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제어기 공용화를 위한 LED 헤드램프 제어용 플랫폼 통합제어기 개발
박충섭(Choongseob Park),박동서(Dongseo Park),이은정(Eunjung Lee),김대현(Daehyun Kim),손유진(Yoojin Son),최윤석(Yunsuk Choi4),박상현(Sanghyun Park),문주환(Juwhan Moon),노태선(Taesun Rho),강소정(Sojeong Kang),이동주(Dongju Lee),김영수(You 한국자동차공학회 2018 한국자동차공학회 부문종합 학술대회 Vol.2018 No.6
For the LED front lamp system, Universal Controller is gradually getting expanded in the world. For corresponding the technical trend and system optimization, we have approached in terms of vehicle level as well as LED load level. By understanding lamp system architecture and hardware functional distribution, we could make discrete LDMs into Universal LDM based on CAN communication. It enables us to control LED lamp very flexible and scalable with regardless of lamp variation depend on regional and specified option. Additionally, it is very compatible with future technologies such as pixel and matrix control in connection with autonomous driving.
A Convenient Allylation of 1,n-Dicarbonyl Compounds Using Organoindium Reagents
이필호,동서문,이구연,Lee, Pil Ho,DongSeo, Mun,Lee, Gu Yeon Korean Chemical Society 2001 Bulletin of the Korean Chemical Society Vol.22 No.12
The chemoselective reactions of 1,n-dicarbonyl compounds with allyl halides using indium metal were investigated. $\alpha-Ketoesters$ such as ethyl pyruvate, ethyl 3-methyl-2-oxobutyrate and ethyl benzoylformate reacted with a variety of allyl halides i n the presence of indium to afford hydroxy unsaturated carbonyl compounds in good to excellent yields in MeOH/HCl at $25^{\circ}C.$ For the allyl bromide, the presence of various substituents at the $\alpha$ or $\gamma$ position exhibited little effects on both the reaction rates and yields. Ethyl acetoacetate or ethyl levulinate was treated with allylindium reagent to give hydroxy unsaturated carbonyl compounds in good yield. These results mean that both reactivity and selectivity are independent of the distance between carbonyl groups. 2,3-Butanedione or 1-phenyl-1,2-propanedione reacted with allylindium to produce monoallylation product as major compound.