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S-trifluoroacetoxy-trihalomethyl mercaptan의 형성에 관한 연구
오동영,김종호 대한약학회 1972 약학회지 Vol.16 No.2
S-Trifluoroacetoxy-trihalomethyl mercaptans were prepared by reacting metal salt of trihaloacetic acid with perhalomethyl mercaptans in the closed vessel. And besides, certain decomposed states of these products by heat and U.V. were studied by Infra red, N.M.R., molecular weight determination and chemical analysis methods. The results showed that the more fluorine substituted compounds were more stable than the less fluorine substituted ones.
오동영,Oh, Dong-Young 대한화학회 1969 대한화학회지 Vol.13 No.3
The experiment have been carried out for the determination of aggregation state of isopolytantalate anion in aqueous solution by using "Ultracentrifuge Method". The molecular weight of this anion at pH 10.7 could be determined as a heptatantalate anion $Ta_7O_{22}^{9-}$.
고주파유도가열 연소합성에 의한 치밀한 WSi<sub>2</sub>-20vol.%SiC 복합재료 제조 및 기계적 특성
오동영,김환철,이상권,손인진,Oh, Dong-Young,Kim, Hwan-Cheol,Lee, Sang-Kwon,Shon, In-Jin 한국분말야금학회 2005 한국분말재료학회지 (KPMI) Vol.12 No.1
Dense $WSi_2$-20vol.%SiC composite was synthesized by high-frequency induction-heated combustion synthesis(HFIHCS) method within 2 minutes in one step from elemental powder mixture of W, Si and C. Simultaneous combustion synthesis and densification were accomplished under the combined effects of an induced current and mechanical pressure. Highly dense $WSi_2$-20vol.%SiC with relative density of up to 97% was produced under simultaneous application of 60MPa pressure and the induced current. The average grain size of $WSi_2$ was about $5.2{\mu}m$. The hardness and fracture toughness values obtained were 1700kg/$mm^2$ and $4.4MPa{\cdot}m^{1/2}$, respectively.
오동영,O, Dong-Yeong 한국과학기술단체총연합회 1972 과학과 기술 Vol.5 No.2
이 농약은 kist의 농약합성실장 오 동영 박사가 연구 발표한 것으로 '71년 발명의 날 대통령상을 받은 바 있으며, 일부 농약회사에서 기업화를 검토중에 있다. -편집부 주-
오동영,김충렬,Dong Young Oh,Chung Ryeol Kim Korean Chemical Society 1983 대한화학회지 Vol.27 No.5
5-아릴-1,3,4-옥시티아졸-2-온을 트리에틸포스파이트와 반응시키면 탈황반응에 의해 벤조니트릴과 에틸포스포로티오에이트가 66~94% 수득율로 얻어졌다. 다른 3가의 인화합물 즉, 트리메틸포스파이트, 트리에틸포스핀, 그리고 트리페닐포스핀들과도 같은 탈황반응이 관찰되었다. 그러나 트리페닐포스파이트와는 전혀 반응하지 않았다. 5-아릴-1,3,4-디티아졸-2-온을 트리페닐포스핀과 반응시키면 티오아실 이소시아네이트가 얻어졌다. 이것은 에테르에서 자체적으로 분해되어 벤조니트릴로 변하게 되나 클로로포름에서는 안정하다. 이 두 반응에서 관찰되는 탈황반응은 인이 고리속으로 들어가 고리를 늘인후 분자내에서의 자리옮김 반응에 의해 일어나는 것이라 생각된다. 클로로포름에서 안정한 티오아실 이소시아네이트는 이민과 1,4-고리화 첨가반응을 일으켜 티아다이아지논을 생성하였다. The reactions of various 5-aryl-1,3,4-oxathiazol-2-ones with triethylphosphite resulted in the formation of the corresponding benzonitriles and ethylphosphorothioate by desulfurization reaction in 66∼94% yields. 5-(4-Nitrophenyl)-1,3,4-oxathiazol-2-one was also reacted with trimethylphosphite, triethylphosphine, and triphenylphosphine to give 4-nitrobenzonitrile. But it did not react with triphenylphosphate. The reactions of 5-(4-bromophenyl)-1,2,4-dithiazol-3-one with triphenylphosphine resulted in the formation of 4-bromothiobenzoyl isocyanate and triphenylphosphine thioxide. The thioacyl isocyanate was fragmented into nitrile in ether but was stable in chloroform. This desulfurization reaction observed in each reaction may proceed by the intramolecular rearrangement after insertion of the phosphorus compound into the ring. The stable thioacyl isocyanate in chloroform reacted with imine to give 1,3,5-thiadiazin-4-one via 1,4-cycloaddition reaction.