• 제목/요약/키워드: Tetrahydrofuran-2-yl derivatives

검색결과 2건 처리시간 0.019초

생물학적 자극 통제 수단으로 활용하기 위한 돼지 페로몬성 냄새 물질의 탐색: Ligand Based Approach에 의한 돼지 페로몬성 Tetrahydrofuran-2-yl 계 화합물의 예측 (The Search of Pig Pheromonal Odorants for Biostimulation Control System Technologies: Prediction of Pig Pheromonal Tetrahydrofuran-2-yl Family Compounds by Means of Ligand Based Approach)

  • 성민규;조윤기;박창식;성낙도
    • Reproductive and Developmental Biology
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    • 제32권3호
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    • pp.141-146
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    • 2008
  • 돼지 페르몬성 냄새 물질을 탐색하기 위하여 tetrahydrofuran-2-yl 계 화합물들과 관측된 결합 친화력상수(Obs.p$[Od]_{50}$) 사이의 정량적인 구조-활성관계(QSAR)로부터 4개 형태의 모델(2D-QSAR, HQSR, CoMFA 및 CoMSIA)들이 유도되었다. Ligand based approache로부터 최적화된 CoMFA 모델(예측성; $r^{2}_{cv.}(q^2)$=0.886 및 상관성: $r^{2}_{ncv.}$=0.984)이 가장 좋은 모델이었다. CoMFA 모델로부터 돼지 페르몬성 냄새 물질로 예측된 $N^{1}$-allyl-$N^{2}$-(tetrahydrofuran-2-yl)methyl) oxalamide (P1), 2- (4-trimethylammoniummethylcyclohexyloxy)tetrahydrofurane (P5) 및 2- (3-trimethylammonium-methylcyclohexyloxy)tetrahydrofurane (P6) 분자들은 비교적 높은 결합 친화력 상수값(Pred.p$[Od]_{50}=8{\sim}10$)과 몇 가지 독성에 대하여 낮은 독성간을 나타내었다.

백선피의 성분 Fraxinellone의 백금산 촉매에 의한 환원물질의 구조 (Structures of Fraxinellone Derivatives by Hydrogenation with $PtO_2$ in HOAc)

  • 김주선;강삼식
    • 생약학회지
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    • 제44권1호
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    • pp.6-9
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    • 2013
  • Two fraxinellone-based hydrogenated derivatives were prepared from fraxinellone, a well-known degraded limonin, via catalytic hydrogenation in the presence of $PtO_2$ in HOAc. Their structures were confirmed as (3S,3aR,3'R)-3a,7-dimethyl-3-(tetrahydrofuran-3-yl)-3a,4,5,6-tetrahydroisobenzofuran-1(3H)-one and (3S,3aR,2'R)-3-((R)-1-hydroxybutan-2-yl)-3a,7-dimethyl-3a,4,5,6-tetrahydroisobenzofuran-1(3H)-one on the basis of 2D NMR assignments. The $^{13}C$ NMR assignments of two quaternary carbons in the ${\alpha}$,${\beta}$-unsaturated carbonyl moiety of ${\gamma}$-butyrolactone core of fraxinellone should be revised.