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논문 기본 정보

자료유형
학술저널
저자정보
Kang, Chang-Kyun (College of Pharmacy, Chungbuk National University) Lee, Soo-Jae (College of Pharmacy, Chungbuk National University) Kim, Yang-Bae (College of Pharmacy, Seoul National University) Lee, Hyeong-Kyu (Korea Research Institute of Bioscience and Biotechnology) Jeong, Eun-Ju (Korea Institute of Toxicology) Park, Il-Yeong (College of Pharmacy, Chungbuk National University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제2호
발행연도
2008.1
수록면
259 - 263 (5page)

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초록· 키워드

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The three-dimensional structure of a natural product, tuguaconitine $(C_{23}H_{35}NO_7)$ from Aconitum sibiricum was determined by single crystal X-ray diffraction analysis. The compound was recrystallized from a methanol solution into orthorhombic crystal system, with a=18.093(4), b=12.075(11), c=9.824(4)${{\AA}},\;D_m\;=\;1.35,\;D_x\;=\;1.354\;g/cm^3$, space group $P2_12_12_1$, and Z=4. The structure was solved by direct method and refined by least-squares procedure to the final R value of 0.046 for 1495 observed reflections with $I{\geq}2{\sigma}(I)$. Aconitines are diterpene alkaloid composed of six rings.In the molecule, two 6-membered rings have stable chair conformation, but other two 6-membered rings have unstable boat conformation because of their bonding strain and hydrogen bonds. Based on the three-dimensional structure of tuguaconitine, we suggest another 2D-diagram for the compound which is far better in imagination of the spatial shape of the molecule than the ordinary one.

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