baber/WOPTO huggingface dataset:
Patent KR-20110108887-A (KR)
Title: 매립 게이트를 갖는 반도체 장치 제조 방법
Inventor: AHN TAE HANG
IPC: H01L21/336
Filed: 2010-03-30
Abstract: 본 발명은 게이트 절연막의 두께를 균일하게 형성할 수 있는 매립 게이트를 갖는 반도체 장치 제조 방법을 제공하기 위한 것으로, 본 발명은 기판에 트렌치를 형성하는 단계; 상기 트렌치 하부의 양쪽 코너부분에 틸트 이온주입을 진행하는 단계; 상기 트렌치의 표면을 따라 게이트 절연막을 형성하는 단계; 및 상기 게이트 절연막 상에 상기 트렌치를 매립하는 매립 게이트를 형성하는 단계를 포함하여, 트렌치를 형성한 후 틸트 이온주입을 통해 양쪽 코너부분에 저마늄을 이온주입하여 국부적으로 실리콘저마늄을 형성함으로써 게이트 절연막 형성시 산화를 빠르게 하여 전체적으로 게이트 절연막의 두께가 균일하게 형성되도록 하며, GOI(Gate Oxide Integrity), 누설전류(Leakage Current) 및 동작전류(Drive Current) 등을 포함하는 소자특성을 향상시키는 효과가 있다.
Patent KR-20100111614-A (KR)
Title: Image processing method, image processing apparatus, and recording medium
Inventor: YOSHINO KYOJI
IPC: H04N7/24
Filed: 2010-03-30
Abstract: PURPOSE: An image processing device, an image processing method, and a recording medium are provided to generate output data including output data pixel information showing a pixel configuring a planar image and output data color information showing color information corresponding to the pixel. CONSTITUTION: An interpolation operation unit(12) obtains input data color information based on an arrangement pattern of a color filter array of Bayer arrangement. The interpolation operation unit produces output data color information showing color information corresponding to a pixel configuring a planar image based on the input data color information. An image correction signal circuit unit(3) generates output data including the output data pixel information and the output data color information. An input frame memory(6) and an output frame memory(10) memorize input data and output data.
Patent KR-20110110382-A (KR)
Title: 언어 학습을 위해 멀티미디어 자막으로 음성 인식 시스템을 사용하는 방법
Inventor: LEE SUNG KI
IPC: G09B19/06
Filed: 2010-04-01
Abstract: 본 발명은 동영상, 음성 파일 등의 멀티미디어 매체 데이터에서 추출되거나 자동 생성된 자막을 이용해 그 내용을 음성인식 학습이 가능한 콘텐츠로 자동 변환하여 사용자는 멀티미디어 데이터를 다양한 재생 매체를 통해 재생하면서 동시에 언어학습을 할 수 있도록 하는 음성인식 언어 학습 시스템에 관한 것이다. 
본 발명은 다양한 멀티미디어 데이터를 쉽게 언어 학습의 도구로 이용할 수 있게 해줌과 동시에 음성인식 기술을 통해 언어학습을 가능케 하여 그 활용과 학습효과를 높일 수 있다. 
사용자의 취향에 맞는 멀티미디어 데이터를 원하는 재생 매체를 통해 재생하여 즐김과 동시에 그 내용을 학습 콘텐츠로 변환하여 음성인식 언어학습을 가능케 하여 사용자의 흥미와 학습 효과를 높일 수 있게 한다. 
특히 저작물에 대한 고유 권한에 대한 침해를 하지 않고 학습 데이터로 사용이 가능하므로 학습할 수 있는 데이터에 대한 제한이 적어 그 활용의 범위가 광대하다.
Patent KR-20110112099-A (KR)
Inventor: LEE HYEUNG GYU
IPC: H02N2/02
Filed: 2010-04-06
Abstract: 본 발명은 전단변형 모드 압전체를 이용한 압전발전기에 관한 것으로, 보다 상세하게는 일면에 개구부가 형성되고, 개구부 반대면 중앙에 고정축이 고정된 외측 프레임; 상기 외측 프레임의 상기 개구부를 밀폐시키며 상하 이동이 가능하게 결합되는 외력전달면 및 상기 외력전달면에 수직한 방향으로 형성된 제 1 외력전달축 및 제 2 외력전달축을 포함하는 외력전달부; 및 상기 고정축에 일면이 고정되고, 타면은 상기 각각의 외력전달축과 접촉되도록 고정되어 전단응력을 발생시키는 제 1 및 제 2 압전체를 포함하는 압전발전기에 관한 것이다.
Patent KR-20110114760-A (KR)
Inventor: CHUNG TAE SHIN
IPC: F42B12/56
Filed: 2010-04-14
Abstract: 본 발명은 목표물 주변에서 폭발하여 은폐 엄폐한 적들을 효과적으로 제압할 수 있도록 함과 아울러 내부에 설치된 금속파편링에 의해 더 많은 유효 파편이 형성되도록 한 파편링을 구비한 공중폭발탄에 관한 것으로서,  
내부에 고폭약(15)이 내장되고 폭발압에 의해 파열되어 파편으로 형성되는 탄체(10)와, 상기 탄체(10)의 전방에 설치되어 고폭약(15)을 기폭시키는 신관(20)을 포함하는 공중폭발탄에 있어서, 탄체(10)의 내부에 성형파편을 형성하는 금속파편링(50)이 설치되고, 금속파편링(50)은 폭발시 발생하는 파편의 크기가 유효균일화되도록 내주면(51)과 외주면(52) 중 적어도 일면에 축 방향의 노치(54)가 원주면을 따라 일정 간격으로 다수 형성된 것을 특징으로 한다. 
이에 따라, 탄체 내부의 고폭약이 폭발할 때 대량의 성형 파편이 탄체의 파편과 함께 비산하게 되므로 동일 크기의 탄체로부터 더 많은 양의 유효 파편이 형성되고 살상 반경이 넓어지게 되어 탄의 위력이 증가하게 된다.
Patent KR-20100119716-A (KR)
Title: A testing apparatus for a plate-shaped object
Inventor: UEKI ISAO
IPC: G02F1/13
Filed: 2010-04-16
Abstract: PURPOSE: A testing apparatus for a plate-shaped object is provided to determine an accurate position by pressing the cross section of the object in x and y directions through a pusher mechanism. CONSTITUTION: An alignment device comprises a first pusher apparatus(80) and a second pusher apparatus(84). The first pusher apparatuses are arranged in a longitudinal direction with regards to both sides of a panel accepting face which are opposite to each other. A second pusher apparatus is arranged of both sides of the panel accepting face. The pusher apparatus is moved backward by positioning apparatuses(82,86) which determines the reference position of the object in x and y directions.
Patent KR-20110116386-A (KR)
Inventor: LEE YOUNG JIN
IPC: B06B1/02
Filed: 2010-04-19
Abstract: 고온 유량 측정 성능이 우수한 초음파 트랜스듀서 및 이를 이용한 고온용 초음파 유량계에 대하여 개시한다.  
본 발명에 따른 고온용 초음파 유량계는 유체의 유입 및 유출이 이루어지는 몸체관(body pipe); 및 연결부가 상기 몸체관의 측벽에 장착되는 초음파 트랜스듀서;를 포함하고, 상기 초음파 트랜스듀서의 연결부는 상기 유체로부터 전달되는 열을 방출하는 방열부를 포함하는 것을 특징으로 한다. 이때, 방열부는 복수의 방열 날개로 이루어질 수 있다.
Patent KR-20100127702-A (KR)
Title: Fucus detection apparatus, image pickup device, and electronic camera
Inventor: KOMURO YOSHIAKI
IPC: H04N5/335
Filed: 2010-05-14
Abstract: PURPOSE: A focus detection device, a photographing element, and an electronic camera thereof are provided to extend the aperture area of the photo diode of a focus detection pixel by effectively using a pixel area. CONSTITUTION: A low refraction filter(550) and a high refraction filter(560) face a photo diode(528) in both sides. A micro lens(522) arranges an optical axis in the center of the photo diode. The low refraction filter and the high refraction filter has the same thickness and have a thicker direction towards the optical axis direction of the micro lens.
Patent KR-20110127384-A (KR)
Title: A way or systme to make human network on online by business card
Inventor: CHOI KYUNG CHUN
IPC: G06Q10/10
Filed: 2010-05-19
Abstract: PURPOSE: An online human network forming method on online is provided to store a digital name card in an online server and to automatically update name card information after digitalizing a name card through a name card domain. CONSTITUTION: Name card information is digitalized through various devices. The digitalized name card is stored in a remote server through wired/wireless network. The name card is managed through a name card domain. An original owner processes the transferring of ownership. An e-mail is automatically sent to a user.
Patent KR-20110129237-A (KR)
Title: Jewelry and display storage of jewelry
Inventor: NO HIE OK
IPC: A47F5/00
Filed: 2010-05-25
Abstract: PURPOSE: Jewellery and a jewellery display case are provided to facilitate display and storage of jewellery and to make jewellery look better. CONSTITUTION: A jewellery display case comprises: a square lower case(100); a square upper case(200); a supporting board(300) which supports a jewellery mounting unit; a jewellery mounting unit(400) which is installed on the supporting board and is fixed; and jewellery which is mounted in the jewellery mounting unit. In the front of the upper case, an opening is formed. In the front bottom of the upper case, a semicircular handle is formed. In the supporting board, an insertion hole is formed.
Patent KR-20110132029-A (KR)
Title: Manufacturing method of nano powder dispersed solution
Inventor: HAN SUNG
IPC: B01J19/10
Filed: 2010-06-01
Abstract: PURPOSE: A method for manufacturing a nano-particle solution is provided to simplify manufacturing processes and to reduce a cost required for the manufacturing processes by omitting an additional process for eliminating the components of base material powder. CONSTITUTION: Base material powder(110) is introduced into a stirrer which is arranged in a vacuum chamber. The stirrer stirs the base material powder under a vacuum state. Nano-particles(120) are deposited on the surface of the base material powder through a dry depositing process. The nano-particle deposited base material powder is introduced into a container(210) containing a solvent(130). Ultrasound wave is applied to the container in order to separate the nano-particle from the surface of the base material powder in the solvent. The base material powder is filtered. The base material powder is composed of one selected from ceramics, glass, and a fluorine-based resin.
Patent KR-20110134614-A (KR)
Title: A skin-care agent containing arctii fructus extracts using microbial fermentation
Inventor: BAE JUN TAE
IPC: A61Q19/00
Filed: 2010-06-09
Abstract: PURPOSE: An external use skin composition containing Arctii fructus fermentation is provided to ensure reactive oxygen removal, anti-wrinkling, sliming, and whitening effect. CONSTITUTION: An Arctii fructus fermentation is preapared by adding Grifola frondosa(deposit number KCTC 10337BP) mycelium, culture liquid or extract thereof into Arctii fructus extract. The fermentation contains arctigenin and caffeic acid aglycon. An external use skin composition contains 0.001-30.0 wt% of the fermentation based on the total composition. The composition is used for relieving irritation and treating atopic dermatitis.
Patent KR-20110135279-A (KR)
Title: Solder ball attach apparatus using wireless power and wireless optical signal
Inventor: KIM TAE HYUN
IPC: H01L21/60
Filed: 2010-06-10
Abstract: PURPOSE: A solder ball attaching apparatus which uses a wireless optical signal and wireless power is provided to not use expensive vision alignment and vision inspection apparatus, thereby reducing apparatus manufacturing costs. CONSTITUTION: A loading part loads a wafer. A wireless power transmission part(120) wirelessly supplies power to the wafer. An alignment part(130) aligns the wafer using a wireless optical signal. A first test part(140) performs an electrical inspection with respect to a plurality of semiconductor chips arranged in the wafer using the wireless optical signal. A solder ball attachment part attaches a solder ball on the wafer. An unloading part unloads the wafer.
Patent KR-20100135669-A (KR)
Title: Method, device, and system for implementing video call
Inventor: JIANG CHAOQUN
IPC: H04N7/14
Filed: 2010-06-16
Abstract: PURPOSE: A method for embodying the video call, a device and a system thereof are provided to perform media negotiation with a calling and receiving terminal and establish the media channel thereby processing the present video by the indication information of the calling and receiving. CONSTITUTION: A video call device receives a video call of a calling party. The video call device performs media negotiation with the calling party. If the receiving party answers, the calling party performs the media negotiation with the receiving party. The video call device establishes the video and audio channel between the calling party and the receiving party(101). The video call device processes video(102).
Patent KR-20110138487-A (KR)
Title: Web ontology editing and operating system
Inventor: KANG BYUNG CHUL
IPC: G06F17/24
Filed: 2010-06-21
Abstract: PURPOSE: An ontology editing operating system based on a web is provided to detect a public operating result by defining the concept of an ontology structure based on a graph. CONSTITUTION: An ontology analysis providing service module(110) displays a triple graph and extracts triple by analyzing ontology information according to an ontology protocol. A multi-ontology providing service module(120) modifies the ontology at the same time and includes the lower concept of the related content. An ontology editing tool providing service module(130) provides ontology editing environment and an editing tool.
Patent KR-20120000716-A (KR)
Title: Flood prevention system based on gis and method of the same
Inventor: YANG DONG MIN
IPC: G06Q50/00
Filed: 2010-06-28
Abstract: PURPOSE: A flood protection system based on a geographic information system is provided to suggest flood defense measures using the vulnerability index of a local feature. CONSTITUTION: A flood defense system acquires a vulnerability index according to a lattice area. The flood defense system determines a usage level using the acquired vulnerability index. The flood defense system exhibits effective countermeasures. The flood defense system establishes the optimized method according to the effective countermeasures.
Patent KR-20110001944-A (KR)
Title: Gas supply unit and gas supply apparatus
Inventor: KATO KEISUKE
IPC: H01L21/02
Filed: 2010-06-29
Abstract: PURPOSE: A gas supplying unit and a gas supplying apparatus are provided to smoothly transfer the purge gas through a flow path by extending the flow path in the longitudinal direction of a vale mounting surface and forming main flow path thicker than a connection flow path. CONSTITUTION: A flow path is formed on the inside of a flow path block(20). The flow path comprises the main flow path and a plurality of subsidiary flow paths connected to the main flow path. An on-off valve shuts or communicates with the subsidiary flow path and the main flow path. The flow path block comprises a valve top surface(20a) and a subsidiary flow path aperture.
Patent KR-20120003095-A (KR)
Inventor: KIM YEON UK
IPC: G11C5/14
Filed: 2010-07-02
Abstract: PURPOSE: A voltage generating apparatus is provided to maintain output voltage level stably in response to the current using an output voltage. CONSTITUTION: In a voltage generating apparatus, a differential amplifier(100) is activated in response to a pulse signal. The differential amplifier drives a driving node according to the level of the output node and a reference voltage. A first driving part(200) drives an output node according to the voltage level of the driving node. A compensation unit(400) drives the driving node in response to a pulse signal.
Patent KR-20110004308-A (KR)
Title: Elbow coaxial electric connector and method to assemble such a connector
Inventor: ANNEQUIN SEBASTIEN
IPC: H01R9/05
Filed: 2010-07-05
Abstract: PURPOSE: An elbow coaxial electric connector and a method to assembling such a connector are provided to simplify an assembling operation for a connection assembly with an elbow coaxial connector and a connection operation for coupling one of assemblies with a complementary assembly. CONSTITUTION: An elbow coaxial connector(2) includes a center contact, an insulating element, and a main body. At least one crimping unit is placed on the center contact. The insulating element includes a bearing unit. The elbow coaxial electrical connector is mounted on a coaxial cable(3). The first tubular unit is expanded along with the first axis of a sleeve(5).
Patent KR-20120009969-A (KR)
Title: An Electromotor for an Electric Automobile
Inventor: PARK GYE JEUNG
IPC: H02K5/22
Filed: 2010-07-23
Abstract: PURPOSE: An electric motor for electric vehicles is provided to surround a fixed shaft with a wire which is inserted into inside of a housing of an electric motor, thereby eliminating a separate through-hole for inserting a wire in the fixed shaft. CONSTITUTION: An electric motor for electric vehicles comprises a housing(20) which includes a fixed shaft(10), a stator(220), and a rotor(210). The rotor is combined in the fixed shaft with a bearing. The fixed shaft secures durability in order to support the housing which includes the rotor. The housing has a structure which arranges frames in inner and outer parts of the electric motor. A fixed shaft combining part(223) is combined in the fixed shaft. An armature coil(222) is wound on an armature core(221). A wire is connected to the armature coil in order to supply a current. A magnetic field generated by a magnet(214) interacts with a magnetic field generated by the armature coil.
Patent KR-20120010679-A (KR)
Title: Method and apparatus for recovery of amine from amine-containing waste water and regeneration of amine-form cation exchange resin
Inventor: RHEE IN HYOUNG
IPC: C02F1/20
Filed: 2010-07-27
Abstract: PURPOSE: A method and an apparatus for collecting amine containing wastewater and regenerating amine saturated cation exchanging resins are provided to collect amine of high concentration and high purity from amine containing wastewater and to regenerate amine saturate cation resins by injecting a strong acid solution into amine trapped in a cation exchanging resin layer. CONSTITUTION: A cation exchanging resin layer traps and elutes amine from amine containing wastewater. A gas stripper degasses the eluted amine. A vacuum pump is in connection with the gas stripper. A condensation cooling column condenses the degassed amine at a temperature lower than or equal to minus 33 degrees Celsius. An adsorption column traps one or more selected from groups composed of water and amine. Amine trapped in the cation exchanging resin layer is eluted by injecting a strong acid solution. The eluted amine is vacuum-degassed, and the cation exchanging resin is regenerated.
Patent KR-20120021382-A (KR)
Title: Dyeing and treating method of providing multi-tone effect with wool fabric
Inventor: KIM JI MI
IPC: D06P3/86
Filed: 2010-07-29
Abstract: PURPOSE: A dyeing process method having multi-tone effect on a wool cloth without damage of the wool cloth is provided. CONSTITUTION: A dyeing process method for multi-tone effect on a wool cloth comprises: a step of partially applying labeling agent onto wool fabric and fixing by a dry-heat treatment process; a step of impregnating the wool fabric into the labeling agent and ammonium solution; and a step of processing at 70-90°C for 5-20 minutes.
Patent KR-20120011742-A (KR)
Title: Floating windgenerator
Inventor: PARK SUN KYU
IPC: F03D9/00
Filed: 2010-07-30
Abstract: PURPOSE: A floating wind power generator is provided to prevent a manager from falling down to the sea by preventing a floating structure from shaking. CONSTITUTION: A floating wind power generator comprises a generator housing, multiple blades, a floating body(220), a receiving unit, and a structure support(210), and a supporter(230). The blades are rotatably installed in the generator housing. The floating body has a hollow. The receiving unit accepts air to generate additional buoyancy when seawater flows into the hollow. The structure support is located at the top surface of the floating body. The supporter is coupled to the bottom surface of the floating body.
Patent KR-20120057687-A (KR)
Title: Turbo compressor
Inventor: HWANG JUN HYEON
IPC: F04D17/12
Filed: 2010-08-09
Abstract: PURPOSE: A turbo compressor is provided to obtain a turbo compressor in which the efficiency is improved and a miniaturization is possible by minimizing a flow loss. CONSTITUTION: A turbo compressor comprises a casing(60), a driving shaft(70), a motor(80), a rotary body(90), a first impeller(100), and a second impeller(110). The rotary body is arranged inside the casing and connected to be rotated by the driving shaft and comprises a refrigerant flowing hole. The first impeller arranged in the inner side of the rotary body compresses refrigerant, thereby transfers to the rotary body when the rotary body rotates. The second impeller arranged in the outer side of the rotary body compresses the refrigerant having passed through the refrigerant flowing hole after compressed by the first impeller when the rotary body rotates.
Patent KR-20120015202-A (KR)
Title: 태블릿ｐｃ용 거치대
Inventor: KIM KI SANG
IPC: G06F1/16
Filed: 2010-08-11
Abstract: 본 발명은 최근 수요가 증대되는 태블릿PC를 보다 견고하게 거치시켜서 흔들리는 차량 뿐만 아니라 테이블 등에도 하나의 거치대로 거치시킬 수 있어서 각각 거치대를 구비하지 않아도 되므로 별도의 추가비용 및 보관상의 문제가 없으며, 태블릿PC의 사용환경에 적절하게 세팅할 수 있어서 사용상의 편의성을 향상시킨 태블릿PC용 거치대에 관한 것이다.   
본 발명에 따르면, 태블릿PC(1)가 장착되는 지지대(10)와, 기단부가 상기 지지대(10)의 후면에 결합되어 자유자재로 회동되는 회동아암(60)과, 상기 회동아암(60)의 선단부에 구비되어 차량 유리에 흡착되는 흡착판(70)을 포함하며, 상기 지지대(10)는 태블릿PC(1)의 후면을 지지하고 태블릿PC(1)의 하단부의 전면부를 감싸도록 전방으로 돌출되어 상향 절곡된 이탈방지돌기(21)가 형성된 지지판(20)과, 이 지지판(20)의 상단부에 구비되어 태블릿PC(1)의 상단 전면부에 착탈되게 결합되는 고정부재(40)를 포함하여 구성된 것을 특징으로 하는 태블릿PC용 거치대가 제공된다.
Patent KR-20110023751-A (KR)
Title: System to modify website for organic search optimization
Inventor: KAMEL ALEXANDRE PERRY
IPC: G06F17/30
Filed: 2010-08-13
Abstract: PURPOSE: A system for changing a web site, capable of improving the ranking result of a website is provided to identify a page related to a category and a topic and arrange the selected keyword on the web site. CONSTITUTION: A data management module(103) receives a keyword(106), a related term(107) and a website input data. A scanning module(101) scans a webpage and a web object. An optimizing module(102) gives a priority to a partial set of the web object and measures a metric. The optimizing module arranges the keyword and the related term.
Patent KR-20120021967-A (KR)
Title: Lime paint composition having sick house low reduction effect, antibacterial and anti-mold properties
Inventor: KIM HWAN
IPC: A01N61/02
Filed: 2010-08-24
Abstract: PURPOSE: A limestone paint composition is provided to improve miscibility with water based resin, thereby improving hardness and adhesive force. CONSTITUTION: A limestone paint composition comprises 20-75 weight% of calcium hydroxide or hydration light burning dolomite slurry, 5-45 weight% of water-based adhesive resin(50 weight% of solid content), 5-20 weight% of titanium dioxide, 1-15 weight% of ethylene vinyl alcohol, 5-25 weight% of dolomite, 1-15 weight% of super plasticizer, 1-15 weight% of antifoaming agent, and 1-15 weight% of moisture stabilizer. The calcium hydroxide contains 74 weight% or greater of CaO. The hydration light burning dolomite contains 90 weight% or greater of total amount of MgO and CaO.
Patent KR-20120019812-A (KR)
Inventor: KIM SUK MIN
IPC: G06F17/21
Filed: 2010-08-27
Abstract: PURPOSE: An online full-text automatic mapping method, online full-text conversion form, and batch transmission processing type for a red-pin MCI(Multi channel integration) product are provided to accept various conversion requests by registering an online full-text conversion pattern and a file transmission and reception pattern. CONSTITUTION: An online full-text automatic mapping method automatically maps other online full-texts by utilizing a line. An online full-text conversion format supports a detail conversion progress by providing a conversion format. A batch transmission processing type provides a component processing type for transmitting a file.
Patent KR-20120021005-A (KR)
Title: Radiation panel
Inventor: LEE KYU SIK
IPC: F24C15/24
Filed: 2010-08-31
Abstract: PURPOSE: A heat radiating panel is provided to improve strength using a first cover layer having a first resin layer and a first nonwoven fabric and a second cover layer having a second resin layer and a second nonwoven fabric. CONSTITUTION: A heat radiating panel(100) comprises a first cover layer, a conductive layer, copper lines(130), a second cover layer, and a far infrared radiating layer. The conductive layer is formed on one surface of the first cover layer. The copper lines are arranged on both ends of the conductive layer. The second cover layer is coupled to the first cover layer to cover the conductive layer and the copper lines. The far infrared radiating layer is formed on the other surface of the first cover layer and radiates far infrared rays when the conductive layer is heated.
Patent KR-20100100740-A (KR)
Title: Light emitting apparatus
Inventor: SON WON JIN
IPC: F21V17/00
Filed: 2010-09-01
Abstract: PURPOSE: A light emitting apparatus is provided to use a socket of fluorescent lamp as the power terminal by offering the light emitting apparatus as fluorescent lamp type. CONSTITUTION: A second cover(120) of transparency is arranged on the bottom of a first cover(110). A plurality of radiation fins(111, 112) are formed in convexo-concave formed on inner or outer surface of the first cover. A light emitting module(130) comprises a substrate(132) and a light emitting diode(133).
Patent KR-20120025813-A (KR)
Title: A process of preparing enantioselective (d)-alpha amino acids
Inventor: JANG DOO OK
IPC: C07C241/02
Filed: 2010-09-08
Abstract: PURPOSE: An enantioselectivity manufacturing method of (d)-alpha amino acids is provided to improve yield rate and selectivity of the (d)-alpha amino acids. CONSTITUTION: An enantioselectivity manufacturing method of (d)-alpha amino acids comprises the following steps: processing a radical addition reaction by mixing cinchonidine organic catalyst which is represented by chemical formula 1 with alkylating agent which is represented by chemical formula 2; and adding R^53B. In the chemical formula1 and 2, R is selected from benzyl group, benzoyl group, and anthracene-9-carboxylate, X is selected from H3PO2 and PF6, R^1 is selected from C1-5 lower alkyl, C6-20 higher alkyl group, phenyl, benzyl group, substituted C1-5 lower alkyl group, substituted C6-20 high alkyl group, substituted phenyl group, and substituted benzyl group, and R^2 is selected from R^3CO-, benzoyl group, and substituted benzoyl group.