http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김병소(Byung-So Kim) 한국산업융합학회 2003 한국산업융합학회 논문집 Vol.6 No.2
Oxindoles(6a-g) are obtained by rhodium(Ⅱ)-catalyzed Wolff rearrangement of diazoquinolinediones in moderate yields. Treatment of 6a-g oxindole derivatives reacted with CAN in acetonitrile at room temperature to gave 7a-g isatins in good yields. The structures of these compound were identified by MP, IR and NMR-spectra.
Ag<sub>2</sub>CO<sub>3</sub>/Celite를 이용한 3,4-다이하이드로-2H-피란 유도체들의 합성
김병소 ( Byung-so Kim ) 한국산업융합학회 2006 한국산업융합학회 논문집 Vol.9 No.4
An efficient synthesis of 3,4-dihydro-2H-pyrans is achieved by Ag<sub>2</sub>CO<sub>3</sub>/celite mediated reaction of 1,3- dicarbonyl compounds with vinyl ether in moderate yields. This method has been applied to the synthesis of 3,4-dihydro-2H-pyranochromens and 3,4-dihydro-2H-benzochromen. 3,4-Dihydro-2H-pyranochromens were easily converted to 4H-pyranochromens by elimination of ethoxy group. The structures of these compound were identified by IR and <sup>1</sup>H NMR-Spectra.
Cerium(IV) Ammonium Nitrate를 이용한 Spiroannulated 다이하이드로퓨란 화합물의 합성
김병소(Byung-SO Kim) 한국산업융합학회 2002 한국산업융합학회 논문집 Vol.5 No.4
An efficient synthesis of spiroannulated dihydrofurans is achieved from 1,3-dicarbonyl compounds and exocyclic alkenes in the presence of cerium ammonium nitrate(IV) in moderate yields. In the case of entries 3-9, as a single product was seen. Especially, reaction of 15 with methylenecyclohexane afforded the two regioisomeric cyclo adducts 21 and 22. The structures of these adducts were confirmed by IR and NMR-Spectra.
Effcient Synthesis of Dihydrofuranonaphthoquinones and Furanonaphthoquinones
Kim, Byung-So 영남이공대학 2003 論文集 Vol.32 No.-
세륨(Ⅳ) 금속화합물을 이용하여 2-hydroxy-1,4-naphthoquinone(1)과 vinyl sulfide (2-7)를 아세토니트릴 및 THF 용매 중에서 반응하여 해당하는 중간 및 거대 고리를 가진 다이하드로퓨라 노납소퀴논 화합물들을 합성하였다. 이 화합물들을 dichloromethane 용매 하에서 mCPBA를 사용하여 설폭사이드로 만든 후 sin-제거반응을 시켜 퓨라노납소퀴논 화합물들을 합성하였다. 모든 생성물들은 IR, NMR 및 HRMS에 의하여 확인되었다.
단신 : 산화첨가반응의 수득률에 미치는 용매효과에 관한 이론적 연구
이철재 ( Chul Jae Lee ),김병소 ( Byung So Kim ) 한국공업화학회 2010 공업화학 Vol.21 No.5
본 연구에서는 1,3-dicarbonyl 화합물과 올레핀 화합물의 산화첨가반응에서 Ag2CO3/celite (SC)를 촉매로 하여 1,3-cycleohexandion (1,3-CHD)과 ethyl vinyl ether (EVE)를 acetonitrile (AN), dimethyl sulfoxide (DMSO), benzene (BZ), heptane (HT)을 각각 용매로 하여 반응을 진행시켜 보았다. 그 결과 수득률이 78, 40, 15, 10%로 나타났다. 따라서 이러한 용매의 효과에 따른 수득률의 변화를 알아보기 위하여 하이퍼캠의 반경험적 방법으로 PM3와 ZINDO/1 파라미터를 이용하여 이론적 고찰을 해 보았다. In present work, oxidative addition reaction of 1,3-cycleohexandion (1,3-CHD) with ethyl vinyl ether (EVE) was attempted utilizing Ag2CO3/celite (SC) reagent. In order to optimize reaction conditions, we surveyed several solvents for the production of dihydrofuran with the (SC) system. The yield of the acetonitrile (AN), dimethyl sulfoxide (DMSO), benzene (BZ), and heptane (HT) are given 78, 40, 15, and 10%, respectively. Therefore, we studied the solvent effects on yields by using PM3 and ZINDO/1 parameter of semi-empirical method of HyperChem7.0 molecular modeling program.
서명포 ( Myung-po Seo ),김병소 ( Byung-so Kim ) 한국산업융합학회 2006 한국산업융합학회 논문집 Vol.9 No.2
This study provides the optimal conditions treating with the coagulation process and the other chemical treatment processes for dyeing wastewater, especially various dyeing complex wastewater. The results are shown as follows: 1. Optimum reaction condition of pH for ferrous sulfate was the range of 9 to 12. And when 3,000ppm(㎎/l) of ferrous sulfate was dosed, the maximum COD<sub>M</sub>n removal rate was approximately 40%. 2. In case of ferrous chloride and Bittern as coagulants, optimum pH range was 10 to 11. And maximum COD<sub>M</sub>n removal rate was approximately 46% to 50% for dose of 2,000ppm(㎎/l) to 6,000 ppm. 3. It is confirmed that the activated sludge process following coagulation precipitation method provides better treatment efficiency than the coagulation precipitation method following the activated sludge process. 4. The purpose of this study was to produce CGF (Cyanoguanidineformaldehyde resin) by organic compounds. 5. The complex coagulation agent by this study is the most economical coagulant with Alum(aluminum sulfate) and the removal efficiency is approximately 54% with 1,000ppm(㎎/l) of pH range 6 to 7.
천연복합물(상황버섯, 감초, 병풀)의 항산화 및 세포독성에 관한 연구
김영훈 ( Young Hun Kim ),이창언 ( Chang Eon Lee ),김병소 ( Byung So Kim ) 한국미용학회 2011 한국미용학회지 Vol.17 No.3
The aim of the study was to assess the anti-oxidant activity and cell proliferation of herb complex (Phellinus linteus, Glycyrrhiza uralensis Fischer and Centella asiatica) and it is possible that can be used as a cosmetic ingredient for application of cosmetic industries. The anti-oxidant activity was determined by using DPPH radical inhibition activity, superoxide dismutase (SOD)-like activity, ABTS radical inhibition activity, hydrogen peroxide inhibition activity. In the antioxidant activities, DPPH radical inhibition activity test of herb complex showed over 80% at 100 ppm concentration and similar to BHA as a positive control at over 50 ppm. The result of SOD-like activity showed 65% at 500 ppm concentration. In the test of ABTS radical inhibition activity, herb complex showed over 80% at 50 ppm concentration. The results of cell viability assay showed that the extracts from herb complex were not cytotoxic at concentration below 1,000 ppm. Hydrogen peroxide inhibition activity of herb complex was 60% at 100 ppm concentration. It was higher then that of ascorbic acid. In this study, anti-oxidant activity and cell proliferation of herb complex were confirmed to investigate for utilization as a cosmetic ingredients.