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RISS 인기검색어
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- 저자 : 채규윤 (검색결과 146 건)
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4,4-Difluoro-3-phenyl-4,5,6-trihydro-1,2-oxazine의 합성에 관한 연구
채규윤 圓光大學校 基礎自然科學硏究所 1997 基礎科學硏究誌 Vol.16 No.1
4,4-Difluoro-3-phenyl-4,5,6-trihydro-1,2-oxazine (7) and 4,4-difluoro-3-phenyl-6-trimethylsilyl-4,5,6-trkmydro-1,2-oxazine(8) were synthesized from 2,2-difluoro-1-phenyl-5-trimethylsiyl 4-iodo-1-butanone(5) in mild londition.
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(CrCl₃.6H₂O/Fe) bimetal system을 이용하여 α-halo-α,α-difluoroketone으로부터 α-Bisdifluoromethylene alcohol 합성
채규윤 圓光大學校大學院 1997 論文集 Vol.19 No.-
Fe powder와 CrCl3·6H2O 존재하에서 α-bromo-α-iodo-α, α-difluorophenyl ketone으로부터 α-bisdifluoromethylene alcohol을 합성하였다.
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2-Ethylcarbonyl-4,4-difluoro-1-methyl-5-phenylpyrolidine 합성 연구
채규윤 圓光大學校大學院 1997 論文集 Vol.19 No.-
γ-Iodo-α, α-difluorophenyl ketone(3)으로부터 difluromethylene기를 가지고 있는 2-ethoxycarbonyl-4,4-diflu.oro-1-methyl-5-phenylpyrrolidme(2)을 효율적으로 합성하였다.
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N, 3-Diphenyl-4,4-difluoro-5-benzyl-4,5-difluoropyrazole의 합성에 관한 연구
채규윤 圓光大學校 基礎自然科學硏究所 1997 基礎科學硏究誌 Vol.16 No.1
N-3-Diphenyl-4,4-difluoro-5benzyl-4,5-difluoropyrazole(4) was sythesized from the reaction of 3-hydraxy-1,4-diphenyl-1-butanone and phenylhydrazine.
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Ethyl-4-fluoro-5-phenylpyrrole-2-carboxylate 유도체의 효율적인 합성법
채규윤 圓光大學校 基礎自然科學硏究所 1997 基礎科學硏究誌 Vol.16 No.1
Ethyl-4-fluoro-1-methyl-5-phenylpyrrole-2-carboxylate was synthesized in high yield by the reaction of α,α-difluoro-γ-iodomethylketone and methyl amine. providing: a new: simple, and efficient method for the syntheis of Ethyl-4-fluoro-1-methyl-5-phenylpyrrole-2-carboxylate
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채규윤 圓光大學校 基礎自然科學硏究所 1997 基礎科學硏究誌 Vol.16 No.1
β-Fluoropyrrole derivatives were synthesized by the reaction ethyl-5-phenyl-2-iodo-5-oxobutanoate with excess ammonium hydroxide.
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β-Difluoro-α-trimethylsilyl-γ-lactam 유도체의 합성
채규윤,곽경철,문재정,최장호 圓光大學校 基礎自然科學硏究所 2000 基礎科學硏究誌 Vol.18 No.1
α-위치만 선택적으로 difluoromethylene기가 도입된 α.α-difluoro-γ-trimethylsilyl-γ-lactam 유도체(6)들은 ethyl α.α-difluoro-γ-trimethylsilyl-γ-iodopentanoate(4)는 일차아민 유도체와의 반응으로부터 비교적 편리한 작용조건과 비교적 좋은 수득률로 합성하였다. The target of α.α-difluoro-γ-trimethylsilyl-γ-lactam derivatives(6) with selectively in corporated difluoromethylene on α-position were readily prepared form reaction ethyl α.α-difluoro-γ-trimethylsilyl-γ-iodopentanoate(4) and primary derivatives in moderate yields.
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3-Perfluoroalkyl-1-propene의 합성
채규윤 圓光大學校 基礎自然科學硏究所 1997 基礎科學硏究誌 Vol.16 No.1
3-Perfluoroalkyl-1-propene were prepared easily by the reaction perfluoroalkyl iodide with allytrimethylsilane in presmie catalystic amount(5 mole %) pd[p(ph_3)]_4.
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