electrodes of the semiconductor chip caused by a process of connecting the electrodes and the conductor wirings via the bumps.
摘要:
The Problem to Be Solved: To provide a producing method of an optically active β-amino acid useful as intermediate for the production of medicines, agricultural chemicals and physiologically active substances, by means of a catalytic and asymmetric synthesis method of high performance and a high enantiomeric excess, without requiring additional procedures such as introduction and removal of protecting group and so on. Means to Solve the Problems: A producing method of an optically active β-amino acids which comprises subjecting an enamine to an asymmetric hydrogenation.