baber/WOPTO huggingface dataset:
Patent KR-20010047554-A (KR)
Title: Pulverized coal burner
Inventor: KIM JONG GYU
IPC: F23D17/00
Filed: 1999-11-22
Abstract: PURPOSE: A pulverized coal burner improves ignitionability and hinders nitrogen oxide from generating by reinforcing turbulence and mixture with dust coal even with a little amount of air. CONSTITUTION: A pulverized coal burner includes multiple flame stabilizing baffles(15) attached on the inner wall of a pulverized coal burner nozzle(12) to the circumferential direction. Eddy current of pulverized coal and primary combustion air is generated due to the flame stabilizing baffles(15) to increase turbulence and mixing of fluid so as to improve ignitionability and flame stability and minimize nitrogen oxide by forming condition of excessive fuel and lacking air during initial combustion process.
Patent KR-20010048937-A (KR)
Inventor: PARK BONG GYU
IPC: H04N5/64
Filed: 1999-11-30
Abstract: PURPOSE: A preamplifier assembly of television is provide to prevent from operating in error and to improve a receiving sensitivity of a remote control signal being free from the interference of an external signal(noise) by integrating a pre-amp(13) as inserting a window pre-amp(12) to a cover pre-amp(11) without attaching a cabinet on the window pre-amp(12) and coinciding with the center of the window pre-amp(12) and pre-amp(13). CONSTITUTION: A board(14) is formed with plural joint spaces at a fixed point of a body. A pre-amp is fixed to the board(14) and is formed with a lead-through space(15) at a fixed part of the body. A window pre-amp is inserted as being fitting the lead-through space(15) formed at the pre-amp. A cover pre-amp(11) is formed with an inset hall at low surface of the body, is prepared for plural coupling appendix at a side of the body, and is coupled with the pre-amp in order to insert and pass the window pre-amp through the insert hall, thereby protruding therefrom.
Patent KR-20000075443-A (KR)
Title: 강제 최단 경로 루팅 방법
IPC: H04Q11/04
Filed: 1999-12-21
Abstract: 각각의 국면에서 디지크스트라(Dijkstra)의 알고리즘을 채택하는 예시적인 두-국면(phase) 알고리즘을 사용하여, PNNI 프로토콜 네트워크와 같은 고속 데이터 네트워크의 노드들 사이의 수용 가능한 지연 강제(constraint)하는 루팅에 대한 실시간 방법이다. 예시적인 제 1 국면에서, 디지크스트라 SPF 알고리즘은 목적지로부터 소스까지 최단 누적 지연을 찾는데 사용되고, 그리하여, 노드(j)로부터 목적지 노드(k)까지 누적 지연 레이블들을 생성한다. 그후, 지연은 제 2 국면에서 채택되고, 여기서 디지크스트라 SPF 알고리즘은 제 1 국면에서 얻어진 결과에 따라 변경되는 링크 매트릭으로서 관리 가중(administrative weight)(AW)을 결정하기 위해 예시적으로 채택된다.
Patent KR-20010057954-A (KR)
Inventor: JUNG HUI DON
IPC: G01N3/54
Filed: 1999-12-23
Abstract: PURPOSE: A creep testing device for a workpiece formed with a welded portion is provided to obtain a large volume of data for various different materials, small-sized materials, or local parts of a material by a single test in a short time by using a testing piece manufactured with a small size. CONSTITUTION: A creep testing device for a workpiece formed with a welded portion includes upper and lower fixing dies(1,2) formed with a through hole in the center and fixing a workpiece in the center, a load transmission die(3) inserted into the through hole of the upper fixing die to transmit a load to the workpiece, a displacement measuring die(8) inserted in the through hole of the lower fixing die to be displaced by the deformation of the workpiece, a pressing element(30) for applying a load from an upper part of the load transmission die, a strain gauge(9) mounted below the displacement measuring die for measuring the displacement of the displacement measuring die, and a heating furnace(18) formed with a plurality of through holes at to and bottom surfaces correspondingly to each other to be inserted by the upper and lower fixing dies, wherein the upper and lower fixing dies are received in the heating furnace in such a manner that an upper part of the upper fixing die is exposed to the top surface and a lower part of the lower fixing die is exposed to the bottom surface.
Patent KR-20010064137-A (KR)
Inventor: CHOI SEUNG GEOL
IPC: G06T17/05
Filed: 1999-12-24
Abstract: PURPOSE: A 3D geographic information system and method for operating the same are provided to create, edit, store, and visualize a 3D geographic object by using a XML. CONSTITUTION: A 3D geographic feature authoring tool(110) creates, edits, and stores a DTD for VGFF. A DTD for VGFF file(120) is newly created, edited and stored by the 3D geographic feature authoring tool(110). A 3D geographic object authoring tool(130) creates, edits and stores a 3D geographic object adapted to the DTD for VGFF file(120). A VGFF file(140) is created, edited and stored by the 3D geographic object authoring tool(130). A 3D geographic object browser(150) visualizes the three dimension geographic object by reading the DTD for VGFF file(120) and the VGFF file(140).
Patent KR-20010065468-A (KR)
Inventor: SON YOUNG SUK
IPC: G07F11/00
Filed: 1999-12-29
Abstract: PURPOSE: A fire extinguisher vending machine is provided for enabling consumers to buy various kinds of fire extinguishers conveniently around one's home or stores, etc. CONSTITUTION: The vending machine consists of: i) a main body(7) equipped with fire extinguishers, an advertisement board(5), a selection button(1) and a slot(2) for coins, paper money or a card; ii) a sorter discriminating the forgery of coins, paper money or a card; iii) a fire extinguisher receiving chamber covering the fire extinguishers with a case for classifying the fire extinguishers by partitions; and iv) a withdrawing device for moving operation plates placed under the partitions and dropping the selected fire extinguisher.
Patent KR-20010029443-A (KR)
Inventor: KANG BYONG NAM
IPC: B62M3/02
Filed: 1999-12-30
Abstract: PURPOSE: A variable pedal drive device of a bicycle is provided to maximize traveling energy with the minimum drive energy and to minimize fatigue upon a drive on the slope or a long distance drive by the variable structure that the rotation radius of a pedal is extended from a pedal shaft. CONSTITUTION: A chain sprocket(29) is installed on a pedal shaft(7) and connected with a rear wheel by a chain to convert the rotational force of a pedal to traveling energy. The pedal for rotating the chain sprocket is extended and varied from the pedal shaft. As the rotational force of a drive bar(15) is intensively transmitted to the pedal shaft, the traveling energy is maximized. The rotation radius between the pedal shaft and the pedal is maximally extended in a travel direction so that the energy is transmitted. The rotational force of the pedal is directly transmitted to the pedal shaft through a planar gear(11) by the rotation of the drive bar. Thus, the effect of maximizing the traveling energy is promoted.
Patent KR-20010059014-A (KR)
Inventor: KIM YUN NAM
IPC: H01L27/108
Filed: 1999-12-30
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to reduce a contact resistance by increasing a contact area between a landing plug and a charge storage electrode. CONSTITUTION: A gate electrode(12) is formed on a semiconductor substrate(10). An interlayer dielectric(15) is formed on the whole structure. A contact hole is formed by patterning the interlayer dielectric(15). A polysilicon layer is formed on the whole structure. A landing plug poly is formed within the contact hole by etching the polysilicon layer. An etching barrier is formed on the whole structure. A cap oxide layer is formed on the etching barrier. A contact hole for exposing the landing plug poly is formed by performing an etching process from the cap oxide layer to the nitride layer. A polysilicon layer(25) for charge storage electrode is formed on the whole structure. A charge storage electrode is formed by removing the polysilicon layer(25) from an upper portion of the cap oxide layer.
Patent KR-20010059114-A (KR)
Inventor: KIM SANG YEON
IPC: G06T9/00
Filed: 1999-12-30
Abstract: PURPOSE: A method for compressing an image data generated from an image sensor is provided to enhance a compressing ratio by compressing an image data generated from an image sensor using a correlation between pixel array lines. CONSTITUTION: R,G,B color values are extracted from an image data. A vertical differential vale between R/G/B color values of previous line and R/G/B color values of present line is calculated. A share color value is calculated by dividing the vertical differential value with a predetermined loss value. A horizontal differential value between the share color value of the previous line and the share color value of the present line is calculated. The horizontal differential value is coded.
Patent KR-20010059389-A (KR)
Inventor: YOO SEONG HO
IPC: F02B39/14
Filed: 1999-12-30
Abstract: PURPOSE: A leaked oil treatment system of a turbocharger is provided to prevent input of oil to a cylinder of an engine through eliminating the oil from a compressor housing, and to alarm a driver in case of the leaked oil amount over a specific amount. CONSTITUTION: By starting an engine, hydraulic pressure is formed in a main gallery for closing a valve mechanism(E) under an oil storing instrument(D). Oil inputted to a compressor housing(24) is flowing along a housing wall surface according to air pushed to an outer surface of the housing by rotation of a compressor(18). Then, the oil is discharged through an oil discharge pipe(C) for being stored in the oil storing instrument. In case of a small mount of oil, the valve mechanism of the oil storing instrument is opened for collecting the oil in an oil pan. In case of a large amount of oil, a height of a float(60) is elevated for contacting with a storing container(42). Then, a contact point is turned on. An alarming lamp is turned on for an ECU(Electronic Control Unit) to detect an abnormal state and to reduce engine RPM(Revolutions Per Minute).
Patent KR-20010103139-A (KR)
Title: 고로용 장입물의 장입시스템
Inventor: CHO JIN SU
Filed: 1999-12-30
Abstract: 본 발명은 고로조업시 광석 장입중 광석 유량 조절변의 정밀한 제어를 실시하여 각 낙하궤적별 경도 각도에 조업자가 장입하고자 하는 광석의 양을 필요한 만큼 조작하고 원하는 시간내에 장입하여 과학적이고 정밀한 조업으로 노황안정을 이루고자 하는 시스템에 관한 것으로, 시스템은 운전자가 설정한 선회슈트 회전수와 장입할 광석량, 광석 유량 조절변의 정개도 오픈개도 검색, 광석 무게 검출 장치의 안정된 데이터를 인출하기 위한 보정을 실시하여, 장입 진행 방법과 추이를 판단, 연산하기 위한 제1단계와, 장입이 개시되면 초당 광석의 장입량을 검출하여 변화추이를 제1단계에서 산출된 데이터와 비교 검색하여 광석 유량 조절변의 보정값을 산출하여 보정방법을 판단하는 제2단계와, 제2단계의 보정값에 비례한 광석 유량 조절변의 보정 각도를 환산하고 동작제어신호로 변화시켜 광석 유량 조절변의 동작을 제어하는 제3단계와, 광석 유량 조절변의 개도 보정이 반복되어 발생할 수 있는 광석 유량 조절변의 제어편차를 산출하여 차기 광석유량 조절변의 보정에 응용하여 제어편차를 없애기 위해 연산 및 판단을 실시하는 제4단계로 이루어진 것을 특징으로 한다.
Patent KR-20010059648-A (KR)
Inventor: NOH YEONG CHEOL
IPC: H04B1/10
Filed: 1999-12-30
Abstract: PURPOSE: A digital IF(Intermediate Frequency) receiver is provided to digitalize a base station receiver in an IF system of a CDMA receiver. CONSTITUTION: A sampling part(110) samples an analog signal of an IF band to a digital signal. A digital signal process part(120) multiplies a sine function to a cosine function in response to the sampled digital signal, and thereby outputs digital signals(I,Q) of a base band. A filtering part(130) removes image data of the sampling part(110) from the digital signals(I,Q) applied from the digital signal process part(120). The digital signal process part(120) includes multipliers(121,122) for multiplying the sine function to the cosine function, and a digital sinusoidal oscillator(123) for generating the digital signals(I,Q). The filtering part(130) includes low pass filters(131,132) and an input output formatter(133).
Patent KR-20010066435-A (KR)
Title: Cordless telephone of rod type
Inventor: PARK BEOM SU
IPC: H04B1/38
Filed: 1999-12-31
Abstract: PURPOSE: A rod-type wireless terminal is provided to offer a rod-type wireless terminal which is convenient to hold and free from the risk of falling out of a user's hand. CONSTITUTION: A rod-type wireless terminal(100) is comprised of a housing(110), rings(170), a band(180), a top/bottom change detection part, the first voice input/output part(140), the second voice input/output part(150), and a control part. The housing(110) has a plurality of protruded bosses(190) to prevent the terminal(100) from being slipped out of a user's hand. The rings(170) are installed at the upper and lower parts of the housing(110). The band(180), of which both ends are fixed by the rings(170), encloses the back of the user's hand when he grasps the housing(110). The top/bottom change detection part outputs a top/bottom change detection signal according to a location of the housing(110). The first voice input/output part(140) executes the function of either voice input or voice output according to the control of the control part. The second voice input/output part(150) executes the opposite function of the first voice input/output part(140) in response to a function selection signal outputted from the control part. The control part detects the top and bottom locations of the housing in response to the top/bottom change detection signal outputted from the top/bottom change detection part and, based on this, outputs the function selection signal to the first and second voice input/output parts(140,150).
Patent KR-20010029476-A (KR)
Title: 생체내 철 함량의 감소 방법 및 이에 유용한 조성물
IPC: A61P9/04
Filed: 1997-08-28
Abstract: 본 발명에 따라, 포유류 개체의 유리 철 이온 함량의 생체내 감소 방법이 제공된다.  본 발명은 스캐빈징 접근법을 이용함으로써 유리 철 이온을 생리적으로 허용가능한 적합한 스캐빈저와 생체내 결합시킨다.  생성된 착체는 유리 철 이온이 무해하도록 하며, 궁극적으로는 숙주의 요로 배설된다.  또한, 본 발명에 따라, 상기에 기술한 방법을 수행하기에 유용한 조성물 및 제형이 제공된다.  본 발명의 실시에서 사용하기 위해 심사숙고된 예시적인 스캐빈저는 디티오카르바메이트 함유 조성물이다.  이 물질은 유리 철 이온과 결합하여, 안정한 수용성 디티오카르바메이트 이온 착체를 형성한다.  따라서, 본 발명은 지중해 빈혈, 빈혈, 유전 혈색소증, 혈액투석, 발작 및 유류마티스 관절염과 같은 철 과부하 및 비 철 과부하 질병 및(또는) 상태에 있는 개체의 치료 수단으로서의 생체내 유리 철 이온 함량의 감소 방법에 관한 것이다.  디티오카르바메이트 함유 스캐빈저를 그러한 치료를 필요로 하는 숙주에게 투여하고; 이들 스캐빈저는 유리 철 이온과 생체내에서 상호 작용함으로써, 안정한 디티오카르바메이트-금속 착체를 형성한 다음, 이것을 신장을 통해 여과하여 요로 농축시키고, 최종적으로는 개체가 배설하여, 유리 철 이온의 생체내 함량을 감소시킨다.
Patent KR-20000068745-A (KR)
IPC: A23K1/16
Filed: 1998-08-04
Abstract: 본 발명은 코프라 가루내 만난 전체 또는 일부를 만노스로 분해시킨 것을 특징으로 하는 만노스-함유 코프라 가루, 상기 코프라 가루의 제조방법, 및 상기 코프라 가루를 함유하는 만노스-함유 사료에 관한 것이다.
Patent KR-20010013567-A (KR)
Inventor: MAIENFISCH PETER
IPC: C07D277/32
Filed: 1998-06-05
Abstract: The invention relates to a method for producing compounds of formula (I), wherein R 1 = hydrogen or C 1 -C 4 -alkyl; R 2 = hydrogen, C 1 -C 6 -alkyl, C 3 -C 6 -cycloalkyl or a CH 2 -B radical; A = an unsubstituted or mono or penta-substituted aromatic or non-aromatic monocyclic or bicyclic or heterocyclic radical and B = phenyl, 3-pyridyl or thiazolyl which are optionally substituted by one to three substituents, by hydrolyzing a compound of formula (II), wherein R 1, R 2 and A have the same meaning as in formula (I) and R 3 stands for an unsubstituted or substituted C 1 -C 10 -alkyl, C 3 -C 6 -cycloalkyl, phenyl or benzyl. The invention is characterized in that the reaction is carried out at a pH value ranging from 7 to 14. The invention further relates to starting materials to implement said method. The compounds of formula (I) are suitable as intermediate products for the production of pesticide mixtures.
Patent KR-20000024013-A (KR)
Inventor: KIM HO WOOK
IPC: G06F17/30
Filed: 2000-01-10
Abstract: PURPOSE: A method for publishing books ordered on the internet is provided to give benefits to publishers for informing readers of their typescripts as well as to provide readers with the information promptly by publish meant. CONSTITUTION: A typescript supplier sends typescripts to a publishing company based upon internet order and signs the contract after selecting a format, a design, color and cover image those are prepared before hand. The publishing company based upon internet order sorts the typescripts depending on fields, prepare serial numbers and stores the information at a sever. And then, the publishing company notices the title, the supplier name and the abstract at an information room on the internet. A demander can get the information the demander wants by using the searching function on the homepage of a publishing company. If finding the books the demander wants to buy, the demander fills out the application form for order. Unless finding the books, the demander can leave the message for requesting books. The publishing company based on internet order edits the information from the demander and then sends out the books promptly through the cooperation with typescript suppliers.
Patent KR-20000076455-A (KR)
IPC: B23B31/30
Filed: 2000-01-11
Abstract: 본 발명은, 풀 바(6)를 이동 조절하는 역할을 하는 피스톤(13), 하우징 덮개(12) 및 하우징 덮개(12)에 대해 이동 가능한 하우징(11)을 구비하고 있으며, 작업 스핀들(5) 내에서 안내되고 풀 바(6)에 의해 작업 스핀들(5)의 축방향으로 이동될 수 있는 고정 헤드(4)를 작동시키기 위한 이완 유닛에 관한 것이다. 하우징에는 쇄정 요소(10)가 배치되어 있고 그 쇄정 요소는 유극을 가진 채 작업 스핀들(5)과 연결된 결합 링(7)의 수납부(8) 내에 삽입될 수 있고, 피스톤(13)은 하우징 덮개(12)에 접촉하게 되는 제 1 정지면(17) 및 하우징(11)에 대한 충돌부(정지부) 역할을 하는 제 2 정지면(18)을 갖고 있다. 제 1 정지면(17)과 제 2 정지면(18) 사이의 거리는, 하우징 덮개(12)가 접하고 하우징(11)이 접할 때에 쇄정 요소(10)는 수납부(8) 내에서 중간 위치를 취하도록, 그 크기가 정해져 있다.
Patent KR-20000018167-A (KR)
Inventor: KIM WON DAE
IPC: B32B5/06
Filed: 2000-01-15
Abstract: PURPOSE: A manufacturing method of water permeable road paving materials and waste synthetic fiber laminated substrate element is provided to previously prevent the water permeable road paving materials from exfoliating caused by the vapor percolation risen from the lower layer of the water permeable road paving materials. CONSTITUTION: A laminated substrate material for the water permeable road pavement using a waste synthetic fiber is manufactured by the steps of: cutting a waste synthetic fiber to a specific size; making felt by beating cotton; painting thermosetting resin; lowering the vapor content of the felt where the resin is painted; molding the felt by heating it; forming a water permeable slot(22) on the felt; cooling the felt where the water permeable slot is formed; and attaching rubber powder(24) to the water permeable slot.
Patent KR-20010080841-A (KR)
Title: Method for manufacturing semiconductor dram device
Inventor: SHIN YU CHEOL
IPC: H01L21/8242
Filed: 2000-01-17
Abstract: PURPOSE: A method for manufacturing semiconductor devices is provided to reduce the height between a gate electrode and a bitline by forming a bitline immediately after a bitline contact plug simultaneously formed with a bitline contact pad is formed. CONSTITUTION: The method forms a gate pattern(106) in a semiconductor substrate(100) in which a device isolation film is formed to define an active region(104). A source/drain region(108) is formed in the active region exposed at both sides of the gate pattern by means of an ion implantation process. A gate spacer(110) is formed at both sides of the gate pattern. Source/drain electrodes(112a,112b) connected to the drain electrode(112b) are formed on the drain electrode. A storage electrode connected to the source electrode is formed on the source electrode.
Patent KR-20010074321-A (KR)
Title: Exclude steel core track
Inventor: SONG IN HYUK
IPC: B62D55/07
Filed: 2000-01-22
Abstract: PURPOSE: A non core iron orbit provides an orbit without core iron, which is intimate with environment, to make post-management easy after finishing the life thereof. CONSTITUTION: An orbit(1) has a protrusion(8) formed outside of a base and is rotated with driving force of a sprocket by being mounted to be fixed to both sprocket and an idler(3). An idler slot is formed on the middle of the base(10). A helical gear(12) is formed successively on both sides of the idler slot and a guide roller slot guiding a guide roller(6), which prevents the release of a wheel, is formed thereon. The helical gear sprocket(20) generates driving force by being engaged with the helical gear(12). Therefore, a non core iron orbit makes post-management easy, reduces fuel, assures safety of a passenger and lengthens the life thereof.
Patent KR-20010076083-A (KR)
Title: Audio/Video Remote Control System and the Method
Inventor: JANG OK SANG
IPC: H04Q9/00
Filed: 2000-01-25
Abstract: PURPOSE: A remote control system for an acoustic/video apparatus and a method thereof are provided to stably operate the acoustic/video apparatus in case that a professional manager is absent in an event space by directly and remotely controlling a plurality of acoustic/video apparatuses installed in various event spaces. CONSTITUTION: A plurality of user side devices(100) have A/V operating units(130-150) for adjusting an acoustic, a video, and an illumination according to an inputted control signal, an operating panel(112), a user modem(110) connected with a communication line, and a controller(120) for controlling the A/V operating units(130-150) according to a control signal inputted from the operating panel(112) and a control signal inputted from the user modem(110). A manager side device(200) has a database unit(205) for storing reference data of the installing space and the peripheral environment of the user side devices(100), a main computer(210) for outputting the control signal for controlling the A/V operating units(130-150), and a manager modem(220) for outputting the control signal outputted from the main computer(210) to the communication line to transmit the control signal to the user modem(110).
Patent KR-20010076448-A (KR)
Title: The audio signal controlling method of digital television
Inventor: LIM SANG UK
IPC: H04N5/60
Filed: 2000-01-26
Abstract: PURPOSE: An automatic sound control device of digital TV and a method of the same are provided to control the optimum sound automatically in a system by detecting respectively digital TV viewer environment and broadcasting program contents information. CONSTITUTION: An information extracting unit(5) extracts EIT(event information table) information and STT(system time table) information from a TP(transport packet) stream received through a tuner and a VSB(vestigial side band) module(2), and extracts a feature of an audio stream of program received currently and information prescribing current time of an STT. A user environment detecting unit detects a using environment of a digital TV user. A sound information control unit(7) compares the data from the user environment detecting unit, the information extracting unit(5) and a sound sensor unit(6) with sound information recorded currently in a system, and controls an optimum sound to transmit to an audio DAC(digital analog convertor) unit(8).
Patent KR-20000071300-A (KR)
Title: 압전 세라믹 조성물 및 이것을 이용한 압전 세라믹 소자
IPC: H03H9/00
Filed: 2000-01-27
Abstract: 본 발명의 무연(無鉛; lead-free) 압전 세라믹 조성물은 화학식 (Sr 1-X M1 X )Bi 2 (Nb 1-y W y ) 2 O 9 (단, M1은 Sr을 제외한 2가 금속과 Bi를 제외한 3가 금속 중의 하나이며, 0〈 x ≤0.3이고 0〈 y ≤0.3이다)로 표현되는 주성분으로 구성된다.  예를 들어 상술한 2가 금속과 3가 금속으로는 Ca, Ba, Mg, La, Ce, Pr, Nd, Sm, Gd, Dy, Er, Yb, Sc, 및 Y가 포함된다.  상술한 압전 세라믹 조성물은 1,100℃ 이하의 상대적으로 낮은 온도에서 소결될 수 있고, 실용적인 수준의 전기기계 결합계수 kt를 갖는다.  또한, 상술한 세라믹 조성물은 압전 세라믹 필터, 압전 세라믹 발진자(oscillators), 및 압전 세라믹 진동자(vibrators)에 사용될 수 있다.
Patent KR-20010077072-A (KR)
Title: Carbapenem derivatives having imidazoline moiety
Inventor: CHO JEONG HYEOK
IPC: C07D477/20
Filed: 2000-01-31
Abstract: PURPOSE: Provided are novel 1-β-methylcarbapenem derivatives substituted by pyrrolidine containing imidazoline ring which are strong antibiotics against resistant bacteria. CONSTITUTION: The compound is represented by chemical formula 1, where R is C1-6 low alkyl, aryl and benzyl group which are substituted by one or more groups from hydrogen, hydroxy, amine, sulfonyl and aminosulfonyl group. The process of preparing the compound consists of: converting diazoazetidione compound, chemical formula 2, to two ring keto ester under rhodium acetate catalyst and reacting at 0-5deg.C with diphenylchlorophosphate under base such as diisopropylethylamine; reacting the resultant with thiol derivative of chemical formula 3, and eliminating allyl group from the product by reacting with tributyltinhydride under tetrakisphosphine palladium(0) catalyst at room temp. for 2 hours. After reactions, distilled water is added to extract the water layer and it is freeze dried to get the final compound.